Friday, August 8, 2014

High Power High Q Multilayer Chip Ceramic Capacitor

Features
• Capacitance Range: 82pF to 10000pF
• High Q, Low ESR/ESL, low noise, high self‐resonance
• High RF Power, High reliability, Ultra Stable Performance
• Operating Voltages
• DC Voltage: 500Vdc to 7000Vdc
• RF Voltage: 250Vrms to 5000Vrms
• RF Current Rating 12A rms
Available with Encapsulation Option, Chip and Ribbon Lead Configurations
Applications:
• MRI Coils
• HF/RF Power Amplifiers, Plasma Chambers
• Antenna Tuning, High Power RF Transmitters
• Inductive Heating
• Semiconductor Equipment
Rated Voltage: 500V, 1000V, 1KV, 1500V, 2000V, 2KV, 2500V,3000V, 3KV, 3600V, 5000V, 5KV, 6000V, 6KV, 7000V, 7KV, 7200V
Rated Capacitance: 82pf, 91pf, 100pf, 110pf, 120pf, 130pf,150pf, 160pf, 180pf, 200pf, 220pf, 240pf, 270pf, 300pf, 330pf, 360pf, 390pf, 430pf,470pf, 510pf, 560pf, 620pf, 680pf, 820pf, 1000pf, 1200pf, 1500pf, 1800pf,2000pf, 2200pf, 2700pf, 3000pf, 3300pf, 3900pf, 4300pf, 4700pf, 5000pf, 5100pf,5600pf, 6200pf, 6800pf, 7200pf, 8200pf, 10000pf

Related Keywords
High Q MLCC for General-use is class I high frequency capacitor, RF High Q High Power Chip Ceramic capacitor, High Q RF SMD chip capacitor, Microwave RF chip capacitor, RF Multilayer Capacitor
Alternative replacement and direct cross of AVX, ATC, TDK, Vishay, Morgan Ceramics and etc...

150°C, 155°C, 175°C, 200°C High Temperature Ceramic Capacitor

AnXon Cap supply 200°C Radial Leaded High Voltage Disc Ceramic Capacitors,
Features
200°C Rated
3,000VDC to 20,000VDC
 • 1.4PF to 0.012uf
HTNPO and HTX7R Dielectrics
Radial and Axial Leaded
Custom Sizes and Capacitance/Voltages Values              
Applications:
Switching power supplies
Coupling and decoupling caapcitors
Inverter circuitry
Lighting ballasts
High voltage pulse applications
High temperature down-hole
Well logging
Automotive and industrial
Rated Voltage: 3000V / 3KV, 5000V / 5KV, 7500V / 7.5KV, 10KV, 15KV, 20KV
Rated Capacitance: 1.4pf, 2.5pf, 3.4pf, 5.1pf, 7.3pf, 8.5pf,10pf, 12pf, 15pf, 18pf, 24pf, 32pf, 50pf, 60pf, 77pf, 93pf, 110pf, 120pf,150pf, 180pf, 200pf, 210pf, 230pf, 310pf, 350pf, 380pf, 470pf, 520pf,560pf, 690pf, 760pf, 870pf, 1000pf, 1100pf, 1200pf, 1400pf, 1500pf, 1700pf, 1900pf,2000pf, 2100pf, 2300pf, 2900pf, 3000pf, 3500pf, 3700pf, 4700pf, 5800pf, 6200pf, 7000pf, 9500pf, 9600pf, 12000pf
Related Keywords

High temperature chip capacitor, 150°C capacitor, 155°C ceramic capacitor, 175°C disc ceramic capacitor, 200°C SMD capacitor

