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Luminus SFT-40 N4 5000K LED on Copper DTP MCPCB
Product Code: LUM-SFT40-5K
Availability: 175
Availability: 175
Price: $7.79
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The SFT-40 is a super-high power output 3V nominal LED that gives you a tighter beam pattern than the SST-40.
Low Forward Voltage Current Warning!
Due to the extremely low forward voltage of this LED, some care needs to be taken when used with a high drain 18650 or most 26650 or larger cells: even with perfect heatsinking (better than what you can get in most flashlights), the LED will usually die at around 9.5A, which can be exceeded with a good battery and low resistance setup. It is recommended to run the LED at around 8A-8.5A maximum continuous, even with good heatsinking. This means that with some builds you may have to add some resistance to your system, with thinner and longer wires, less efficient bypasses, etc.
MCPCB Options:
- 16mm MTN Copper DTP MCPCB
- 20mm MTN Copper DTP MCPCB
Specifications:
- Tint: 5000K (Neutral White)
- Flux Bin: N4
- Mounted on a direct-thermal-path copper MCPCB for maximum thermal performance
- Maximum recommended current: 8A with good heatsinking. See the warning, above.
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