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Old 08-03-2010, 02:31 AM #1
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Default WTB: 2 PHR 803T diodes for my laser zippo project

bought one that turned out defective, then was graciously sent another that burned out in in 2 minutes. I think 2 more and I'm in it to win it for a good, working laser.

I'd like to spend at most 20$

thanks,
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Old 08-03-2010, 02:33 AM #2
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

Well I'll wait for others first. I'd do it for $20 if you can't find anyone else, but I would rather not for now since I'm about to go away for a week.
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Old 08-03-2010, 04:19 AM #3
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

Shoot a PM to styropyro, he has them for $15 shipped for 2 PHR's.
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Old 08-06-2010, 06:57 PM #4
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

Thanks Alexi I just bought 3 of someone who had a surplus. Also thanks to everyone for the help in finding some.
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Old 08-06-2010, 11:07 PM #5
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

Quote:
Originally Posted by Jorad View Post
bought one that turned out defective, then was graciously sent another that burned out in in 2 minutes.
I'd recheck all your work before frying another 2.
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Old 08-06-2010, 11:23 PM #6
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

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I'd recheck all your work before frying another 2.
Well both were hooked up properly. The first was either defective of terribly under spec and the second I was stupid by for not putting a switch in series and just disconnecting the battery. I always make sure I'm grounded and that i discharge the cap before connecting. either way I'm going to test on a red diode first to see if my driver is at fault.
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Old 08-07-2010, 07:21 PM #7
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

What mA are you setting the drive at? Did you measure the current coming out of the driver? Did you short the caps to discharge any juice lingering before hooking up the diode?

PHRs are usually tough, unless you're setting them to high.
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Old 08-08-2010, 12:47 AM #8
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

What driver are you using?
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Old 08-08-2010, 04:30 PM #9
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Default Re: WTB: 2 PHR 803T diodes for my laser zippo project

Using a flexdrive set to 90mA under load and yes I make sure to short the pads to discharge the caps...

EDIT: Correction.... I'm using a Rckstr driver at 90mA

EDIT AGAIN: Hmmm I'm not even getting LED out of the current diode.. perhaps i have a faulty driver....

Last edited by Jorad; 08-09-2010 at 03:46 AM.
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