BUD742 is a high voltage switching transistor produced by Vishay Telefunken. It has the characteristics of high switching frequency, low switching losses, low dynamic saturation, and low operating temperature. It is mainly used in electronic lamp ballast circuits and switch-mode power supplies.
This document is a datasheet for the Vishay BUD742, a Silicon NPN High Voltage Switching Transistor. It features Simple-Switch-Off Transistor (SWOT) technology and is designed for applications such as electronic lamp ballast circuits and switch-mode power supplies.
The document provides absolute maximum ratings, including a collector-emitter voltage of 400V and a total power dissipation of 40W. It also lists electrical characteristics, switching characteristics for resistive and inductive loads, and typical performance curves.
| Collector-emitter voltage | 400 V |
|---|---|
| Total power dissipation | 40 W |
| Collector current | 5 A |
| Junction temperature | 150 °C |
The maximum total power dissipation is 40 W.
The maximum junction temperature is 150 °C.