Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC21CG180J100NT

GMC21CG180J100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 18PF 5% 100V

212000

CHV1206N2K0560JXT

CHV1206N2K0560JXT

CAL-CHIP ELECTRONICS INC.

CAP CER 56PF 2KV X7R 1206

22000

GMC21CG220J200NT

GMC21CG220J200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 22PF 5% 200V

4000

GMC21X7R333K50NTD

GMC21X7R333K50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .033UF 10% 50V

70000

GMC21CG8R2C100NTD

GMC21CG8R2C100NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 8.2PF .25PF 100V

140000

CHV0805N1K0101FCT

CHV0805N1K0101FCT

CAL-CHIP ELECTRONICS INC.

CAP CER 100PF 1KV C0G/NP0 0805

0

GMC21CG470K200NT

GMC21CG470K200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 47PF 10% 200V

0

GMC10X5R225K6R3NT

GMC10X5R225K6R3NT

CAL-CHIP ELECTRONICS INC.

CAP CER 2.2UF 6.3V X5R 0603

1364000

GMC10X7R472K50NT

GMC10X7R472K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 50V X7R 0603

676000

CHV1812N2K0222KXT

CHV1812N2K0222KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 2200PF 2KV X7R 1812

0

GMC21X7R683J25NT

GMC21X7R683J25NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .068UF 5% 25V

20000

GMC04Y5V104Z25NT

GMC04Y5V104Z25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 25V Y5V 0402

170580000

CHV0805N500821JCT

CHV0805N500821JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 820PF 500V C0G/NP0 0805

40000

GMC21CG621G100NT

GMC21CG621G100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 620PF 2% 100V

8000

GMC10CG2R2C50NT

GMC10CG2R2C50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 2.2PF 50V C0G/NP0 0603

1216000

CHV1825N250105KXT

CHV1825N250105KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 1UF 250V X7R 1825

12000

GMC21X7R124K16NT

GMC21X7R124K16NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .12UF 10% 16V

36000

GMC04X7R104K25NTD

GMC04X7R104K25NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 25V X7R 0402

3750000

GMC04CG8R0C50NT

GMC04CG8R0C50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 8PF 50V C0G/NP0 0402

30000

GMC04CG221F100NT

GMC04CG221F100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 220PF 100V C0G/NP0 0402

50000

Ceramic Capacitors

1. Overview

Ceramic capacitors are fixed-value capacitors with ceramic materials as dielectrics. They consist of alternating layers of ceramic and metal electrodes, offering compact size, low cost, and stable performance. As core passive components, they are critical in modern electronics for functions like noise filtering, signal coupling, and power supply stabilization. Their importance spans from consumer electronics to aerospace systems due to their reliability and wide operating frequency range.

2. Main Types and Functional Classification

Type Functional Characteristics Application Examples
Class I Ceramic Capacitors High stability, low losses, linear temperature coefficient ( 30ppm/ C) RF circuits, precision oscillators
Class II Ceramic Capacitors Higher capacitance density, nonlinear temperature response ( 15%-22%) Power decoupling, DC link circuits
Multi-Layer Ceramic Capacitors (MLCCs) Stacked electrode structure, high capacitance-to-volume ratio Mobile devices, automotive electronics
High Voltage Ceramic Capacitors Rated voltage >1kV, thick dielectric layers Power supplies, medical imaging equipment

3. Structure and Composition

Ceramic capacitors feature a layered structure with three primary components:

  • Ceramic Dielectric: Barium titanate (BaTiO3) or calcium zirconate formulations for Class II/III types
  • Electrodes: Nickel, copper, or silver-palladium alloys in alternating layers
  • Terminations: Solderable outer layers (e.g., tin/nickel plating) for PCB mounting

MLCCs are manufactured through tape casting, screen printing, and sintering processes to create monolithic structures with up to 1000+ electrode layers.

4. Key Technical Specifications

Parameter Significance Typical Range
Capacitance (C) Determines charge storage capability 0.5pF - 100 F
Rated Voltage (VR) Maximum DC working voltage 2.5V - 10kV
Capacitance Tolerance Manufacturing accuracy 1% (Class I) to 22% (Class III)
Temperature Coefficient Stability across temperature -55 C to +125 C operating range
ESR (Equivalent Series Resistance) Impacts high-frequency performance 1m - 100m

5. Application Fields

Ceramic capacitors are deployed in:

  • Consumer Electronics: Smartphones (decoupling), laptops (power management)
  • Automotive Systems: ECU units (noise suppression), EV charging circuits
  • Industrial Equipment: Motor drives (snubber circuits), PLC controllers
  • Telecommunications: 5G base stations (RF filtering), optical transceivers
  • Medical Devices: MRI scanners (high-voltage isolation), pacemakers

6. Leading Manufacturers and Products

Manufacturer Key Products Technical Highlights
Murata Manufacturing GRM series MLCCs Sub-millimeter 0201 size with 10 F capacity
TDK Corporation C4532 series High-reliability automotive grade components
KEMET Electronics C1210 series Space-grade tantalum ceramic hybrid capacitors
AVX Corporation 943D series High-voltage 2000V surface-mount devices
Vishay Intertechnology VCB series Anti-sulfurated terminations for harsh environments

7. Selection Guidelines

Key considerations for capacitor selection:

  • Operating voltage margin (>20% above rated voltage)
  • Temperature stability requirements (Class I for precision circuits)
  • Size constraints (MLCCs preferred for miniaturization)
  • Environmental factors (humidity, vibration, thermal cycling)
  • Cost optimization (Class II for cost-sensitive applications)

Example: For a 5G RF front-end module, select Class I capacitors with 0.1pF tolerance and 50 impedance matching characteristics.

8. Industry Trends

Emerging developments include:

  • Miniaturization: Development of 01005-inch MLCCs for wearable devices
  • High Capacitance Density: 100 F+ in 1210 package through nano-dielectric engineering
  • Advanced Materials: Lead-free ceramics meeting RoHS standards
  • High-Temperature Performance: Capacitors operating reliably at 200 C+
  • Integrated Solutions: Embedded capacitor substrates for SiP (System-in-Package) applications
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