Ceramic Capacitors

Part Number	Description / PDF	Quantity
FG28X7R1H683KNT06 TDK Corporation	CAP CER 0.068UF 50V X7R RADIAL	3973
C5750X7T2E155K200KA TDK Corporation	CAP CER 1.5UF 250V X7T 2220	65
FK26X7R1H155KR000 TDK Corporation	CAP CER 1.5UF 50V X7R RADIAL	0
CGA3E2X8R2A472K080AE TDK Corporation	CAP CER 4700PF 100V X8R 0603	7910
CGA3E3X8R2A333M080AB TDK Corporation	CAP CER 0.033UF 100V X8R 0603	0
C3216X7R1H225K160AB TDK Corporation	CAP CER 2.2UF 50V X7R 1206	2215
C1608C0G1H820J080AA TDK Corporation	CAP CER 82PF 50V C0G 0603	0
FG26C0G2A333JNT00 TDK Corporation	CAP CER 0.033UF 100V C0G RADIAL	0
CGA4J4X7T2W473K125AE TDK Corporation	CAP CER 0.047UF 450V X7T 0805	6915
FK18X7R1H473KN006 TDK Corporation	CAP CER 0.047UF 50V X7R RADIAL	0
C1608JB1H224M080AB TDK Corporation	CAP CER 0.22UF 50V JB 0603	3134
FG28C0G1H332JNT00 TDK Corporation	CAP CER 3300PF 50V C0G RADIAL	755
C1005X7R1V153K050BB TDK Corporation	CAP CER 0.015UF 35V X7R 0402	11607
CGJ3E3C0G2D101J080AA TDK Corporation	CAP CER 100PF 200V C0G 0603	8061
FK18C0G2E121JN006 TDK Corporation	CAP CER 120PF 250V C0G RADIAL	0
FK14X7R1E474KN006 TDK Corporation	CAP CER 0.47UF 25V X7R RADIAL	0
FG28C0G2A680JNT06 TDK Corporation	CAP CER 68PF 100V C0G RADIAL	1858
CGA4J2NP01H223J125AA TDK Corporation	CAP CER 0.022UF 50V NP0 0805	2833
C2012X7R1C105K085AC TDK Corporation	CAP CER 1UF 16V X7R 0805	1885
CGJ3E3C0G2D221J080AA TDK Corporation	CAP CER 220PF 200V C0G 0603	4335

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