Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC10X7R474J50NT

GMC10X7R474J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.47UF 50V X7R 0603

56000

GMC10CG200J25NT

GMC10CG200J25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 20PF 25V C0G/NP0 0603

44000

GMC04CG681F50NT

GMC04CG681F50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 680PF 50V C0G/NP0 0402

40000

GMC04X7R391K10NT

GMC04X7R391K10NT

CAL-CHIP ELECTRONICS INC.

CAP CER 390PF 10V X7R 0402

0

GMC10CG100D50NT

GMC10CG100D50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 10PF 50V C0G/NP0 0603

1956000

CHV0603N250102MXT

CHV0603N250102MXT

CAL-CHIP ELECTRONICS INC.

CAP CER 1000PF 250V X7R 0603

40000

GMC21CG131J100NTQ

GMC21CG131J100NTQ

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 130PF 5% 100V

100000

GMC21CG271J50NTD

GMC21CG271J50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 270PF 5% 50V

0

GMC10Y5V154Z16NT

GMC10Y5V154Z16NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.15UF 16V Y5V 0603

816000

GMC21CG3R3B50NT

GMC21CG3R3B50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 3.3PF .1PF 50V

104000

CHV2225N3K0103KXT

CHV2225N3K0103KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 10000PF 3KV X7R 2225

0

GMC10X5R124K10NT

GMC10X5R124K10NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.12UF 10V X5R 0603

124000

CHV0805N500472JXT

CHV0805N500472JXT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 500V X7R 0805

40000

GMC10CG6R2C100NT

GMC10CG6R2C100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 6.2PF 100V C0G/NP0 0603

84000

CHV1812N500221KCT

CHV1812N500221KCT

CAL-CHIP ELECTRONICS INC.

CAP CER 220PF 500V C0G/NP0 1812

15000

GMC21CG150G50NTD

GMC21CG150G50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 15PF 2% 50V

0

CHV1812N1K0682KXT

CHV1812N1K0682KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 6800PF 1KV X7R 1812

0

GMC21CG220K50NT

GMC21CG220K50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 22PF 10% 50V

4000

GMC21X7R184M10NT

GMC21X7R184M10NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .18UF 20% 10V

18000

CHV1206N500472KXT

CHV1206N500472KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 4700PF 500V X7R 1206

252000

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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