The two series of devices, designated K31 and K32, are rated for voltages (VDC) ranging from 600 to 1300V. The general purpose K31 devices support a high ripple current up to 100A, a temperature of +85ºC and are available in the 120uF to 1000uF capacitance range. The high frequency K32 devices come in a capacitance range of 100uF to 1000uF. The primary difference between the K31 and K32 series is that the K31 series is designed for low and medium frequency switching (less than 15 kHz), while the K32 series is designed for high frequencies (exceeding 15 kHz). Kendeil's K32 series also uses segmented metalized polypropylene, which offers the advantages of controlled capacitance loss and open circuit protection.
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