Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC21CG271F50NT

GMC21CG271F50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 270PF 1% 50V

60000

GMC21Z5U334M50NT

GMC21Z5U334M50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 Z5U .33UF 20% 50V

16000

CHV1812N1K0562KXT

CHV1812N1K0562KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 5600PF 1KV X7R 1812

16000

GMC21CG2R7B100NT

GMC21CG2R7B100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 2.7PF .1PF 100V

248000

GMC21CG3R0B50NT

GMC21CG3R0B50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 3PF .1PF 50V

20000

GMC10CG101K100NT

GMC10CG101K100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 100PF 100V C0G/NP0 0603

2196000

GMC21CG221G50NT

GMC21CG221G50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 220PF 2% 50V

544000

GMC10X7R332K50NT

GMC10X7R332K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 3300PF 50V X7R 0603

124000

CHV1210N250472JCT

CHV1210N250472JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 250V C0G/NP0 1210

0

GMC10X7R821K50NT

GMC10X7R821K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 820PF 50V X7R 0603

64000

GMC21CG1R3B50NT

GMC21CG1R3B50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 1.3PF .1PF 50V

0

CHV1812N1K0472KXT

CHV1812N1K0472KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 1KV X7R 1812

249000

GMC21X7R681J50NT

GMC21X7R681J50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 680PF 5% 50V

0

GMC04CG200G50NT

GMC04CG200G50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 20PF 50V C0G/NP0 0402

40000

GMC21CG271J100NTD

GMC21CG271J100NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 270PF 5% 100V

0

GMC04X7R331K25NT

GMC04X7R331K25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 330PF 25V X7R 0402

200000

GMC10X7R104K50NTD

GMC10X7R104K50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 50V X7R 0603

1460000

GMC31CG122G100NT

GMC31CG122G100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1200PF 100V C0G/NP0 1206

12000

GMC21CG560J50NTD

GMC21CG560J50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 56PF 5% 50V

110000

CHV1812N500471JCT

CHV1812N500471JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 470PF 500V C0G/NP0 1812

3000

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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