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Part Catalog : BD139

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Package	Marking	Stock/Bin	-
TO-126

BD139

Type:: BJT (Bipolar Junction Transistor)
Function:: Electronic Switch
Series:
Alias:
Comp. Pair:
Manufacturer:
Equivalent Parts:

Semiconductor Type:: NPN
Collector Current I_C:: 1.5A
Collector-Base Voltage V_CBO:: 80V
Collector-Emitter Voltage V_CEO:: 80V

Introduction :

BD139 是一款中等功率的 NPN 雙極性接面電晶體（BJT），常採用 TO-126（或 SOT-32）塑膠封裝，廣泛應用於音訊擴大機的推挽輸出級、驅動電路以及中等電流的開關控制中。

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