From: whit3rd@gmail.com   
      
   On Sunday, February 17, 2019 at 8:25:33 AM UTC-8, default wrote:   
      
   > My question is that it seems to me that there are often a series of   
   > drivers from a manufacturer....  For example a 1-3 watt may output   
   > 12-24V/300 ma, while an 18 watt output 24-36 volts/300 ma.   
   >   
   > Well, if they are constant current, wouldn't it make sense to get one   
   > with the highest voltage so it can drive more series leds   
      
   Maybe.  But, 'more series LEDs' implies you are chaining ten together,   
   and that implies that one can fail short (and the compliance of the   
   voltage output makes the rest of 'em still light), or one can fail open (and   
   they all go dark).   A string of ten has ten times the fault likelihood   
   as a single LED.    It also implies that (to keep the specified regulation)   
   you MUST purchase ten or so of the 300 mA-capable devices to   
   power up.   Is that really the amount of light you want to pay for?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)