We tend to have a large, varied collection of these items. We have some stock that is specifically for items we produce. We also have left overs from parts purchased for repairs and lots of instances of parts robbed from discarded equipment. Semiconductors - IGBTs - SCRs - MOSFETs - Thyristor diode modules - Diodes Parameters: Voltage Rating, Current Rating, Switching frequency, Type, Package, Number of devices in the package Transformers - Mains Transformer - PCB mount - Variac - Tools - Isolation Transformer - Tools - Display Transformers - Pulse Transformers - Gate Firing - Current Transformers - Sensor Inductors - Chokes Resistors - Braking - Soft Start Capacitors - DC Bus