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marking code 4MU3 ,do you know what this device is?

davenn

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Sep 5, 2009
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14,297
Hi , guys
marking code 4MU3 ,do you knok what this device is?

View attachment 59530

I dont see a 3 on the device in your photo ??
4MUU
with 4MU most likely the type number
searching on that didnt bring up any 3 pin devices just 5 pin ones which were voltage regulators

So u8nless some one else can help ya may be ooutta luck
 
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