Ceramic Capacitors

Image Part Number Description / PDF Quantity Rfq
SMC0805J101

SMC0805J101

NTE Electronics, Inc.

CAP CER 100PF 50V C0G/NP0 0805

968

SMC0805K182

SMC0805K182

NTE Electronics, Inc.

CAP CER 1800PF 50V X7R 0805

2340

SMC1206J120

SMC1206J120

NTE Electronics, Inc.

CAP CER 12PF 50V C0G/NP0 1206

1556

SMC1206C8D2

SMC1206C8D2

NTE Electronics, Inc.

CAP CER 8.2PF 50V C0G/NP0 1206

1700

SMC1206K472

SMC1206K472

NTE Electronics, Inc.

CAP CER 4700PF 50V X7R 1206

966

9005D0

9005D0

NTE Electronics, Inc.

CAP CER 5PF 1KV SL RADIAL

706

89168

89168

NTE Electronics, Inc.

CAP CER 680PF 50V YSP RADIAL

1316

SMC0805J150

SMC0805J150

NTE Electronics, Inc.

CAP CER 15PF 50V C0G/NP0 0805

406

SMC1206J331

SMC1206J331

NTE Electronics, Inc.

CAP CER 330PF 50V C0G/NP0 1206

1934

SMC0805J300

SMC0805J300

NTE Electronics, Inc.

CAP CER 30PF 50V C0G/NP0 0805

2455

90322

90322

NTE Electronics, Inc.

CAP CER 0.022UF 1KV Z5V RADIAL

545

CML102J100

CML102J100

NTE Electronics, Inc.

CAP CER 1000PF 100V C0G/NP0 RAD

1848

SMC1206J200

SMC1206J200

NTE Electronics, Inc.

CAP CER 20PF 50V C0G/NP0 1206

2136

9003D3

9003D3

NTE Electronics, Inc.

CAP CER 3.3PF 1KV SL RADIAL

227

SMC1206J220

SMC1206J220

NTE Electronics, Inc.

CAP CER 22PF 50V C0G/NP0 1206

976

CML333K100

CML333K100

NTE Electronics, Inc.

CAP CER 0.033UF 100V X7R RADIAL

600

CML333J100

CML333J100

NTE Electronics, Inc.

CAP CER 0.033UF 100V C0G/NP0 RAD

519

89310

89310

NTE Electronics, Inc.

CAP CER 10000PF 50V YSP RADIAL

0

89215

89215

NTE Electronics, Inc.

CAP CER 1500PF 50V YSP RADIAL

768

CML153K100

CML153K100

NTE Electronics, Inc.

CAP CER 0.015UF 100V X7R RADIAL

521

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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