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UNISONIC TECHNOLOGIES CO., LTD BD139 NPN SILICON TRANSISTOR NPN POWER TRANSISTORS FEATURES * High current (max.1.5A) 1 * Low voltage (max.80V) TO-251 1 TO-126 ORDERING INFORMATION Ordering Number Pin Assignment Package Packing Lead Free Halogen Free 1 2 3 BD139L-xx-T60-K BD139G-xx-T60-K TO-126 E C B Bulk BD139L-xx-TM3-T BD139G-xx-TM3-T TO-251 B C E Tube BD139L-xx-T60-K (1) K Bulk, T Tube (1)Packing Type (2) T60 TO-126, TM3 TO-251 (2)Package Type (3) refer to hFE (3)Rank (4) L Lead Free, G Halogen Free (4)Lead Plating www.unisonic.com.tw 1 of 3 Copyright 2013 Unisonic Technologies Co., Ltd QW-R204-007.D BD139 NPN SILICON TRANSISTOR ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Collector-Base Voltage V 100 V CBO Collector-Emitter Voltage V 80 V CEO Emitter-Base Voltage V 5 V EBO Collector Current (DC) I 1.5 A