This part is a kind of semiconductor called A1024.
Function of this product has PNP Transistor.
Manufacturers : FGX
Image and pinout :
Some of the text within the PDF file :
■ APPLICATION: High Voltage Applications. A1024 —PNP silicon — ■mMAXIMUM RATINGS（Ta＝25℃） PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector Power Dissipation Junction Temperature Storage Temperature Range SYMBOL RATING UNIT VCBO VCEO VEBO IC PC TJ Tstg -150 -150 -5 -50 1 150 V V V mA W ℃ 1 TO-92L 1. Emitter 2. Collector 3. Base ﹣55~150 ℃ ■ ELECTRICAL CHARACTERISTICS（Ta=25℃） PARAMETER DC Current Gain Collector Cut-off Current Emitter Cut-off Current Collector-Base Breakdown Voltage SYMBOL hFE ICBO IEBO BVCBO -150 -150 -5 -0.9 -0.8 120 4.0 5.0 70 MIN. TYP. MAX. UNIT 240 -0.1 -0.1 µA µA V V V V V MHz PF TEST CONDITION VCE= -5V，Ic= -10mA VCB= -150V，IE=0 VEB= -5V [ ... ]