[time-nuts] OT: In search of strange transistor data

Stanley timenuts at n4iqt.com
Fri Oct 28 11:25:16 EDT 2011


TRW and PT makes me think "TRW's roots were founded in 1901, and it lasted 
more than a century until being acquired by Northrop Grumman in 2002. It 
helped create a variety of corporations, including Pacific Semiconductors,"

links:


http://www.semiconductormuseum.com/Transistors/LectureHall/JoeKnight/JoeKnight_EarlyPowerTransistorHistory_PSI_Page2.htm
http://semiconductormuseum.com/Museum_Index.htm


Stanley
----- Original Message ----- 
From: "J. L. Trantham" <jltran at att.net>
To: "'Discussion of precise time and frequency measurement'" 
<time-nuts at febo.com>
Sent: Friday, October 28, 2011 10:04 AM
Subject: Re: [time-nuts] OT: In search of strange transistor data


> Current production or vintage?
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Ulrich Bangert
> Sent: Friday, October 28, 2011 9:58 AM
> To: Time nuts
> Subject: [time-nuts] OT: In search of strange transistor data
>
> Fellow time nuts,
>
> does anyone of you have available the specs of one of the the following
> transistors?
>
> 1) PT5744
>
> 2) ENI5744
>
> 3) TRW201
>
> The usual searching methods do not apply. Must be something extraordinary.
> TIA and my best regards.
>
> Ulrich Bangert
> www.ulrich-bangert.de
> Ortholzer Weg 1
> 27243 Gross Ippener
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to 
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
> 





More information about the time-nuts mailing list