ST901T

HIGH VOLTAGE IGNITION COIL DRIVER

NPN POWER DARLINGTON

s

HIGH VOLTAGE SPECIAL DARLINGTON

STRUCTURE

s

VERY RUGGED BIPOLAR TECHNOLOGY

s

HIGH OPERATING JUNCTION

TEMPERATURE

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HIGH DC CURRENT GAIN

APPLICATION

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HIGH RUGGEDNESS ELECTRONIC

IGNITION FOR SMALL ENGINES

DESCRIPTION

The ST901T is a high voltage NPN silicon

transistor

in

monolithic

special

Darlington

configuration mounted in Jedec TO-220 plastic

package, designed for applications such as

electronic ignition for small engines (scooters,

lawnmowers, chainsaws).

INTERNAL SCHEMATIC DIAGRAM

June 1997

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

500

V

350

V

5

V

Collector Current

4

A

Collector Peak Current

8

A

Base Current

0.5

A

Base Peak Current

2.5

A

W

Storage Temperature

-65 to 175

Max. Operating Junction Temperature

175

1

2

3

TO-220

1/4