Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC10CG6R0C50NT

GMC10CG6R0C50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 6PF 50V C0G/NP0 0603

24000

GMC04X5R225K6R3NT

GMC04X5R225K6R3NT

CAL-CHIP ELECTRONICS INC.

CAP CER 2.2UF 6.3V X5R 0402

5600000

GMC04CG3R9C100NT

GMC04CG3R9C100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 3.9PF 100V C0G/NP0 0402

20000

CHV1206N5003R9CT

CHV1206N5003R9CT

CAL-CHIP ELECTRONICS INC.

CAP CER 3.9PF 500V 1206

8000

GMC10CG3R0B50NTD

GMC10CG3R0B50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 3PF 50V C0G/NP0 0603

140000

GMC21CG472G100NT

GMC21CG472G100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 4700PF 2% 100V

45000

GMC10CG2R0C25NT

GMC10CG2R0C25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 2PF 25V C0G/NP0 0603

0

CHV2220N2K0472MXT

CHV2220N2K0472MXT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 2KV X7R 2220

5600

GMC10CG681J50NTD

GMC10CG681J50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 680PF 50V C0G/NP0 0603

80000

GMC10CG391G50NTD

GMC10CG391G50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 390PF 50V C0G/NP0 0603

940000

GMC21X7R105K25NT

GMC21X7R105K25NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 1UF 10% 25V

3986000

GMC10X7R182J50NT

GMC10X7R182J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1800PF 50V X7R 0603

24000

GMC10CG151J50NT

GMC10CG151J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 150PF 50V C0G/NP0 0603

288000

GMC21CG392J50NT

GMC21CG392J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 3900PF 50V C0G/NP0 0805

39000

GMC21CG430J50NT

GMC21CG430J50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 43PF 5% 50V

196000

CHV1812N1K0123KXT

CHV1812N1K0123KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.012UF 1KV X7R 1812

0

GMC21Y5V105M50NT

GMC21Y5V105M50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 Y5V 1UF 20% 50V

0

GMC21CG472K16NT

GMC21CG472K16NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 4700PF 10% 16V

498000

GMC21CGR75C50NT

GMC21CGR75C50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG .75PF .25PF 50V

0

GMC21CG1R8D100NT

GMC21CG1R8D100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 1.8PF .25PF 100V

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
RFQ BOM Call Skype Email
Top