Quality and design still play a large factor as I replaced several 12V RV bulbs with new White High-Intensity LEDs and they all failed within the first 60 days.
----- Original Message ---- From: Poul-Henning Kamp <[EMAIL PROTECTED]> To: Discussion of precise time and frequency measurement <[email protected]> Sent: Wednesday, April 30, 2008 12:12:56 PM Subject: Re: [time-nuts] LED reliability In message <[EMAIL PROTECTED]>, Hal Murr ay writes: >> LEDs been viable since at least the early 70's? Talk about planned >> obsolescence... > >How reliable were the early LEDs? When did they start to get used in high >reliability applications? Many of them are still happily emitting their faint red or green light. >The best reliability story I heard (many years ago) was about installing >another trans-Atlantic telephone cable. They used tubes long after >transistors were out. They knew how long the tubes would last. They didn't >have much data on transistors yet. Actually, that's not entirely correct: They had reliability info on transistors and they sucked. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
