ST901T Datasheet PDF – 350V, 4A, NPN, Transistor

Part Number: ST901T, Marking : 901T

Function: High voltage NPN Darlington transistor for ignition coil

Package: TO-220Type

Manufacturer: STMicroelectronics

Image and Pinouts:

ST901T datasheet



This is 350V, 4A, NPN transistor.

The device is a high voltage NPN transistor in monolithic special Darlington configuration designed for applications such as electronic ignition for small engines (scooters, lawnmowers, chainsaws).


1. High voltage special Darlington structure
2. Very rugged bipolar technology
3. High DC current gain

Absolute maximum ratings ( Ta=25°C )

1. Collector to Emitter Voltage: Vceo = 350 V
2. Emitter to Base Voltage: Vebo = 5 V
3. Collector Current: Ic = 4 A
4. Total Dissipation : Ptot = 100 W
5. Junction Temperature: Tj = 150°C
6. Storage Temperature: Tsg = -65 ~ +150°C

Other data sheets are available within the file:

D901T, STD901T


ST901T Datasheet PDF Download

ST901T pdf