High voltage Chip Ceramic Capacitor

China supplier of HV SMD MLCC, High voltage SMD ceramic capacitor, high voltage MLCC, high voltage chip capacitor
APPLICATION
 DC-DC converters
Voltage multipliers
Radio and TV receiver
Modems, Interfaces
Other electrical appliances where high voltage is present
FEATURES
Ceramic capacitor specially designed for high voltage applications
Capacitance range: up to 1mF
 Rated voltage: up to 10kVdc
Sizes: from 1515 up to 7565
CG (NPO) and 2R1(X7R) temperature characteristics
Operating temperature range - 55°C to +125°C
Compliant to Standard IEC 384-10
Specifications:
1kv: 1515(392, 333), 2020(682, 683), 2225(123, 124), 2520(103, 104), 3530(183, 274), 4020(0.012uf, 123. 184), 4040(0.033uf, 474), 4540(393, 564), 5040(0.039uf, 0.47uf), 5440(473 684), 5550(563, 824), 6560(0.1uf, 104, 125), 6660(104, 1.2uf,), 7565(124, 1.8uf, 185)
2kv: 1515(222, 3900pf), 2020(472, 103), 2225(10nf, 183), 2520(682, 153), 3530(12000pf, 0.068uf), 4020(8200pf, 0.033uf), 4040(223, 104, 0.1uf), 4540(273, 0.12uf), 5040(0.027uf, 823), 5440(333, 124), 5550(393, 0.18uf), 6560(683, 0.33uf), 6660(0.068uf, 334), 7565(0.082uf, 0.47uf, 474)
3kv: 1515(561, 122), 2020(1200pf, 332), 2225(1000pf, 5600pf), 2520(2200pf, 8200pf), 3530(6800pf, 333), 4020(3900pf, 0.022uf), 4040(0.012uf, 0.039uf), 4540(153, 563), 5040(0.015uf, 0.056uf), 5440(183, 823), 5550(223, 104), 6560(393, 184), 6660(0.039uf, 0.18uf), 7565(473, 0.22uf, 224)
4kv: 2020(820pf, 1800pf), 2225(681, 272), 2520(152, 392), 3530(472, 183), 4020(2700pf, 123), 4040(8200pf, 0.027uf, 273), 4540(103, 333), 5040(0.01uf, 0.027uf), 5440(0.012uf, 393), 5550(0.015uf, 0.056uf), 6560(223, 104), 6660(0.022uf, 0.1uf), 7565(0.039uf, 0.15uf, 154)
5kv: 2020(391, 102), 2225(561, 152), 2520(560pf, 2200pf), 3530(222, 822), 4020(1500pf, 562), 4040(332, 0.018uf), 4540(3900pf, 0.022uf), 5040(392, 153), 5440(472, 223), 5550(562, 393), 6560(123, 473), 6660(0.012uf, 0.047uf), 7565(0.015uf, 0.082uf, 823)
6kv: 2520(680, 68pf), 3530(122, 472), 4020(821, 322), 4040(182, 123), 4540(222, 0.012uf), 5040(272, 123), 5440(332, 153), 5550(392, 223), 6560(682, 333), 6660(6800pf, 0.033uf), 7565(103, 563)
7kv: 3530(821, 332), 4020(471, 222), 4040(152, 822), 4540(182, 822), 5040(1800pf, 8200pf), 5440(2200pf, 0.01uf), 5550(272, 153), 6560(5600pf, 0.022uf), 6660(562, 223), 7565(8200pf, 0.039uf)
8kv: 4040(152, 562), 4540(1500pf, 6800pf), 5040(1500pf, 5600pf), 5440(1800pf, 8200pf), 5550(272, 123), 6560(392, 153), 6660(3900pf, 0.015uf), 7565(5600pf, 0.033uf, 333)
9kv: 4540(1500pf, 5600pf), 5040(122, 472), 5440(182, 682), 5550(222, 103), 6560(332, 123), 6660(3300pf, 0.012uf), 7565(4700pf, 0.027uf, 273)

10kv: 4540(122, 392), 5040(1000pf, 3300pf), 5440(1500pf, 4700pf), 5550(2200pf, 8200pf), 6560(2700pf, 10000pf), 6660(272, 103), 7565(3900pf, 0.022uf, 223)

Thursday, August 7, 2014

RF Power Feed-Through Tubular Capacitors

China supplier of RF power Feed-Through capacitors, manufacturer supply RF Tubular Capacitors, 
Rated Voltage (V): 7KV to 20KVDC
Capacitance Range: 600pF to 1500pF
Reactive Power: 30KVA to 70KVA
Frequency: 1 MHz to 30 MHz
Applications:
Radio Broadcast Transmitters
Induction and Dielectric Heating Equipment
HF Filter, By-Pass & Coupling Circuits
High Power Matching Tuned Circuits
Antenna Circuits
Industrial Applications
High Power matching networks –Plasma Generators
High quality medical imaging systems (MRI)
Rated Voltage: 7KV, 8KV, 10KV, 11KV, 14KV, 15KV, 20KV 
Capacitance: 600pf, 800pf, 1000pf, 1200pf, 1500pf, 65pf, 75pf, 100pf, 120pf, 150pf, 170pf, 200pf, 250pf, 400pf
Power: 30kvar, 56kvar, 60kvar, 70kvar
Specifications,
FT30100 7kv 1500pf, 8kv 600pf, 800pf, 1000pf, 1200pf
FT30088 10kv 1000pf
FT45120 10kv 1500pf, 11kv 1000pf, 1200pf
FT45155 14kv 1000pf
FT50180 20kv 1000pf, 1500pf

