DX » Community » Reviews » 12V SST-90 5-Mode Memory Circuit Board for Flashlights
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  • posted bydiver2011 on 10/01/2013

    Ready to use, solder only input wires to PCB. Not get too warm/hot. very big (disk diameter about 25mm), mutch unusable PCB --> can't do small DIY light. Not give full driving current to led, only 1,75Amps. Why all led drivers have that 5-modes "100000 blinking modes" ? It's EWF#¤r34r! I want only Full power and off. Half power it'... Read more

    0 0
  • posted byamelyman on 05/01/2011

    27,9 Watts power from source at High mode So, looks exactly for SST-90 LED... BUT it has only 18,8+ Watts on the LED!!! (5.7 Ampers at 3,3 Volts) As you can calculate - only 70% of source power. Probably I hame made some mistake thru measuring and the Efficiency is higher... I measured with UNIT UT-70A Multimeter the linear voltage and linear current.... Read more

    6 2

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