[UK-CONTEST] OT Transistor Stuff

[Adrian Rees (MW1LCR)]

Well thanks for all the replys. 

I now have the info I need. I tried Google, but didn't approach use it
properly........  Too much mulled wine methinks !

Anyway, all sorted. Thanks to all those who replied.

73

Adrian MW1LCR 



-----Original Message-----
From: uk-contest-bounces at contesting.com
[mailto:uk-contest-bounces at contesting.com] On Behalf Of Adrian Rees
(MW1LCR)
Sent: 26 December 2008 18:27
To: 'UK Contest Reflector'
Subject: [UK-CONTEST] OT Transistor Stuff


Hi all

Sorry for the bandwidth, but......

Anyone got a Towers International Transistor Selector or Transistor
Equivalents book handy ?

If so can you look up these two?

2SA1156: Looks like a general purpose PNP Silicon jobbie. 
2SC2752: an NPN Silicon jobbie again (I think). 

They are used in a Darlington pair to switch 80 - 100 volts, in series
with a relay.What I need is the nearest equivalent, so some specs would
be really useful. 

This is to protect the TX/RX Relay in my 756 from an aggressive 80 volts
from an old valved linear....

Thanks all.

Adrian MW1LCR

PS anyone found an on line equivalents database ? Seems like a good idea
to me !


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