Prelim.02/00

BFY50

Website: http://www.semelab.co.uk

MEDIUM POWER AMPLIFIERS

NPN SILICON PLANAR

TRANSISTOR

Description

The BFY50 is a Silicon Planar Epitaxial NPN

Transistor in Jedec TO39 metal case. they

are intended for general purpose linear and

switching applications

Collector Current

Collector Peak Current

Storage and Operatuing Junction Temperature

Thermal Resistance Junction to Case

Thermal Resistance Junction to Ambient

80V

35V

6V

1A

1.5A

0.8W

5W

–65 to 200°C

35°C / W

218°C / W

MECHANICAL DATA

Dimensions in mm (inches)

TO39 PACKAGE

Pin 1 = Emitter

Underside View

Pin 2 = Base

Pin 3 = Collector

0.89

(0.035)

max.

0.66 (0.026)

1.14 (0.045)

0.71 (0.028)

0.86 (0.034)

2.54

(0.100)

5.08 (0.200)

typ.

45˚

12.70

(0.500)

min.

4.19 (0.165)

4.95 (0.195)

8.89 (0.35)

9.40 (0.37)

7.75 (0.305)

8.51 (0.335)

7.75 (0.305)

8.51 (0.335)

dia.

1

2

3