Snubber film capacitors 125K are double-sided metallized polypropylene film capacitors used in power conversion applications requiring stable capacitance and low dissipation factor to handle high voltage, high dV/dt and high ripple current.

An IGBT snubber capacitor is a type of capacitor that is used in a snubber circuit to protect Insulated Gate Bipolar Transistor (IGBT) devices from voltage transients and overvoltage events.

IGBTs are widely used in applications such as motor drives, power supplies, and renewable energy systems, and they can be susceptible to damage from voltage spikes and ringing caused by inductive loads and other factors. IGBT snubber capacitors are used to reduce high-frequency noise and ringing in the circuit, which can cause voltage transients that may damage the IGBT.

IGBT snubber capacitors are typically designed to have a low equivalent series resistance (ESR), which helps to improve their high-frequency noise filtering capabilities, and a high voltage rating, which enables them to withstand the high voltages that can occur in the circuit. These capacitors may also have a low inductance to reduce ringing in the circuit.

The value of the snubber capacitor used in an IGBT snubber circuit depends on the specific application and the voltage and current ratings of the IGBTs. The snubber capacitor is typically connected in parallel with the IGBT device, between the collector and emitter terminals.

Overall, IGBT snubber capacitors are important components in IGBT snubber circuits, helping to protect IGBT devices from voltage transients and overvoltage events, which can improve the reliability and performance of the overall circuit.