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tpa3251发热严重,

Other Parts Discussed in Thread: TPA3251

tpa3251用8到15uH红灰环电感,电感和芯片都严重发热;用15uH以上红灰环电感,电感不发热,芯片发热;用8到15uH纯红环电感,芯片和电感几乎不发热,这是为什么?