Application Guide for WIMA Capacitors

Capacitor purpose	Circuit application	Waveform	Capacitor electrical requirements	WIMA types

Coupling or blocking			High insulation resistance. Low self-inductance. To observe the voltage rating!	SMD MKS 02 MKS 2 MKI 2 MKS 4


Decoupling or bypassing			High insulation resistance. Low self-inductance.	SMD MKS 02 FKS 2 MKS 2 MKI 2 FKS 3 MKS 4


Timing			Stable capacitance. High insulation resistance.	FKP 02 FKM 2 FKP 2 MKP 2 MKI 2 FKP 3 MKM 4 MKP 4


Smoothing			Comparably high capacitance. Low dissipation factor (to observe the frequency).	SMD MKS 02 MKS 2 MKS 4 MKP 4 MKP 10


Energy storage / fast discharge			High pulse rise time rating. High (surge) current carrying capacity. (please refer to technical data)	MKP 2 (>250VDC) MKP 10 FKP 4 FKP 1 SnubberMKP SnubberFKP GTO MKP


Sample and hold A-D converters Peak voltage detectors			Low dielectric absorption. High insulation resistance.	FKP 02 FKP 2 MKP 2 FKP 3 MKP 4


RFI suppression			Particularly high reliability against active and passive flammability.	MKP-X2 MKP-X2 R MKP-Y2 MP 3-X2 MP 3-X1 MP 3-Y2 MP 3R-Y2


Voltage dropper			Good reliability. Flame retardant. (please check if approvals are required)	MKP-X2 MKP-X2 R MP 3-X2 (MP3-X1) Capacitance range >1.0µF MKS 4 (>630VDC, >PCM 10)


Oscillating			Low dissipation factor. Stable capacitance. (please refer to technical data)	SMD-PPS FKP 02 FKP 2 MKP 2 (>250VDC) MKI 2 FKP 3 MKP 4 MKP 10 FKP 4 FKP 1


Temperature compensating (compensates for temperature changes in other components e.g. ferrite coils)			Normally defined negative temperature characteristic. Sometimes positive characteristics needed.	FKP 02 FKP 2 MKP 2 FKP 3 MKP 4


TV fly-back tuning (1)			Low dissipation factor. High pulse rise time rating. High dielectric strength.	MKP 10 FKP 4 FKP 1


TV S-correction (2)			Low dissipation factor. Good pulse rise time rating.	MKP 4 MKP 10


Snubbing			Low dissipation factor. High pulse rise time rating. (please refer to technical data)	FKP 02 FKP 2 MKP 2 (>250VDC) FKP 3 MKP 10 FKP 4 FKP 1 SnubberMKP SnubberFKP GTO MKP


Filtering Pass filter			Low dissipation factor. Stable capacitance.	SMD-PPS FKP 02 FKP 2 MKP 2 MKI 2 FKP 3 MKP 4


Filtering Stop filter			Low dissipation factor. Stable capacitance.	SMD-PPS FKP 02 FKP 2 MKP 2 MKI 2 FKP 3 MKP 4