Ceramic Capacitors

Part Number	Description / PDF	Quantity
C3216CH2J821J085AA TDK Corporation	CAP CER 820PF 630V CH 1206	3748
UHV-2A TDK Corporation	CAP CER 2500PF 20KV Z5T DISK	165
C3225CH2E473J250AA TDK Corporation	CAP CER 0.047UF 250V CH 1210	1690
CGA2B1X7T0G105M050BC TDK Corporation	AUTOMOTIVE GRADE,0402,X7T,4V,1UF	40145
CGA3E2C0G2A010C080AA TDK Corporation	CAP CER 1PF 100V C0G 0603	12
C1005X5R1E155K050BC TDK Corporation	CAP CER 1.5UF 25V X5R 0402	0
CGJ2B2C0G1H221J050BA TDK Corporation	CAP CER 220PF 50V C0G 0402	63
FA28C0G1H331JNU00 TDK Corporation	CAP CER 330PF 50V C0G RADIAL	1724
C1608X5R1A106M080AC TDK Corporation	CAP CER 10UF 10V X5R 0603	72484
CGA5L4X7T2W104K160AA TDK Corporation	CAP CER 0.1UF 450V X7T 1206	0
CKG57NX7R2J474M500JH TDK Corporation	CAP CER 0.47UF 630V X7R SMD	4866
C3216X7R1A106M085AC TDK Corporation	CAP CER 10UF 10V X7R 1206	3584
CGA8R4NP02E104J320KN TDK Corporation	CAP CER 0.1UF 250V NP0 1812	121
FK26C0G1H103JN006 TDK Corporation	CAP CER 10000PF 50V C0G RADIAL	0
FA26C0G2W822JNU06 TDK Corporation	CAP CER 8200PF 450V C0G RADIAL	0
FG28X7R2A682KNT00 TDK Corporation	CAP CER 6800PF 100V X7R RADIAL	0
FK11C0G1H473JN006 TDK Corporation	CAP CER 0.047UF 50V C0G RADIAL	0
FG18C0G2A330JNT06 TDK Corporation	CAP CER 33PF 100V C0G RADIAL	1104
FG23X7R1H106KRT06 TDK Corporation	CAP CER 10UF 50V X7R RAD	971
C4532X7R2J104K230KM TDK Corporation	CAP CER 0.1UF 630V X7R 1812	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