[time-nuts] LED reliability

Henk ten Pierick henk at deriesp.demon.nl
Wed Apr 30 13:30:52 EDT 2008

On Apr 30, 2008, at 18:56, Hal Murray wrote:

>> 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?

When I joined Hewlett-Packard in 1970, they made their first red leds  
and claimed 50000 hours mtbf.


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