Bottlehead Forum
Bottlehead Kits => Crack => Topic started by: filkingian on August 24, 2010, 08:50:58 AM
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Hi
I messed up one of my HLMP-6000 and I am wondering if I can replace it with any HLMP-6000, or do they differ in voltage?
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I think all HLMP-6000's are the same; other models with different voltages would probably be called something different. Just search for "HLMP-6000" at Mouser - I've ordered about 20 of the little buggers from them, and they've worked great as cathode "resistors" in all of my projects. (And yes, i can confirm they are exactly identical to what Bottlehead supplies).
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Yes, I think the principle differences within the HLMP-6000 series have to do with the package, rather than the internals. As far as I can tell, even different colors have a slightly different designation.
Perhaps Doc or Paul will happen along to enlighten us about the particular version they use.
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The HLMP is always a "standard red" LED - not AlGaAs, "high efficiency", orange, or any other color chemistry. That's what is critical, the low efficiency (as a light source) gives it a low dynamic impedance. Originally they were made by HP, then by Agilent which was an HP spinoff, now it's somebody else - I don't know if they use the same equipment or not. The original HPs were also very quiet, probably due to excellent clean-room manufacturing. I've not done comparative evaluations of the currently available LEDs.
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Hi
I messed up one of my HLMP-6000 and I am wondering if I can replace it with any HLMP-6000, or do they differ in voltage?
Give Eileen a call and she can slip one in the mail for you.
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IIRC ,the HLMP-6000s and other formerly HP/Agilent LEDs are now made by Avago.
/ed B in NC