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Topic # 113193 9-Jan-2013 11:02 Send private message

Hi There!

I am completing a DIY Electronic component kit which I sourced overseas.  I have damaged (I think) one of the key components and I need to source another 1-2. I found it in various overseas locations but Jaycar and RS Components don't have stock locally, and Element 14 want to charge $25 for them including freight. 

The component is called HLMP-6000 and is found online for reference here.

Anyone know where I might be able to find a few of these in NZ?

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  Reply # 742146 9-Jan-2013 11:54 Send private message

Looking at the datasheet, it reads to me like you the HLMP-6000 is simply a red LED with a forward DC current of 50mA which is made to be panel mounted with 90 degree axial legs.

You should be able to substitute most any small LED I'd think.





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  Reply # 742148 9-Jan-2013 11:55 Send private message

If you don't mind waiting 1-2 weeks then check out ebay. I've sourced a lot of eletronic bits and pieces from Hong Kong and China. Usually $1-5USD for 10+ quantities and free shipping.




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  Reply # 742149 9-Jan-2013 11:55 Send private message

Kingy, it's the wait I am mostly trying to get rid of.

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  Reply # 742151 9-Jan-2013 11:59 Send private message

Thought that might be the case. Have a browse anyway. A lot of those businesses have alternate shipping options for a bit more of a fee.




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  Reply # 742166 9-Jan-2013 12:14 Send private message

Here is the closest available one I can find on RS:

http://newzealand.rs-online.com/web/p/visible-leds/1934746/

HLMP-Q102, datasheet doesn't mention it but reading between the lines, it's a high-intensity version of the one you have, I'd guess it to be an adequate replacement.

Here is my search criteria: http://tinyurl.com/a4pj2up




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  Reply # 742186 9-Jan-2013 12:26 Send private message

Here is the datasheet containing info about the Q102...

http://html.alldatasheet.com/html-pdf/157448/HP/HLMP-Q102/26/1/HLMP-Q102.html





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  Reply # 742187 9-Jan-2013 12:27 Send private message

Interestingly I have been told by the kit  I can substitute a 475Ohm 1/8th watt resistor in it's place.

I can only find 470ohm 1/4 watt. (Jaycar and surplustronics)

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  Reply # 742201 9-Jan-2013 12:45 Send private message

networkn: 
I can only find 470ohm 1/4 watt. (Jaycar and surplustronics)


Most resistors are 5% tolerance meaning a 475 ohm could actually be anywhere from 451 to 498 ohms from right the factory but we still call it 475 ohm.  

Your 470 ohm resistor will be close enough, you could always throw a 4.7ohm in series with it if it's a bit down (but measure them to see how close you are).

NB: The power rating doesn't matter as long as you are bigger than what the recommend, 1/4 is bigger than 1/8, so you are fine there.




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  Reply # 742436 9-Jan-2013 18:18 Send private message

If it is just the resistor to limit current for the LED then 470 Ohm is fine.




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  Reply # 742736 10-Jan-2013 12:06 Send private message

I am going to use the resistor for the time being. Apparently the LED above isn't a suitable replacement as it suffers from voltage drop and therefore variable voltage which in a headphone amp (apparently) isn't ideal.

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  Reply # 742945 10-Jan-2013 17:41 Send private message

Share the schematic and then experienced electronic engineers can comment.




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