Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC21X7R274K25NT

GMC21X7R274K25NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .27UF 10% 25V

142000

GMC10X7R562K50NTD

GMC10X7R562K50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 5600PF 50V X7R 0603

400000

GMC21CG9R0D100NT

GMC21CG9R0D100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 9PF .5PF 100V

0

CHV0603N250102KXT

CHV0603N250102KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 1000PF 250V X7R 0603

40000

GMC21X7R153K50NT

GMC21X7R153K50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R .015UF 10% 50V

492000

GMC10X7R391K50NT

GMC10X7R391K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 390PF 50V X7R 0603

120000

GMC21X7R682K200NT

GMC21X7R682K200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 6800PF 10% 200V

12000

GMC21CG223J100NT

GMC21CG223J100NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG .022UF 5% 100V

36000

GMC10CG111J100NT

GMC10CG111J100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 110PF 100V C0G/NP0 0603

272000

GMC10X7R102K200NT

GMC10X7R102K200NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1000PF 200V X7R 0603

7912000

GMC10CG8R2C50NT

GMC10CG8R2C50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 8.2PF 50V C0G/NP0 0603

136000

GMC10Y5V104Z50NTD

GMC10Y5V104Z50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 0.1UF 50V Y5V 0603

1460000

GMC21CG471J50NTD

GMC21CG471J50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 470PF 5% 50V

0

GMC21CG510J200NT

GMC21CG510J200NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 51PF 5% 200V

0

CHV1206N500181JCT

CHV1206N500181JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 180PF 500V C0G/NP0 1206

40000

CHV1812N1K0273KXT

CHV1812N1K0273KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.027UF 1KV X7R 1812

0

GMC21CG200K50NT

GMC21CG200K50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 20PF 10% 50V

0

CHV1210N1K0102KXT

CHV1210N1K0102KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 1000PF 1KV X7R 1210

57000

GMC10CG3R3B100NT

GMC10CG3R3B100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 3.3PF 100V C0G/NP0 0603

336000

GMC21Y5V475Z16NT

GMC21Y5V475Z16NT

CAL-CHIP ELECTRONICS INC.

CAP0805 Y5V 4.7UF Z-TOL 16V

122000

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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