Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
M39014/021354

M39014/021354

Cornell Dubilier Electronics

CAP CER 150000UF 50V RADIAL

0

M39014/021321

M39014/021321

Cornell Dubilier Electronics

CAP CER 1200UF 200V RADIAL

0

M39014/021350V

M39014/021350V

Cornell Dubilier Electronics

CAP CER 0.1UF 100V BX RADIAL

0

M39014/011334

M39014/011334

Cornell Dubilier Electronics

CAP CER 47UF 200V RADIAL

0

M39014/011537

M39014/011537

Cornell Dubilier Electronics

CAP CER 12000UF 50V RADIAL

0

C0603C224M3VAC

C0603C224M3VAC

Cornell Dubilier Electronics

CAP CER 0.22UF 25V Y5V 0603

0

C0603C154M8VAC

C0603C154M8VAC

Cornell Dubilier Electronics

CAP CER 0.15UF 10V Y5V 0603

0

M39014/011304

M39014/011304

Cornell Dubilier Electronics

CAP CER 180UF 200V RADIAL

0

M39014/021300

M39014/021300

Cornell Dubilier Electronics

CAP CER 0.015UF 100V BX RADIAL

0

GM101K

GM101K

Cornell Dubilier Electronics

CAP CER 100PF 500V Y5P RADIAL

0

M39014/021344

M39014/021344

Cornell Dubilier Electronics

CAP CER 0.039UF 100V BX RADIAL

0

M50R334K2-F

M50R334K2-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

C0603C222J5RAC

C0603C222J5RAC

Cornell Dubilier Electronics

CAP CER 2200PF 50V X7R 0603

0

M39014/021293

M39014/021293

Cornell Dubilier Electronics

CAP CER 4700UF 200V RADIAL

0

M22G270J2-F

M22G270J2-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

M39014/052039

M39014/052039

Cornell Dubilier Electronics

CAP CER 1200UF 100V RADIAL

0

M39014/021342

M39014/021342

Cornell Dubilier Electronics

CAP CER 0.022UF 100V BX RADIAL

0

M39014/011531

M39014/011531

Cornell Dubilier Electronics

CAP CER 5600UF 100V RADIAL

0

GE330K

GE330K

Cornell Dubilier Electronics

CAP CER 33PF 50V SL RADIAL

0

M22G561J2-F

M22G561J2-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC 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
RFQ BOM Call Skype Email
Top