This part is a kind of semiconductor called D600K.

Function of this product has NPN silicon.

Manufacturers : Fgx

Image and pinout :

Some of the text within the PDF file :

·ç¹âÐÀ¼¼Êõ×ÊÁÏ ■■APPLICATION: Low Frequency Power Amplifier Applications. ■■MAXIMUM RATINGS（Ta＝25℃） PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Power Dissipation(Ta=25℃) Power Dissipation(Tc=25℃) D600k —NPN silicon — SYMBOL RATING UNIT VCBO VCEO VEBO IC PC PC TJ Tstg 120 120 5 1 1 8 150 V V V A W W ℃ 1 TO-126 2.Collector 3.Base 1. Emitter Junction Temperature Storage Temperature Range -55~150 ℃ ■■ELECTRICAL CHARACTERISTICS（Ta=25℃） PARAMETER Common Emitter DC Current Gain Collector Cut-off Current Emitter Cut-off Current Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector-Emitter Saturation Voltage Base-Emitter Saturati [ ... ]

D600K PDF Datasheet Download