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One of our Philips Hue lamps died recently and I found that the power supply is the reason. Two resistors burned (most likely due overvoltage from the mains). However there a SOT-23 packaged component that I couldn't identify.

Probably this is a http://www.alfa-mos.com/datasheet/HVMOS/AFN501DEA.pdf, but I'm not sure. Check the photo below, "501de". Unfortunately, I didn't find an alternative/replacement component for this. Could somebody help to find one? Thanks!

component - question

hue power supply

ps top view

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My guess would be it's an SMS501DE. These are marked "501DE" according to the datasheet.

Googling "SMS501DE replacement" even shows places where you can buy one.

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  • \$\begingroup\$ thanks! this is most likely the one.. \$\endgroup\$ – smcoder Sep 8 at 18:25

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