BD544, BD544A, BD544B, BD544C

PNP SILICON POWER TRANSISTORS

PRODUCT

INFORMATION

1

JUNE 1973 - REVISED MARCH 1997

Copyright © 1997, Power Innovations Limited, UK

Information is current as of publication date. Products conform to specifications in accordance

with the terms of Power Innovations standard warranty. Production processing does not

necessarily include testing of all parameters.

q

Designed for Complementary Use with the

BD543 Series

q

70 W at 25°C Case Temperature

q

8 A Continuous Collector Current

q

10 A Peak Collector Current

q

Customer-Specified Selections Available

B

C

E

TO-220 PACKAGE

(TOP VIEW)

Pin 2 is in electrical contact with the mounting base.

MDTRACA

1

2

3

absolute maximum ratings

at 25°C case temperature (unless otherwise noted)

2. Derate linearly to 150°C case temperature at the rate of 0.56 W/°C.

3. Derate linearly to 150°C free air temperature at the rate of 16 mW/°C.

RATING

SYMBOL

VALUE

UNIT

BD544

BD544A

BD544B

BD544C

-40

-60

-80

-100

V

BD544

BD544A

BD544B

BD544C

-40

-60

-80

-100

V

Emitter-base voltage

-5

V

Continuous collector current

-8

A

Peak collector current (see Note 1)

-10

A

Continuous device dissipation at (or below) 25°C case temperature (see Note 2)

70

W

Continuous device dissipation at (or below) 25°C free air temperature (see Note 3)

2

W

Operating free air temperature range

-65 to +150

°C

Operating junction temperature range

-65 to +150

°C

Storage temperature range

-65 to +150

°C

Lead temperature 3.2 mm from case for 10 seconds

260

°C