RF Power Barrel / Doorknob Capacitors

China supplier of HT RF power barrel ceramic capacitor, manufacturer supply RF Barrel / Doorknob Capacitor,
Rated Voltage (V): 7.5KV to 25KVDC
Capacitance Range: 40pF to 400pF
Reactive Power: 10KVA to 50KVA
Frequency: 1 MHz to 30 MHz
APPLICATIONS
Industrial and medical RF power supply
Antenna couplers
Radio Broadcast Transmitters
RF Induction and Dielectric Heating Equipment
HF Filter, By-Pass & Coupling Circuits
High Power Matching Tuned Circuits
Industrial Applications
High Power matching networks –Plasma Generators
High quality medical imaging systems (MRI)
Rated Voltage: 7500V, 7.5kv, 10kv, 15kv, 25kv
Capacitance: 40pf, 45pf, 50pf, 55pf, 60pf, 65pf, 75pf, 100pf, 120pf, 150pf, 170pf, 200pf, 250pf, 400pf
Power: 10kva, 15kva, 20kva, 25kva, 30kva, 35kva, 50kva
Frequency Rating: 1 MHz, 10 MHz, 30 MHz
Specifications,
HT50 7.5kv 10kva: 40pf, 45pf, 50pf, 55pf, 60pf, 65pf, 75pf, 100pf, 120pf, 150pf, 170pf
HT57 15kv 20kva: 75pf, 100pf, 120pf, 150pf, 170pf, 200pf
HT59 25kv 50kva: 150pf, 200pf, 250pf, 400pf

HT69 25kv 50kva: 150pf, 200pf, 250pf, 400pf

Friday, July 25, 2014

Watercooled RF Power Pot Capacitors External Cooling System

China supplier of water cool RF power capacitors, manufacturer supply water cool capacitors
Rated Voltage (V): 12KV to 30KVDC
Capacitance Range: 100pF to 6000pF
Reactive Power:1000KVA to 3500KVA
Applications,
Watercooled RF power pot capacitors are designed for use in the tank cicuit of high power RF equipment such as induction heating and welding equipment, dielectric heating or a variety of specialized RF applications.
RF induction & dielectric heating equipments
High frequency welded pipe, High frequency drying, High frequency electric oven,
High frequency heating and welding equipment
HF Filter, By-Pass & Coupling Circuits
High Power Matching Tuned Circuits
Industrial Applications
High Power matching networks –Plasma Generators
Product Series, CCGS, CCGSF, TWX, TWXF, TWIF
Rated Voltage: 12KV, 14KV, 16KV, 20KV, 24KV, 25KV, 30KV,
              10KVrms, 12KVrms, 15KVrms, 20KVrms, 25KVrms
Capacitance: 100pf, 200pf, 400pf, 500pf, 600pf, 1000pf, 1500pf, 2000pf, 2200pf, 2500pf, 3000pf, 4000pf, 4700pf, 5000pf, 6000pf, Power: 1000Kva, 1100Kva, 1275Kva, 1500kva, 2000kva, 2500kva, 2830kva, 3000kva, 3200kva, 3500Kva
Alternative replacement and direct cross of Vishay Draloric
If you need more information please contact our sales & Engineering at sales@maxcapacitor.com

High Voltage AC Live Line Ceramic Capacitor

Live Line Capacitor for indicators are used in circuitry indicating the presence of voltage,charged display,Live-Line Indication applications for indicating the presence of voltage on conductors, capacitive insulators, SF6 breakers, vacuum breakers, lightning arresters or voltage transformer.
China supplier of high voltage AC live line ceramic capacitor
Characteristics:
1) Operating temperature range-25° C~+85° C
Small size, high withstand voltage, low dissipation factor
2) Excellent Charging and discharging performance
3) Electrical performance index is much higher than the national standard
Application
Used in electriferous sensor device that works under the voltage of 35KV.
Model Parameter:
Material Characteristics Dielectric : Z5U X7R Y5U Y5S
Rated Voltage (V): 3KVac to 36KVac
Capacitance Range: 10pF to 230pF
Rated Voltage:3KVac, 6KVac, 12KVac, 24KVac, 35KVac, 36KVac
Capacitance: 10pf, 150pf, 175pf, 200pf, 215pf, 220pf, 250pf, 270pf, 300pf, 330pf, 350pf, 360pf, 370pf, 390pf, 470pf, 480pf, 500pf, 510pf, 750pf, 1000pf
Alternative replacement and direct cross of AVX, TDK, Murata, Vishay, Morgan Ceramics and etc...
If you need more information please contact our sales & Engineering at sales@maxcapacitor.com

High Voltage Ceramic Capacitor Stacks

Ceramic capacitor stacks have been developed for use in low power voltage multipliers used in high voltage DC generators. The major applications are x-ray equipment for medical diagnostics or electrostatic paint spraying equipment.

These series connected disc capacitors have been developed for use in low power voltage multipliers for high voltage DC generators. These devices find their major application in the manufacture of voltage multipliers for electrostatic paint spraying equipment and their compact form lends itself to their incorporation in hand held electrostatic spray guns.

