Ceramic Capacitors

Part Number	Description / PDF	Quantity
SMC1206Z224 NTE Electronics, Inc.	CAP CER 0.22UF 50V Z5U 1206	2920
CML683M50 NTE Electronics, Inc.	CAP CER 0.068UF 50V Z5U RADIAL	1012
CML225M50 NTE Electronics, Inc.	CAP CER 2.2UF 50V Z5U RADIAL	1539
CML224M50 NTE Electronics, Inc.	CAP CER 0.22UF 50V Z5U RADIAL	596
SMC0805J151 NTE Electronics, Inc.	CAP CER 150PF 50V C0G/NP0 0805	802
SMC0805J270 NTE Electronics, Inc.	CAP CER 27PF 50V C0G/NP0 0805	1390
90320 NTE Electronics, Inc.	CAP CER 0.02UF 1KV Z5V RADIAL	1195
9003D0 NTE Electronics, Inc.	CAP CER 3PF 1KV SL RADIAL	641
90024 NTE Electronics, Inc.	CAP CER 24PF 1KV SL RADIAL	316
9004D0 NTE Electronics, Inc.	CAP CER 4PF 1KV SL RADIAL	165
CML471J100 NTE Electronics, Inc.	CAP CER 470PF 100V C0G/NP0 RAD	490
SMC0805J121 NTE Electronics, Inc.	CAP CER 120PF 50V C0G/NP0 0805	2060
SMC0805K122 NTE Electronics, Inc.	CAP CER 1200PF 50V C0G/NP0 0805	3673
SMC0805C2D7 NTE Electronics, Inc.	CAP CER 2.7PF 50V C0G/NP0 0805	2385
90218 NTE Electronics, Inc.	CAP CER 1800PF 1KV Z5V RADIAL	173
SMC0805Z334 NTE Electronics, Inc.	CAP CER 0.33UF 50V Y5V 0805	2912
SMC1206C1D5 NTE Electronics, Inc.	CAP CER 1.5PF 50V C0G/NP0 1206	1260
SMC0805K222 NTE Electronics, Inc.	CAP CER 2200PF 50V X7R 0805	263
SMC0805J561 NTE Electronics, Inc.	CAP CER 560PF 50V C0G/NP0 0805	1210
CML152J100 NTE Electronics, Inc.	CAP CER 1500PF 100V C0G/NP0 RAD	681

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