Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC21CG6R2D50NT

GMC21CG6R2D50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 6.2PF .5PF 50V

52000

GMC04CG471J100NT

GMC04CG471J100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 470PF 100V C0G/NP0 0402

50000

GMC21CG160G50NT

GMC21CG160G50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 16PF 2% 50V

0

GMC21CG270F50NT

GMC21CG270F50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 27PF 1% 50V

8000

CHV2220N2K0273KXT

CHV2220N2K0273KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.027UF 2KV X7R 2220

4000

CHV1210N500471JCT

CHV1210N500471JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 470PF 500V C0G/NP0 1210

0

GMC04CG4R0B50NT

GMC04CG4R0B50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 4PF 50V C0G/NP0 0402

0

GMC21X7R563J50NT

GMC21X7R563J50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .056UF 5% 50V

72000

GMC21CG821F100NT

GMC21CG821F100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 820PF 1% 100V

60000

GMC10X7R102M25NT

GMC10X7R102M25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1000PF 25V X7R 0603

0

CHV1812N3K0151JCT

CHV1812N3K0151JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 150PF 3KV C0G/NP0 1812

5000

GMC04X7R331J100NT

GMC04X7R331J100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 330PF 100V X7R 0402

0

GMC21X7R271J50NT

GMC21X7R271J50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 270PF 5% 50V

292000

GMC10X7R331K200NT

GMC10X7R331K200NT

CAL-CHIP ELECTRONICS INC.

CAP CER 330PF 200V X7R 0603

36000

GMC10CG561F50NT

GMC10CG561F50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 560PF 50V C0G/NP0 0603

48000

GMC21CG4R7B50NTD

GMC21CG4R7B50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 4.7PF .1PF 50V

0

CHV1812N3K0101KXT

CHV1812N3K0101KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 100PF 3KV X7R 1812

1000

GMC10CG820G100NTD

GMC10CG820G100NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 82PF 100V C0G/NP0 0603

440000

CHV1812N2K0101JCT

CHV1812N2K0101JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 100PF 2KV C0G/NP0 1812

1000

GMC10X5R474K25NT

GMC10X5R474K25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.47UF 25V X5R 0603

536000

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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