A number of capacitors are assembled together with intermediate fittings which allow the connection of diodes to be made. Output voltages in excess of 100kVDC can be produced depending on the number of stages. Voltage ratings of individual discs range from 8 to 1 5kVDC assuming that the quality of encapsulation by the user is sufficient to prevent external breakdown. A variety of intermediate metal fittings are available and the number of individual capacitors in each stack can be varied to meet customers' requirements up to a maximum of 12.

CAPACITORS - CERAMIC - VOLTAGE MULTIPLIERS ASSEMBLY
A voltage multiplier circuit generates a high DC output voltage from a lower AC input voltage by means of a network of capacitors and diodes.

The voltage multiplication factor depends on how many stages are in the multiplier circuit. The typical output voltages range from 20 kV to 150 kV, but can go up to several MV for scientific laboratory applications.

The most common type of voltage multipliers is the half-wave series multiplier, also known as a Villard cascade. It is commonly used in applications such as X-ray systems, electrostatic equipment, ion implantation devices, and many others.

AnXon Cap offers fully assembled voltage multiplier sets as well as single capacitor stacks, which customers can use to build up their own cascades. All of our voltage multiplier products are highly customizable and can be designed according to customer specifications.

Rated Voltage (V): 8KV to 30KVDC
Capacitance Range: 125pF to 1000pF
Rated Voltage: 8KV, 10KV, 12KV, 15KV, 20KV, 25KV, 30KV,
Capacitance: 125pf, 150pf, 175pf, 200pf, 215pf, 220pf, 250pf, 270pf, 300pf, 330pf, 350pf, 360pf, 370pf, 390pf, 470pf, 480pf, 500pf, 510pf, 750pf, 1000pf
Alternative replacement and direct cross of AVX, TDK, Murata, Vishay, Morgan Ceramics and etc...
If you need more information please contact our sales & Engineering at sales@maxcapacitor.com.

RF Power plate / disk ceramic capacitor

China supplier of RF power capacitors, manufacturer supply high voltage RF power ceramic capacitors,
Rated Voltage (V): 5KV to 30KVDC
Capacitance Range: 100pF to 6000pF
Reactive Power: 30KVA to 150KVA
Applications,
Induction and dielectric heating
Antenna units
High frequency heating and welding equipment
Radio Broadcast Transmitters
HF Filter, By-Pass & Coupling Circuits
High Power Matching Tuned Circuits
Industrial Applications
High Power matching networks –Plasma Generators
High quality medical imaging systems (MRI)
Product Series, CCG81, DT60, DT80, DT110, DT140, DT150, DT160, DT200, PD70, PD80, PE100, PE110, PE140, PE150, PE200, PE210, PE220
Rated Voltage: 5000V, 5KV, 8000V, 8KV, 10KV, 11KV, 12KV, 13KV, 14KV, 15KV, 17KV, 20KV, 21KV, 25KV, 30KV, 
              4KVrms, 5KVrms, 8KVrms, 10KVrms, 11KVrms, 12KVrms, 15KVrms, 20KVrms, 25KVrms
Capacitance: 100pf, 150pf, 200pf, 250pf, 300pf, 330pf, 350pf, 400pf, 500pf, 600pf, 750pf, 800pf, 1000pf, 1200pf, 1500pf, 1600pf, 2000pf, 2200pf, 2500pf, 3000pf, 4000pf, 4700pf, 5000pf, 6000pf
Power: 15Kvar, 30Kvar, 40Kvar, 60kva, 65kva, 75kva, 90kva, 125kva, 150kva
Alternative replacement and direct cross of AVX, TDK, Murata, HVCA, CKE, Vishay, Morgan Ceramics and etc...
If you need more information please contact our sales & Engineering at sales@maxcapacitor.com

