The ST303C..L series is a 515A inverter grade thyristor produced by IRF. It features metal case, ceramic insulation, international standard TO-200AC (B-PUK) case, center amplifying gate, high dV/dt, high dI/dt, low thermal resistance and other features.
This document is a technical data book for the International Rectifier ST303C..L Series Inverter Grade Thyristors. It details features such as metal case construction with ceramic insulators and TO-200AC packaging.
The text provides major ratings including average on-state current of 515A, RMS current of 995A, and peak surge currents up to 8320A. It also lists typical applications like inverters, choppers, and induction heating.
| Max. average on-state current | 515 A (190) |
|---|---|
| Max. RMS on-state current | 995 A |
| Max. peak, one half cycle non-repetitive surge current | 8320 A |
| Max. operating temperature range | -40 to 125 °C |
| Case style | TO-200AC (B-PUK) |
| Max. thermal resistance junction to heatsink | 0.11 K/W |
| Maximum peak gate power | 60 W |
Typical applications include inverters, choppers, induction heating, and all types of force-commutated converters.
The maximum operating temperature range is from -40 to 125 °C.
Yes, the document explicitly lists Inverters as a typical application for this series.