相关元件pdf下载：bfy50 ...
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【STMicroelectronics】BFY51,Transistors Bipolar (BJT) NPN General Purpose
【MULTICOMP】BFY90,
BFY90 PBFREE,RF TRANS NPN 15V 1.4GHZ TO72
【MULTICOMP】BFY90MC,
【3M】BG,
BG 11633A,
BG 13 P - 8 OHM,SPEAKER 8OHM 20W TOP PORT 92DB
BG 13 P 8 OHM,