High Voltage Ceramic Capacitor Mold / Doorknob Type

CT8G High Voltage Screw Mounting Ceramic Capacitor
Pulse power ceramic capacitor, Doorknob capacitor, High Voltage Screw Ceramic Capacitor, CT8G High Voltage Bolt Ceramic Capacitor, HV ceramic capacitor, Molded type high voltage ceramic capacitor
Applications
High voltage power supply
High voltage dividers
Marx generators
Power generators
High voltage generators
High voltage coupling devices
Power line coupling system for Internet & Telecom
Gas Lasers
Electrostatic Copying Machines
AC Voltage Distribution
X-Ray Power Supplies
DC HV power supplies
Lightning arresters
Voltage distribution systems
Electron microscopes, synchroscopes
Electrostatic coating and spray equipment
 Coupling Capacitor Voltage Transformer, CCVT. CVT
Rated Voltage: 10KV, 15KV, 20KV, 24KV, 25KV, 30KV, 35KV, 36KV, 40KV, 45KV, 50KV, 60KV, 70KV, 80KV, 100KV, 150KV
10KVrms, 15KVrms, 20KVrms, 24KVrms, 28KVrms, 35KVrms, 36KVrms, 42KVrms, 70KVrms
Test Voltage: 12Kvac, 18Kvac, 24Kvac, 33Kvac, 42Kvac, 50Kvac, 80Kvac
Capacitance: 100pf(101), 140pf(141), 190pf(191), 195pf, 200pf(201), 280pf(281), 300pf(301), 340pf(341), 370pf(371), 375pf, 390pf(391), 400pf(401), 410pf(411), 440pf(441), 460pf(461), 500pf(501), 560pf(561), 570pf(571), 590pf(591), 600pf(601), 675pf, 700pf(701), 710pf(711), 750pf(751), 780pf(781), 820pf(821), 825pf, 850pf(851), 880pf(881), 940pf(941), 1000pf(102), 1100pf(112), 1120pf, 1200pf(122), 1300pf(132), 1350pf, 1400pf(142), 1500pf(152), 1600pf(162), 1650pf, 1700pf(172), 1800pf(182), 1900pf(192), 2000pf(202), 2100pf(212), 2200pf(222), 2400pf(242), 2500pf(252), 2600pf(262), 2700pf(272), 2800pf(282), 3000pf(302), 3300pf(332), 3400pf(342), 3500pf(352), 3600pf(362), 3700pf(372), 4000pf(402), 4700pf(472), 4800pf(482), 5000pf(502), 5200pf(522), 5300pf(532), 5600pf(562), 6800pf(682), 7000pf(702), 8000pf(802)
Characteristics:
Operating Temperature Range: -30C + 125C
Rated Voltage (V): 10KV -150KVDC
Capacitance Range: 10pF - 20000pF
Operating frequency: 20KHZ~1000KHZ
Materials: NPO, N4700, Y5S, Y5T, X7R, Y5V, Y5U
Capacitance tolerance: ±0.25 PF, ±0.5 PF, ± 5% ,± 10%, ± 20% ,+ 80%- 20%,
Alternative replacement and direct cross of AVX, TDK, Murata, HVCA, CKE, Vishay, Morgan Ceramics and etc...
If you need more information please contact our sales & Engineering at sales@maxcapacitor.com.

Thursday, July 10, 2014

High voltage leaded disc ceramic capacitor

CT81 High Voltage Disc Ceramic Capacitor...
High Voltage Ceramic Capacitor supplier, manufacturer supply of high voltage leaded disc ceramic capacitors.
Application,
CO2 lasers
High voltage pulse generator
X-ray power supply
X-ray high voltage generator
NDT (Non-destructive testing)
Airport security equipment
High frequency & high voltage power supplies
Medical power supply
Military
•High Voltage power supplies: Linear, Switchers, Voltage Multipliers
• X-Ray / Radio Frequency Generators
• Laser Systems
• EMI / RFI filters
• Snubber circuits
• Ionizing Equipment: Air Cleaners
• Lighting Ballasts
Rated Voltage: 1000V, 2000V, 3000V, 4000V, 5KV, 6KV, 6.3KV, 8KV, 10KV, 12KV, 15KV, 20KV, 25KV, 27KV, 30KV, 35KV, 40KV, 50KV
Capacitance: 10pf, 15pf, 22pf, 27pf, 33pf, 39pf, 47pf, 56pf, 68pf, 82pf, 100pf (101), 120pf (121), 150pf (151), 200pf (201), 220pf (221), 250pf (251), 270pf (271), 330pf (331), 390pf (391), 470pf (471), 500pf (501), 510pf (511), 560pf (561), 680pf (681), 750pf (751), 820pf (821), 1000pf (102), 1200pf (122), 1500pf (152), 2000pf (202), 2200pf (222), 2700pf (272), 3000pf (302), 3300pf (332), 3500pf (352), 4000pf (402), 4500pf (452), 4700pf (472), 5000pf (502), 5600pf (562), 6000pf (602), 6800pf (682), 10nf (103)
Characteristics:
Operating Temperature Range: -25C to +85C
Rated Voltage (V): 1 KV -50KVDC
Capacitance Range: 10pF -10,000pF
Temperature characteristic: N4700(DL), UJ, SL, YL, BN,Y5P, Y5R, X7E(X7E), X7F(X), X7R(X7R), Y5S(S), Y5T(D), Y5U(E), Y5V(F)
Alternative replacement and direct cross of AVX, TDK, Murata, HVCA, CKE, Vishay, Morgan Ceramics and etc...

If you need more information please contact our sales & Engineering at sales@maxcapacitor.com.

Sunday, May 25, 2014

Ceramic Capacitor





Ceramic Capacitor


What are ceramic capacitors?

