BFX34
MECHANICAL DATA
Dimensions in mm (inches)
HIGH CURRENT GENERAL
PURPOSE TRANSISTOR
DESCRIPTION:
The BFX34 is a silicon Epitaxial Planar NPN
transistor in a TO-39 case, intended for high
current applications.
8.51 (0.34)
9.40 (0.37)
7.75 (0.305)
8.51 (0.335)
6.10 (0.240)
6.60 (0.260)
12.70
(0.500)
min.
0.89
max.
(0.035)
0.41 (0.016)
0.53 (0.021)
dia.
Very low saturation voltage and high speed
at high current levels make it ideal for power
drivers, power amplifiers, switching power
supplies and relay drive inverters.
5.08 (0.200)
typ.
2
1
0.74 (0.029)
1.14 (0.045)
0.71 (0.028)
0.86 (0.034)
2.54
(0.100)
3
FEATURES
• SILICON EPITAXIAL NPN TRANSISTOR
• HIGH SPEED, LOW SATURATION SWITCH
• CECC SCREENING OPTIONS
45°
TO39 (TO-205AD) Package
Underside View
PIN 2 – BASE
PIN1 – EMITTER
PIN 3 – COLLECTOR
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25°C unless otherwise stated)
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
B
P
tot
T
STG
T
J
Collector – Base Voltage (I
E
= 0)
Collector – Emitter Voltage (I
B
= 0)
Emitter – Base Voltage (I
C
= 0)
Continious Collector Current
Peak Repetitive Collector Current
Continious Base Current
Total Device Dissipation
@ T
A
≤
25°C
@ T
C
≤
25°C
Storage Temperature Range
Junction Temperature
120V
60V
6V
2A
5A
1A
0.87W
5W
–65 to +200°C
200°C
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.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Document Number 5569
Issue 1
STMICROELECTRONICS [ STMICROELECTRONICS ]
