Ceramic Capacitors

Part Number	Description / PDF	Quantity
CML154K100 NTE Electronics, Inc.	CAP CER 0.15UF 100V X7R RADIAL	358
90125 NTE Electronics, Inc.	CAP CER 250PF 1KV Y5P RADIAL	0
90115 NTE Electronics, Inc.	CAP CER 150PF 1KV Y5F RADIAL	2206
SMC1206J470 NTE Electronics, Inc.	CAP CER 47PF 50V C0G/NP0 1206	2567
SMC1206J820 NTE Electronics, Inc.	CAP CER 82PF 50V C0G/NP0 1206	1915
90250 NTE Electronics, Inc.	CAP CER 5000PF 1KV Z5V RADIAL	13387
CML222K100 NTE Electronics, Inc.	CAP CER 2200PF 100V X7R RADIAL	365
90110 NTE Electronics, Inc.	CAP CER 100PF 1KV Y5F RADIAL	908
9002D2 NTE Electronics, Inc.	CAP CER 2.2PF 1KV SL RADIAL	699
CML333M50 NTE Electronics, Inc.	CAP CER 0.033UF 50V Z5U RADIAL	182
89410 NTE Electronics, Inc.	CAP CER 0.1UF 50V Y5V RADIAL	904
CML153J100 NTE Electronics, Inc.	CAP CER 0.015UF 100V C0G/NP0 RAD	1663
SMC1206J681 NTE Electronics, Inc.	CAP CER 680PF 50V C0G/NP0 1206	1864
90039 NTE Electronics, Inc.	CAP CER 39PF 1KV SL RADIAL	1795
89222 NTE Electronics, Inc.	CAP CER 2200PF 50V YSP RADIAL	920
CML223K100 NTE Electronics, Inc.	CAP CER 0.022UF 100V X7R RADIAL	656
SMC1206K123 NTE Electronics, Inc.	CAP CER 0.012UF 50V X7R 1206	2810
SMC0805K823 NTE Electronics, Inc.	CAP CER 0.082UF 50V X7R 0805	2540
90243 NTE Electronics, Inc.	CAP CER 4300PF 1KV Z5V RADIAL	1428
SMC0805K123 NTE Electronics, Inc.	CAP CER 0.012UF 50V X7R 0805	2248

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