BUF405A

BUF405AFP

HIGH VOLTAGE FAST-SWITCHING

NPN POWER TRANSISTORS

s

HIGH SWITCHING SPEED NPN POWER

TRANSISTORS

s

EASY TO DRIVE

s

HIGH VOLTAGE FOR OFF-LINE

APPLICATIONS

s

100 KHz SWITCHING SPEED

s

LOW COST DRIVE CIRCUITS

s

LOW DYNAMIC SATURATION

APPLICATIONS:

s

SWITCH MODE POWER SUPPLIES

s

MOTOR DRIVERS

DESCRIPTION

These Easy-to-Drive FASTSWITCH NPN power

transistors

are

specially designed

for

high

reliability industrial and professional power driving

applications such us motor drives and off-line

switching power supplies. ETD transistors will

operate using easy drive circuits at up to 100KHz;

this helps to simplify designs and improve

reliability. The superior switching performance

and low crossover losses reduce dissipation and

consequently lowers the equipment operating

temperature.

®

INTERNAL SCHEMATIC DIAGRAM

January 1999

ABSOLUTE MAXIMUM RATINGS

Symb ol

Parameter

Valu e

Un it

BUF405A

BUF405AF P

1000

V

450

V

7

V

Collector Current

7. 5

A

15

A

Base Current

3

A

4. 5

A

39

W

Storage Temperature

-65 to 150

Max O peration Junction T emperat ure

150

1

2

3

TO-220

TO-220FP

1

2

3

1/6