Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC21CG1R8C200NT

GMC21CG1R8C200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 1.8PF .25PF 200V

8000

GMC04CG120G50NT

GMC04CG120G50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 12PF 50V C0G/NP0 0402

380000

GMC04CG180J100NT

GMC04CG180J100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 18PF 100V C0G/NP0 0402

50000

GMC21CG221K200NT

GMC21CG221K200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 220PF 10% 200V

0

GMC21CG6R2B100NT

GMC21CG6R2B100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 6.2PF .1PF 100V

0

GMC04CG4R3C100NT

GMC04CG4R3C100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 4.3PF 100V C0G/NP0 0402

0

GMC21X7R124J50NT

GMC21X7R124J50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .12UF 5% 50V

84000

CHV1206N1K0152JXT

CHV1206N1K0152JXT

CAL-CHIP ELECTRONICS INC.

CAP CER 1500PF 1KV X7R 1206

0

GMC10CG2R0B100NT

GMC10CG2R0B100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 2PF 100V C0G/NP0 0603

0

GMC10CG103J50NT

GMC10CG103J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.01UF 50V C0G/NP0 0603

972000

GMC10CG1R6C50NT

GMC10CG1R6C50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1.6PF 50V C0G/NP0 0603

244000

CHV1812N2K0472KXT

CHV1812N2K0472KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 2KV X7R 1812

246000

GMC04CG160J50NT

GMC04CG160J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 16PF 50V C0G/NP0 0402

0

CHV1206N1K0750JCT

CHV1206N1K0750JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 75PF 1KV C0G/NP0 1206

0

GMC21CG271G50NT

GMC21CG271G50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 270PF 2% 50V

348000

CHV1210N250104KXT

CHV1210N250104KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 250V X7R 1210

288000

GMC21CG3R3C100NT

GMC21CG3R3C100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 3.3PF .25PF 100V

64000

GMC21CG510J50NTD

GMC21CG510J50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 51PF 5% 50V

100000

GMC10X7R224J16NT

GMC10X7R224J16NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.22UF 16V X7R 0603

16000

GMC21CG2R2C100NTD

GMC21CG2R2C100NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 2.2PF .25PF 100V

140000

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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