This part is a kind of semiconductor called D2396.
Function of this product has NPN Transistor.
Manufacturers : JCET
Image and pinout :
Some of the text within the PDF file :
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-220F Plastic-Encapsulate Transistors 2SD2396 TRANSISTOR (NPN) TO – 220F FEATURES Available in TO-220 F package Darling connection provides high dc current gain (hFE) Large collector power dissipation Low frequency and Power amplifier MAXIMUM RATINGS (Ta=25℃ unless otherwise noted) Symbol VCBO VCEO VEBO IC PC RθJA Tj Tstg Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Power Dissipation Thermal Resistance from Junction to Ambient Junction Temperature Storage Temperature 1. BASE 123 2. COLLECTOR 3. EMITTER Value 80 60 6 3 2 62.5 150 -55~+150 Unit V V V A W ℃/W ℃ ℃ ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified) Parameter [ ... ]