They stabilize voltages and filter signals in electronic circuits. They are measured in farads and some have polarity, with a positive and a negative terminal.
Designed for high-power converters, Exxelia Alcon Electronics Pvt Ltd’s IGBT snubber capacitors (MP-4, MP-4A, KPF and KPF-9 series) utilise a low-loss polypropylene film dielectric.