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Due to their typical circuit position AC filter capacitors have to exhibit good high-frequency characteristics and at the same time high AC voltage capabilities. They in general fulfil two requirements:
WIMA filter capacitors are designed on the basis of low-loss Polypropylene film and exhibit high AC current capability at high frequencies as well as low ESL and ESR values. The 440 VAC range has an internal series connection and stands out for an increased corona discharge inception voltage.
WIMA capacitors are produced with the proven box technology using solvent-resistant, flame-retardant plastic cases according to UL 94 V-0. They are environmentally compatible with the RoHS 2011/65/EU regulations of the European Union.
|Test category in accordance with IEC||55/105/56|
|Temperature range||-55°C to +105°C|
|Dissipat. factor tanδ at 1 kHz and +20°C||< 5 x 10-4 (PCM 27.5)
< 10 x 10-4 (PCM 37.5)
< 15 x 10-4 (PCM 52.5)
|Insulation resistance at+20°C*||> 30000 sec|
|Voltage ranges VAC
|Capacitance tolerances||±20%, ±10%, ±5%|