Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC10CG3R3B50NTD

GMC10CG3R3B50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 3.3PF 50V C0G/NP0 0603

870000

GMC10CG820K50NT

GMC10CG820K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 82PF 50V C0G/NP0 0603

4000

CHV1812N250104JXT

CHV1812N250104JXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 250V X7R 1812

0

GMC21CG471M50NT

GMC21CG471M50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 470PF 20% 50V

0

GMC10CG820J25NT

GMC10CG820J25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 82PF 25V C0G/NP0 0603

340000

GMC21CG220G100NTD

GMC21CG220G100NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 22PF 2% 100V

60000

GMC21CG4R7C200NT

GMC21CG4R7C200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 4.7PF .25PF 200V

12000

GMC10CG2R0C100NT

GMC10CG2R0C100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 2PF 100V C0G/NP0 0603

156000

GMC10CG221J16NT

GMC10CG221J16NT

CAL-CHIP ELECTRONICS INC.

CAP CER 220PF 16V C0G/NP0 0603

0

GMC21CG330K200NT

GMC21CG330K200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 33PF 10% 200V

20000

GMC04CG151F50NT

GMC04CG151F50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 150PF 50V C0G/NP0 0402

180000

CHV1206N5001R8CCT

CHV1206N5001R8CCT

CAL-CHIP ELECTRONICS INC.

CAP CER 1.8PF 500V C0G/NP0 1206

24000

GMC10X7R104M50NT

GMC10X7R104M50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 50V X7R 0603

32272000

CHV1206N2K0332KXT

CHV1206N2K0332KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 3300PF 2KV X7R 1206

50000

GMC10CG130G100NT

GMC10CG130G100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 13PF 100V C0G/NP0 0603

36000

GMC10CG1R2C100NT

GMC10CG1R2C100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1.2PF 100V C0G/NP0 0603

0

GMC21X7R224K25NTD

GMC21X7R224K25NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .22UF 10% 25V

530000

GMC04CG121J50NT

GMC04CG121J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 120PF 50V C0G/NP0 0402

200000

CHV0805N500560KXT

CHV0805N500560KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 56PF 500V X7R 0805

40000

GMC21CG620F50NT

GMC21CG620F50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 62PF 1% 50V

0

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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