My HP Q meter has a duff MPS6543 transistor. Anyone have one or know where I can obtain one?
Thanks, John G3UGY
My HP Q meter has a duff MPS6543 transistor. Anyone have one or know where I can obtain one?
Thanks, John G3UGY
Use ECG69 or NTE69 ,they are substitute of MPS6543.
Cyrus®
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