UV flashlight for parts inspection

[Phlogiston]

Be warned: there have been reports that the Convoy S2+ UV can overheat, which drastically and permanently degrades the LED.

See here, for example:

Convoy S2+ UV 365nm flashlight, Nichia led inside

A waring to all those who use the S2+ the emitter is overdriven 200mA and the original aluminum star has bad thermal performance there are reports of damaged LEDs on german forum [image] [image] with the stock aluminum board the emitter can get damaged by overheating the Emiter has Tj of only 90°C the emitter has 11°C per W thermal resistance so at 700mA that is 30°C with ambient temperature the light gets up to 45°C That leaves only 15°C between the LED and the body So if you frequen…