A ceramic capacitor uses a ceramic material as the dielectric. Ceramics were one of the first materials to be used in the production of capacitors, as it was a known insulator. Many geometries were used in ceramic capacitors, of which some, like ceramic tubular capacitors and barrier layer capacitors are obsolete today due to their size, parasitic effects or electrical characteristics. The types of ceramic capacitors most often used in modern electronics are the multi-layer ceramic capacitor, otherwise named ceramic multi-layer chip capacitor (MLCC) and the ceramic disc capacitor. MLCCs are the most produced capacitors with a quantity of approximately 1000 billion devices per year. They are made in SMD (surface-mounted) technology and are widely used due to their small size. Ceramic capacitors are usually made with very small capacitance values, typically between 1nF and 1µF, although values up to 100µF are possible. Ceramic capacitors are also very small in size and have a low maximum rated voltage. They are not polarized, which means that they may be safely connected to an AC source. Ceramic capacitors have a great frequency response due to low parasitic effects such as resistance or inductance.

Ceramic capacitor definition

A ceramic capacitor is a capacitor which uses a ceramic material as the dielectric. The two most common types are multi-layer ceramic capacitors and ceramic disc capacitors.

Characteristics

Precision and tolerances

There are two classes of ceramic capacitors available today: class 1 and class 2. Class 1 ceramic capacitors are used where high stability and low losses are required. They are very accurate and the capacitance value is stable in regard to applied voltage, temperature and frequency. The NP0 series of capacitors has a capacitance thermal stability of  ±0.54% within the total temperature range of -55 to +125 °C. Tolerances of the nominal capacitance value can be as low as 1%.
Class 2 capacitors have a high capacitance per volume and are used for less sensitive applications. Their thermal stability is typically ±15% in the operating temperature range, and the nominal value tolerances are around 20%.

Size advantages

When high component packing densities are required, as is the case in most modern printed circuit boards (PCBs), MLCC devices offer a great advantage compared to other capacitors. To illustrate this point, the “0402” multi-layer ceramic capacitor package measures just 0.4 mm x 0.2 mm. In such a package, there are 500 or more ceramic and metal layers. The minimum ceramic thickness as of 2010 is on the order of 0.5 microns.

High voltage and high power

Physically larger ceramic capacitors can be made to withstand much higher voltages and these are called power ceramic capacitors. These are physically much larger than those used on PCBs and have specialized terminals for safe connection to a high voltage supply. Power ceramic capacitors can be made to withstand voltages in the range of 2kV up to 100 kV, with a power specified at much higher than 200 volt-amperes.
Smaller MLCCs used in printed circuit boards are rated to voltages from only a few volts up to several hundreds of volts, depending on the application.

Construction and properties of ceramic capacitors

Ceramic disc capacitors

Ceramic disc capacitors are manufactured by coating a ceramic disc with silver contacts on both sides. To achieve larger capacitances, these devices can be made from multiple layers. Ceramic disc capacitors are usually through-hole components and are falling out of favor due to their size. MLCCs are used instead, if capacitance values allow. Ceramic disc capacitors have a capacitance value of 10pF to 100μF with a wide variety of voltage ratings, between 16 volts to 15 kV and more.

Ceramic Capacitor Schematical View

Multi-layer ceramic capacitor (MLCC)

MLCCs are manufactured by accurately mixing finely ground granules of paraelectric and ferroelectric materials and alternatively layering the mix with metal contacts. After the layering is complete, the device is brought to a high temperature and the mixture is sintered, resulting in a ceramic material of desired properties. The resulting capacitor basically consists of many smaller capacitors connected in parallel, increasing the capacitance. MLCCs consist of 500 layers and more, with the minimum layer thicknes of approximately 0.5 micron. As technology progresses, the layer thickness decreases and higher capacitances are achievable for the same volume.

MLCC case sizes

Surface-mount components like MLCCs are cheaper, because they have no leads and a little bit smaller than their counterparts with leads, and they need no holes in the PCB, a second reduction of costs. They are designed to be handled by machines rather than by humans, to reduce costs.
MLCCs are manufactured in standardized shapes and sizes for comparable handling. Because the early standardization was dominated by American EIA standards the dimensions of the MLCC chips were standardized by EIA in units of inches. A rectangular chip with the dimensions of 0.06 inch length and 0.03 inch width is coded as “0603”. This code is international and in common use.The EIA code and the metric equivalent of the common sizes of multilayer ceramic chip capacitors, and the dimensions in mm are shown in the following table. Missing from the table is the measure of the height "H". This is generally not listed, because the height of MLCC chips depends on the number of layers and thus on the capacitance. Normally, however, the height H does not exceed the width W.
Table of the dimension codes and the corresponding dimensions of MLCC chip capacitors
DrawingEIA
inch code
Dimensions
L x W
inch x inch
IEC/EN
metric code
Dimensions
L × W
mm × mm
EIA
inch code
Dimensions
LxW
inch x inch
IEC/EN
metric code
Dimensions
L × W
mm × mm

