Description:
The BLW-40 is a silicon NPN transistor in a 
stud mount type package designed for amplifier, 
frequency mul-tiplier, or oscillator applications 
in military and industrial equipment. Suitable 
for use as output or driver in VHF and UHF equipment. 



Max output 40 watts
Collector to basis voltage 12.5V 
Collector to emitter voltage 12.5V 
Max emitter to basis voltage 2V 
Max collector current 2A 
Max junction temperature 200 C 
Max dissipation at 25 C free air 30 W 
Min cut-off frequency 500 MHz 
Max collector to basis capacity 4 pF 
Transistor gain factor 10 @144mhz, 8 @175mhz