Ceramic Capacitors

Part Number	Description / PDF	Quantity
201R15N151KV4T Johanson Dielectrics, Inc.	CAP CER 150PF 200V C0G/NP0 0805	0
102R29N470KV4E Johanson Dielectrics, Inc.	CAP CER 47PF 1KV C0G/NP0 1808	5
160R15W474KV4E Johanson Dielectrics, Inc.	CAP CER 0.47UF 16V X7R 0805	2345
101X14N330MV4T Johanson Dielectrics, Inc.	CAP CER 33PF 100V C0G/NP0 0603	0
160R07W103KV4T Johanson Dielectrics, Inc.	CAP CER 10000PF 16V X7R 0402	195768
501R15W103KV4E Johanson Dielectrics, Inc.	CAP CER 10000PF 500V X7R 0805	1781
202S41W222KV4E Johanson Dielectrics, Inc.	CAP CER 2200PF 2KV X7R 1210	200654
250R18W334KV4E Johanson Dielectrics, Inc.	CAP CER 0.33UF 25V X7R 1206	0
302S43W332KV4E Johanson Dielectrics, Inc.	CAP CER 3300PF 3KV X7R 1812	0
500R15W102KV4T Johanson Dielectrics, Inc.	CAP CER 1000PF 50V X7R 0805	254
500R14N100JV4T Johanson Dielectrics, Inc.	CAP CER 10PF 50V C0G/NP0 0603	225151
500R14W103KV4T Johanson Dielectrics, Inc.	CAP CER 10000PF 50V X7R 0603	0
101X14W222MV4T Johanson Dielectrics, Inc.	CAP CER 2200PF 100V X7R 0603	8488
500R18W103KV4T Johanson Dielectrics, Inc.	CAP CER 10000PF 50V X7R 1206	0
100X18W474MV4E Johanson Dielectrics, Inc.	CAP CER 0.47UF 10V X7R 1206	0
502R30W471KV3E-****-SC Johanson Dielectrics, Inc.	CAP CER 470PF 250V X7R 2211	0
101X14W472MV4T Johanson Dielectrics, Inc.	CAP CER 4700PF 100V X7R 0603	0
501S43N472KV4E Johanson Dielectrics, Inc.	CAP CER 4700PF 500V C0G/NP0 1812	28
302S48W222KV4E Johanson Dielectrics, Inc.	CAP CER 2200PF 3KV X7R 2225	0
500R15N101GV4T Johanson Dielectrics, Inc.	CAP CER 100PF 50V NP0 0805	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