How important is vf matching on triple and quad builds?

F89

Flashlight Enthusiast
Joined
Mar 15, 2014
Messages
1,420
I'm looking at building a quad p60 and was hoping to gain some insight.
Will be parallel and using a fet plus 7135 driver (likely a H17Fx).
I understand that a lower vf LED on the board will work harder but how much will it really matter if I've got a bunch of LEDs binned the same? Obviously there'll be some variation to spec.
I've noticed some builders like Tana mention they vf match LEDs in their builds. Is there an easy way to individually test LEDs for the build with minimum fuss?
Advice and info appreciated.
 

Cobraman502

Enlightened
Joined
Feb 10, 2015
Messages
367
I'm looking at building a quad p60 and was hoping to gain some insight.
Will be parallel and using a fet plus 7135 driver (likely a H17Fx).
I understand that a lower vf LED on the board will work harder but how much will it really matter if I've got a bunch of LEDs binned the same? Obviously there'll be some variation to spec.
I've noticed some builders like Tana mention they vf match LEDs in their builds. Is there an easy way to individually test LEDs for the build with minimum fuss?
Advice and info appreciated.

Not really important. Nichia and cree in quads and triples don't have a problem. Nichia has a low vf and you would only worry if it was a single led using a low vf.
 
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