Dimensions L×W×H of the multi-layer ceramic chip capacitors
010050.016 × 0.007904020.4 × 0.218060.18 × 0.06345164.5 × 1.6
0150150.016 x 0.01604040.4 x 0.418080.18 x 0.07945204.5 × 2.0
02010.024 × 0.01206030.6 × 0.318120.18 × 0.1345324.5 × 3.2
02020.02 x 0.0205050.5 x 0.518250.18 x 0.2545644.5 x 6.4
03020.03 x 0.0208050.8 x 0.520100.20 × 0.09850255.0 × 2.5
03030.3 x 0.0308080.8 x 0.820200.20 x 0.2050505.08 x 5.08
05040.05 x 0.0413101.3 x 1.022200.225 x 0.19757505.7 × 5.0
04020.039 × 0.02010051.0 × 0.522250.225 x 0.255664/57645.7 x 6.4
06030.063 × 0.03116081.6 × 0.825120.25 × 0.1364326.4 × 3.2
08050.079 × 0.04920122.0 × 1.2525200.25 x 0.19764506.4 x 5.0
10080.098 × 0.07925202.5 × 2.029200.29 × 0.19774507.4 × 5.0
11110.11 x 0.1128282.8 x 2.833330.33 x 0.3384848.38 x 8.38
12060.126 × 0.06332163.2 × 1.636400.36 x 0.4092109.2 x 10.16
12100.126 × 0.1032253.2 × 2.540400.4 x 0.410010010.2 x 10.2
14100.14 x 0.1036253.6 x 2.555500.55 x 0.514012714.0 x 12.7
15150.15 x 0.1538383.81 x 3.8180600.8 x 0.620315320.3 x 15.3

MLCC capacitance ranges

The picture right shows the maximum capacitance for class 1 and class 2 multilayer ceramic chip capacitors. The following three tables, for ceramics NP0/C0G and X7R each, list for each common case size the maximum available capacitance value and rated voltage of the leading manufacturers Murata, TDK, KEMET, AVX. (Status 2013)Capacitance of MLCC chips depends on the dielectric, the size and the required voltage (rated voltage). Capacitance values start at about 1pF. The maximum capacitance value is determined by the production technique. For X7R that is 47 µF, for Y5V: 100 µF.

Maximum capacitance values of class 1 NP0/C0G MLCC chips
Rated-
voltage
Case size, EIA Code
Dimensions in mm
0201040206030805120612101812
0.5×0.31.0×0.51.6×0.82.0×1.23.2×1.63.2×2.54.5×3.2
Max. capacitance
25 V100 pF2.2 nF15 nF47 nF100 nF220 nF-
50 V220 pF1.5 nF6.8 nF33 nF100 nF150 nF220 nF
100 V1 nF4.7 nF15 nF47 nF100 nF150 nF
250 V680 pF2.2 nF6.8 nF15 nF47 nF
630 V3.3 nF6.8 nF22 nF
1000 V120 pf680 pF2.2 nF
Maximum capacitance values of class 2-X7R-MLCC chips
Rated-
voltage
Case size, EIA Code
Dimensions in mm
0100502010402060308051206121018122220
0.25×0.120.5×0.31.0×0.51.6×0.82.0×1.23.2×1.63.2×2.54.5×3.25.7×5.0
Max. capacitance
6.3 V1.0 µF2.2 µF10 µF47 µF-
10 V1.5 nF10 nF680 nF2.2 µF10 µF22 µF47 µF-
16 V4.7 nF220 nF470 nF4.7 µF10 µF22 µF33 µF47 µF
25 V1.5 nF3.3 nF100 nF470 nF2.2 µF4.7 µF10 µF22 µF10 µF
50 V-1.5 nF100 nF1.0 µF4.7 nF10 µF22 µF22 µF22 µF
100 V4.7 nF100 nF0.47 µF2.2 µF2.2 µF2.2 µF4.7 µF
250 V2.2 nF22 nF100 nF220 nF0.47 µF1.0 µF
630 V33 nF68 nF0.1 µF0.22 µF
1000 V4.7 nF22 nF47 nF100 nF
2000 V4.7 nF10 nF

RFI/EMI suppression ceramic capacitors


Typical ceramic disc capacitor for EMI/RFI suppression for safety standard classes X1/Y2
Ceramic feedthrough capacitor for noise filtering

Multilayer ceramic capacitor (MLCC)

Mainly because of their nonflammability in case of short circuit and their compatibleness against high peak overvoltages (transient voltage), ceramic capacitors are often used as AC line filters for electromagnetic Interference (EMI) or radio Frequency Interference (RFI) suppression. These capacitors, also known as safety capacitors, are crucial components to reduce or suppress electrical noise caused by the operation of electrical or electronic equipment, while also providing limited protection against human endanger during short circuitsSuppression capacitors are effective interference reduction components because their electrical impedance decreases with increasing frequency, so that at higher frequencies they short circuit electrical noise and transients between the lines, or to ground. They therefore prevent equipment and machinery (including motors, inverters, and electronic ballasts, as well as solid-state relay snubbers and spark quenchers) from sending and receiving electromagnetic and radio frequency interference as well as transients in across-the-line (X capacitors) and line-to-ground (Y capacitors) connections. X capacitors effectively absorb symmetrical, balanced, or differential interference. Y capacitors are connected in a line bypass between a line phase and a point of zero potential, to absorb asymmetrical, unbalanced, or common-mode interference.

