Ceramic Capacitors

Image	Part Number	Description / PDF	Quantity	Rfq
	ECJ-2VB1C823K Panasonic	CAP CER 0.082UF 16V X7R 0805	0
	ECJ-0EC1H220J Panasonic	CAP CER 22PF 50V C0G/NP0 0402	0
	ECJ-1VB1C153K Panasonic	CAP CER 0.015UF 16V X7R 0603	0
	ECC-A3J220JGE Panasonic	CAP CER 22PF 6KV SL/GP RADIAL	0
	ECC-D3D470JGE Panasonic	CAP CER 47PF 2KV SL/GP RADIAL	0
	ECJ-2VB2D152K Panasonic	CAP CER 1500PF 200V X7R 0805	0
	ECJ-3FB2D153K Panasonic	CAP CER 0.015UF 200V X7R 1206	0
	ECC-T3F180JG Panasonic	CAP CER 18PF 3KV SL/GP SMD	0
	ECJ-3YF1C106Z Panasonic	CAP CER 10UF 16V Y5V 1206	0
	ECJ-0EC1H090D Panasonic	CAP CER 9PF 50V C0H 0402	0
	ECJ-1VC1H030C Panasonic	CAP CER 3PF 50V C0G/NP0 0603	0
	ECK-A3A332KBP Panasonic	CAP CER 3300PF 1KV Y5P RADIAL	0
	ECJ-ZEC1E080D Panasonic	CAP CER 8PF 25V C0H 0201	0
	ECK-D3A332KBP Panasonic	CAP CER 3300PF 1KV Y5P RADIAL	0
	ECJ-ZEB1C222K Panasonic	CAP CER 2200PF 16V X7R 0201	0
	ECJ-2VC1H050C Panasonic	CAP CER 5PF 50V C0G/NP0 0805	0
	ECK-A3D271KBP Panasonic	CAP CER 270PF 2KV Y5P RADIAL	0
	ECJ-2VB2A472K Panasonic	CAP CER 4700PF 100V X7R 0805	0
	ECC-D3A121JGE Panasonic	CAP CER 120PF 1KV SL/GP RADIAL	0
	ECJ-GVB1C225M Panasonic	CAP CER 2.2UF 16V X5R 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