Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
FG28C0G2A100DNT06

FG28C0G2A100DNT06

TDK Corporation

CAP CER 10PF 100V C0G RADIAL

19

CGJ4J2X7R1H224K125AA

CGJ4J2X7R1H224K125AA

TDK Corporation

CAP CER 0.22UF 50V X7R 0805

2298

CGA5L4X7R2J333K160AE

CGA5L4X7R2J333K160AE

TDK Corporation

CAP CER 0.033UF 630V X7R 1206

653

CGA5L3X8R2A334M160AE

CGA5L3X8R2A334M160AE

TDK Corporation

CAP CER 0.33UF 100V X8R 1206

0

C3216X7R2A333K115AM

C3216X7R2A333K115AM

TDK Corporation

CAP CER 0.033UF 100V X7R 1206

4000

FG11X7R1C226MRT00

FG11X7R1C226MRT00

TDK Corporation

CAP CER 22UF 16V X7R RADIAL

0

FA26C0G2W682JNU00

FA26C0G2W682JNU00

TDK Corporation

CAP CER 6800PF 450V C0G RADIAL

0

FK28C0G1H470JN006

FK28C0G1H470JN006

TDK Corporation

CAP CER 47PF 50V C0G RADIAL

0

CGA5L2X7R2A684K160AA

CGA5L2X7R2A684K160AA

TDK Corporation

CAP CER 0.68UF 100V X7R 1206

698

CGJ5L3X7R2D683K160AA

CGJ5L3X7R2D683K160AA

TDK Corporation

CAP CER 0.068UF 200V X7R 1206

1468

FK22C0G2J153JN000

FK22C0G2J153JN000

TDK Corporation

CAP CER 0.015UF 630V C0G RADIAL

0

C0510X7S0G474M030BC

C0510X7S0G474M030BC

TDK Corporation

CAP CER 0.47UF 4V X7S 0204

8740

C3216CH2J182K115AA

C3216CH2J182K115AA

TDK Corporation

CAP CER 1800PF 630V CH 1206

3900

FK11X7R1H475KR006

FK11X7R1H475KR006

TDK Corporation

CAP CER 4.7UF 50V X7R RADIAL

0

CGA6P3X7R1E226M250AB

CGA6P3X7R1E226M250AB

TDK Corporation

CAP CER 22UF 25V X7R 1210

0

C0603JB1E332K030BA

C0603JB1E332K030BA

TDK Corporation

CAP CER 3300PF 25V JB 0201

7430

C2012C0G2E103K125AA

C2012C0G2E103K125AA

TDK Corporation

CAP CER 10000PF 250V C0G 0805

0

FG18C0G1H270JNT00

FG18C0G1H270JNT00

TDK Corporation

CAP CER 27PF 50V C0G RADIAL

1285

FK14X5R1C155KN006

FK14X5R1C155KN006

TDK Corporation

CAP CER 1.5UF 16V X5R RADIAL

0

C2012CH2W121K060AA

C2012CH2W121K060AA

TDK Corporation

CAP CER 120PF 450V CH 0805

6490

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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