Document Numer 3085

Issue 1

BFY50

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

Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed

to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.

Semelab encourages customers to verify that datasheets are current before placing orders.

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 (TO-205AD)

Pin 1 = Emitter

Underside View

Pin 2 = Base

Pin 3 = Collector

0.89

(0.035)

max.

12.70

(0.500)

min.

0.41 (0.016)

0.53 (0.021)

dia.

5.08 (0.200)

typ.

0.71 (0.028)

0.86 (0.034)

2.54

(0.100)

45°

6.10 (0.240)

6.60 (0.260)

8.51 (0.34)

9.40 (0.37)

7.75 (0.305)

8.51 (0.335)

1

2

3

0.74 (0.029)

1.14 (0.045)