Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
GMC04CG151J100NT

GMC04CG151J100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 150PF 100V C0G/NP0 0402

20000

GMC21X7R221M100NTD

GMC21X7R221M100NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 220PF 20% 100V

0

CHV0805N500820KXT

CHV0805N500820KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 82PF 500V X7R 0805

36000

GMC21X7R332K50NTD

GMC21X7R332K50NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 X7R 3300PF 10% 50V

0

GMC10X7R124K10NT

GMC10X7R124K10NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.12UF 10V X7R 0603

124000

CHV2225N500473KXT

CHV2225N500473KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.047UF 500V X7R 2225

0

GMC21CG471F100NTD

GMC21CG471F100NTD

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 470PF 1% 100V

0

GMC04CG1R2B100NT

GMC04CG1R2B100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1.2PF 100V C0G/NP0 0402

20000

GMC04Y5V474Z16NT

GMC04Y5V474Z16NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.47UF 16V Y5V 0402

4400000

GMC21CG241F50NT

GMC21CG241F50NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 240PF 1% 50V

8000

CHV1808N3K0221KXT

CHV1808N3K0221KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 220PF 3KV X7R 1808

8000

CHV1812N3K0221JCT

CHV1812N3K0221JCT

CAL-CHIP ELECTRONICS INC.

CAP CER 220PF 3KV C0G/NP0 1812

15000

GMC10CG682J50NT

GMC10CG682J50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 6800PF 50V C0G/NP0 0603

0

GMC10X7R152K100NT

GMC10X7R152K100NT

CAL-CHIP ELECTRONICS INC.

CAP CER 1500PF 100V X7R 0603

116000

GMC02X5R333K10NT

GMC02X5R333K10NT

CAL-CHIP ELECTRONICS INC.

CAP CER 0.033UF 10V X5R 0201

3000000

GMC21X5R684K25NT

GMC21X5R684K25NT

CAL-CHIP ELECTRONICS INC.

CAP0805 X5R .68UF 10% 25V

42000

CHV1206N2K0152KXT

CHV1206N2K0152KXT

CAL-CHIP ELECTRONICS INC.

CAP CER 1500PF 2KV X7R 1206

48000

GMC10X7R682J50NTD

GMC10X7R682J50NTD

CAL-CHIP ELECTRONICS INC.

CAP CER 6800PF 50V X7R 0603

0

GMC10CG120K50NT

GMC10CG120K50NT

CAL-CHIP ELECTRONICS INC.

CAP CER 12PF 50V C0G/NP0 0603

392000

GMC21CG682J25NT

GMC21CG682J25NT

CAL-CHIP ELECTRONICS INC.

CAP0805 COG 6800PF 5% 25V

45000

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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