Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
M39014/011298

M39014/011298

Cornell Dubilier Electronics

CAP CER 82UF 200V RADIAL

0

CK06BX103M

CK06BX103M

Cornell Dubilier Electronics

CAP CER 10000PF 200V BX RADIAL

0

M39014/021312

M39014/021312

Cornell Dubilier Electronics

CAP CER 0.027UF 100V BX RADIAL

0

M39014/021317

M39014/021317

Cornell Dubilier Electronics

CAP CER 270000UF 50V RADIAL

0

C0603C181K2RAC

C0603C181K2RAC

Cornell Dubilier Electronics

CAP CER 180PF 200V X7R 0603

0

M39014/011305

M39014/011305

Cornell Dubilier Electronics

CAP CER 220UF 200V RADIAL

0

C0603C104M3VAC

C0603C104M3VAC

Cornell Dubilier Electronics

CAP CER 0.1UF 25V Y5V 0603

0

M39014/011296

M39014/011296

Cornell Dubilier Electronics

CAP CER 68UF 200V RADIAL

0

M39014/021330

M39014/021330

Cornell Dubilier Electronics

CAP CER 3300UF 200V RADIAL

0

M20G680K2-F

M20G680K2-F

Cornell Dubilier Electronics

CAPACITOR CERAMIC RADIAL

0

M39014/011344

M39014/011344

Cornell Dubilier Electronics

CAP CER 180UF 200V RADIAL

0

M39014/011534

M39014/011534

Cornell Dubilier Electronics

CAP CER 8200UF 100V RADIAL

0

M39014/021331

M39014/021331

Cornell Dubilier Electronics

CAP CER 3900UF 200V RADIAL

0

M39014/011342

M39014/011342

Cornell Dubilier Electronics

CAP CER 150UF 200V RADIAL

0

M39014/021334

M39014/021334

Cornell Dubilier Electronics

CAP CER 5600UF 200V RADIAL

0

GE101K

GE101K

Cornell Dubilier Electronics

CAP CER 100PF 50V Y5P RADIAL

0

M39014/011325

M39014/011325

Cornell Dubilier Electronics

CAP CER 15UF 200V RADIAL

0

C0603C154Z4VAC

C0603C154Z4VAC

Cornell Dubilier Electronics

CAP CER 0.15UF 16V Y5V 0603

0

M39014/011352

M39014/011352

Cornell Dubilier Electronics

CAP CER 470UF 200V RADIAL

0

M39014/021359

M39014/021359

Cornell Dubilier Electronics

CAP CER 390000UF 50V 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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