[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: RAD Hard 555 timer




National Semiconductor has two that are space rated.  The part numbers are 
the JL555SGA for the TO-5 and JL555SPA for the ceramic dip.

- Emily




At 11:04 AM 4/1/2004 -0500, you wrote:
>For our next PCsat we need a RAD-HARD 555 CMOS
>timer chip.  Normal ones draw 15 mA.  CMOS draws
>less than 1% of that.  This is the most critical part on
>the whole satellite.
>
>If anyone knows where to find RAD-HARD chips, please
>lemme know...
>
>Here is alist of MFR's only the CMOS ones will do...
>
>http://www.uoguelph.ca/~antoon/gadgets/555/555.html
>
>But I thought I would ask here before wasting a few days with
>phone calls to salesmen...
>
>----
>Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
>Not an AMSAT member? Join now to support the amateur satellite program!
>To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org



---------------------------------
W0EEC - CM87tm
AMSAT Area Coordinator - San Francisco Bay Area
http://www.projectoscar.net    http://www.PlanetEmily.com 
http://www.experthams.net/ao7

Help Launch Echo - http://www.amsat.org/amsat/sats/echo/index.html
---------------------------------  

----
Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org



AMSAT Top AMSAT Home