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Grey Kit Diode-Arc

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Billson

Flashlight Enthusiast
Joined
Nov 18, 2003
Messages
1,248
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Philippines
I came across this item while surfing the new shoppe layout. Is this for the Arc flashlights? If yes, is it for the LS series and is it easy to install?
 
Billson, these were for the "Grey kit" ls lights, unannoed LS kits that were sold by ARC. some of these kits came with the diode already installed on the pcb, but others missed the diode.
If your LS is not a "grey one", you will have no use for it. /ubbthreads/images/graemlins/wink.gif
 
You can exchange the existing diode with this one (has lower Vf) to increase the efficiency a little bit. But you should have good soldering skills.
 
Errr, this one? which one do you mean? /ubbthreads/images/graemlins/icon3.gif
The only upgrade I know of is replacing the sence resistor to increase current.

Tia,
 
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I believe that waynes grey kit diode is the NRS08 part (I'm not completely sure). But I'm definitely sure that the grey kit diode I have bought from wayne has a lower Vf than the stock diode of the ARC LS (have measured it myself).

The efficiency increase should be around 2..3%, I think it is only worth if you have opened the ARC anyway (to increase the current or to swap the emitter).
 
I bought this to try it out. Does it go in only one way or any way? I have no idea if this part is supposed to have a +/- or whatever.

Thanks.
 
If it is put in backwards it will blow the IC immediately when power is applied.
 
Wayne,

Thanks. I followed koala's advice so I guess I must have done it right since it lit up when I hooked it up to the battery.
 
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