Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC21Y5V154Z16NT

GMC21Y5V154Z16NT

CAL-CHIP ELECTRONICS INC.

CAP0805 Y5V .15UF Z-TOL 16V

0

GMC21CG390J200NT

GMC21CG390J200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 39PF 5% 200V

20000

GMC21CG1R5B50NTD

GMC21CG1R5B50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 1.5PF .1PF 50V

0

CHV1812N500103KXT

CHV1812N500103KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 10000PF 500V X7R 1812

25000

GMC21X7R222K200NT

GMC21X7R222K200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 2200PF 10% 200V

8000

GMC21X7R152K50NTD

GMC21X7R152K50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 1500PF 10% 50V

0

GMC21X7R184K25NT

GMC21X7R184K25NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .18UF 10% 25V

18000

GMC10CG471K50NT

GMC10CG471K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 470PF 50V C0G/NP0 0603

244000

GMC21CG270K100NT

GMC21CG270K100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 27PF 10% 100V

0

GMC04CG200J25NT

GMC04CG200J25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 20PF 25V C0G/NP0 0402

90000

GMC10CG200J16NT

GMC10CG200J16NT

CAL-CHIP ELECTRONICS INC.

CAP CER 20PF 16V C0G/NP0 0603

44000

GMC21CG5R6B50NTD

GMC21CG5R6B50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 5.6PF .1PF 50V

0

CHV1206N250104KXT

CHV1206N250104KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 250V X7R 1206

142000

GMC21CG4R7B50NT

GMC21CG4R7B50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 4.7PF .1PF 50V

56000

GMC04X7R223J25NT

GMC04X7R223J25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.022UF 25V X7R 0402

0

GMC21X7R273J50NT

GMC21X7R273J50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .027UF 5% 50V

36000

CHV1206N500391JCT

CHV1206N500391JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 390PF 500V C0G/NP0 1206

24000

GMC10X7R224K25NT

GMC10X7R224K25NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.22UF 25V X7R 0603

368000

GMC04CG271J100NT

GMC04CG271J100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 270PF 100V C0G/NP0 0402

20000

CHV0805N500331JCT

CHV0805N500331JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 330PF 500V C0G/NP0 0805

32000

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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