Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
M22G829D2-F

M22G829D2-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

M39014/021329

M39014/021329

Cornell Dubilier Electronics

CAP CER 3300UF 200V RADIAL

0

M39014/011343

M39014/011343

Cornell Dubilier Electronics

CAP CER 150UF 200V RADIAL

0

M39014/011579

M39014/011579

Cornell Dubilier Electronics

CAP CER 15000UF 50V RADIAL

0

M39014/011320

M39014/011320

Cornell Dubilier Electronics

CAP CER 1500UF 100V RADIAL

0

CK06BX124K

CK06BX124K

Cornell Dubilier Electronics

CAP CER 0.12UF 50V 10% RADIAL

0

M39014/011358

M39014/011358

Cornell Dubilier Electronics

CAP CER 1000UF 200V RADIAL

0

M39014/011327

M39014/011327

Cornell Dubilier Electronics

CAP CER 22UF 200V RADIAL

0

M39014/021298

M39014/021298

Cornell Dubilier Electronics

CAP CER 10000PF 200V BX RADIAL

0

M39014/011339

M39014/011339

Cornell Dubilier Electronics

CAP CER 100UF 200V RADIAL

0

M20R224K5-F

M20R224K5-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

M39014/011529

M39014/011529

Cornell Dubilier Electronics

CAP CER 4700UF 100V RADIAL

0

M40G473J1-F

M40G473J1-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

P103MU-RCT-F

P103MU-RCT-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

C0603C181J1GAC

C0603C181J1GAC

Cornell Dubilier Electronics

CAP CER 180PF 100V NP0 0603

0

M39014/011308

M39014/011308

Cornell Dubilier Electronics

CAP CER 330PF 200V BX RADIAL

0

C0603C154Z8VAC

C0603C154Z8VAC

Cornell Dubilier Electronics

CAP CER 0.15UF 10V Y5V 0603

0

M39014/011538

M39014/011538

Cornell Dubilier Electronics

CAP CER 15000UF 50V RADIAL

0

M39014/011286

M39014/011286

Cornell Dubilier Electronics

CAP CER 18UF 200V RADIAL

0

M39014/011295

M39014/011295

Cornell Dubilier Electronics

CAP CER 56UF 200V RADIAL

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
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