BU208D

BU508D/BU508DFI

HIGH VOLTAGE FAST-SWITCHING

NPN POWER TRANSISTORS

s

BU208D AND BU508DFI ARE STM

PREFERRED SALESTYPES

s

HIGH VOLTAGE CAPABILITY

s

U.L. RECOGNISED ISOWATT218 PACKAGE

(U.L. FILE # E81734 (N)

s

JEDEC TO-3 METAL CASE

s

NPN TRANSISTOR WITH INTEGRATED

FREEWHEELING DIODE

APPLICATIONS:

s

HORIZONTAL DEFLECTION FOR COLOUR

TV

DESCRIPTION

The BU208D, BU508D and BU508DFI are

manufactured

using

Multiepitaxial

Mesa

technology for cost-effective high performance

and uses a Hollow Emitter structure to enhance

switching speeds.

INTERNAL SCHEMATIC DIAGRAM

June 1998

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

1500

V

700

V

10

V

Collect or Current

8

A

15

A

TO - 3

T O - 218

ISOW ATT 218

150

125

50

W

St orage Temperature

-65 to 175 -65 t o 150

-65 to 150

Max. Operating Junction Temperature

175

150

150

1

2

3

TO-218

ISOWATT218

1

2

3

1

2

TO-3

For TO-3 :

C = Tab

E = Pin2.

®

1/8