ST300S series is a large-power thyristor launched by irf. It adopts TO-209AE (TO-118) package. The rated current is 300A and the rated voltage is 400-2000V. It has the characteristics of center amplifying gate, ceramic insulator, compressed bonded encapsulation, etc. It is suitable for DC motor control, DC power supply control, AC control and other fields.
This document provides technical specifications, electrical characteristics, and thermal data for the International Rectifier ST300S Series Phase Control Thyristors. The devices are designed with a center amplifying gate and feature a hermetic metal case with ceramic insulator in a TO-209AE (TO-118) package.
Key ratings include a maximum average on-state current of 300 A at a case temperature of 75 °C. The thyristors support various voltage ratings from 400 V to 2000 V and are intended for applications such as DC motor controls, controlled DC power supplies, and AC controllers.
| Max. average on-state current | 300 A |
|---|---|
| Max. RMS on-state current | 470 A |
| Operating temperature range | -40 to 125 °C |
| Case style | TO-209AE (TO-118) |
| Mounting threads | UNF 3/4 - 16UNF2A or ISO M24x1.5 |
The maximum average on-state current is 300 A.
The maximum non-repetitive surge current is 8000 A.
The maximum operating temperature range is -40 to 125 °C.