RFI/EMI suppression with X- and Y-capacitors for equipment without and with additional safety insulation

EMI/RFI suppression capacitors are designed so that any remaining interference or electrical noise does not exceed the limits of EMC directive EN 50081.Suppression components are connected directly to mains voltage for 10 to 20 years or more and are therefore exposed to potentially damaging overvoltages and transients. For this reason, suppression capacitors must comply with the safety and inflammability requirements of international safety standards such as

Europe: EN 60384-14,

USA: UL 1414, UL 1283

Canada: CSA C22.2, No.1, CSA C22.2, No.8

China: CQC (GB/T 14472-1998)

RFI capacitors that fulfill all specified requirements are imprinted with the certification mark of various national safety standards agencies. For power line applications, special requirements are placed on the inflammability of the coating and the epoxy resin impregnating or coating the capacitor body. To receive safety approvals, X and Y powerline-rated capacitors are destructively tested to the point of failure. Even when exposed to large overvoltage surges, these safety-rated capacitors must fail in a fail-safe manner that does not endanger personnel or property.

As of 2012 most ceramic capacitors used for EMI/RFI suppression were leaded ones for through-hole mounting on a PCB,he surface-mount technique is becoming more and more important. For this reason, in recent years a lot of MLCC chips for EMI/RFI suppression from different manufacturers have received approvals and fulfill all requirements given in the applicable standards.

Ceramic power capacitors

Different styles of ceramic capacitors for power electronic

Doorknob style high voltage ceramic capacitor 

Disc Plate style RF power ceramic capacitor

 Tubular or pot style power ceramic capacitor

Although the materials used for large power ceramic capacitors mostly are very similar to those used for smaller ones, ceramic capacitors with high to very high power or voltage ratings for applications in power systems, transmitters and electrical installations are often classified separately, for historical reasons. The standardization of ceramic capacitors for lower power is oriented toward electrical and mechanical parameters as components for use in electronic equipment. The standardization of power capacitors, contrary to that, is strongly focused on protecting personnel and equipment, given by the local regulating authority.Power ceramic capacitors in a radio-frequency transmitter station

As modern electronic equipment gained the ability to handle power levels that were previously the exclusive domain of "electrical power" components, the distinction between the "electronic" and "electrical" power ratings has become less distinct. In the past, the boundary between these two families was approximately at a reactive power of 200 volt-amps, but modern power electronics can handle increasing amounts of power.

Power ceramic capacitors are mostly specified for much higher than 200 volt-amps. The great plasticity of ceramic raw material and the high dielectric strength of ceramics deliver solutions for many applications and are the reasons for the enormous diversity of styles within the family of power ceramic capacitors. These power capacitors have been on the market for decades. They are produced according to the requirements as class 1 power ceramic capacitors with high stability and low losses or class 2 power ceramic capacitors with high volumetric efficiency.

Class 1 power ceramic capacitors are used for resonant circuit application in transmitter stations. Class 2 power ceramic capacitors are used for circuit breakers, for power distribution lines, for high voltage power supplies in laser-applications, for induction furnaces and in voltage-doubling circuits. Power ceramic capacitors can be supplied with high rated voltages in the range of 2 kV up to 100 kV

The dimensions of these power ceramic capacitors can be very large. At high power applications the losses of these capacitors can generate a lot of heat. For this reason some special styles of power ceramic capacitors have pipes for water-cooling.

Applications for ceramic capacitors


Having in mind that MLCCs are the most widely produced capacitor in the electronics industry, it goes without saying that there are countless applications for these capacitors. An interesting high-precision, high-power application is a resonant circuit in transmitter stations. Class 2 high-power capacitors are used in high voltage laser power supplies, power circuit breakers, induction furnaces etc. Small-form SMD (surface mount) capacitors are often used in printed circuit boards and high density applications use capacitors which are comparable to the size of a grain of sand. They are also used in DC-DC converters which put a lot of stress on the components in the form of high frequencies and high levels of electrical noise. Ceramic capacitors can also be used as a general purpose capacitor, since they are not polarized and are available in a large variety of  capacitances, voltage ratings and sizes. Many hobbyists, especially in the field of robotics, are familiar with ceramic disc capacitors used across brush DC motors to minimize RF noise
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