BU505

HIGH VOLTAGE NPN MULTIEPITAXIAL

FAST-SWITCHING TRANSISTOR

s

HIGH VOLTAGE CAPABILITY

s

VERY HIGH SWITCHING SPEED

s

LOW BASE-DRIVE REQUIREMENTS

APPLICATIONS

s

ELECTRONIC BALLASTS FOR

FLUORESCENT LIGHTING

s

SWITCH MODE POWER SUPPLIES

DESCRIPTION

The BU505 is a high voltage NPN fastswitching

transistor

designed

to

be

used

in

lighting

application, like electronic ballas for fluorescent

lamps.

Its characteristics make it also ideal for power

supplies.

INTERNAL SCHEMATIC DIAGRAM

July 1997

1

2

3

TO-220

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

1500

V

700

V

Collector Current

2.5

A

4

A

Base Current

1

A

2

A

W

Storage Temperature

-65 to 150

Max. Operating Junction Temperature

150

1/4