The TIP122 is an epitaxial planar NPN transistor designed for switching applications such as hammer drivers and pulse motor drivers. It is manufactured by Korea Electronics Co., Ltd. (KEC) and is intended for use in high‑current circuits.
Key electrical characteristics include a collector‑base voltage rating of 100 V, collector‑emitter voltage of 100 V, emitter‑base voltage of 5 V, a minimum DC current gain of 1000 at VCE = 3 V and IC = 3 A, and a maximum collector current of 3 A. The device can dissipate up to 65 W and operates from –55 °C to 150 °C.
| Collector Power Dissipation (Pmax) | 65 W |
|---|---|
| Junction Temperature (Tj) | 150 °C |
It can dissipate up to 65 W of power.