This part is a kind of semiconductor called 2N5654.
Function of this product has JFET SWITCHING.
Manufacturers : Motorola
Image and pinout :

Some of the text within the PDF file :
2N5653 2N5654 CASE 29-02, STYLE 5 TO-92 (TO-226AA) JFET SWITCHING N-CHANNEL DEPLETION MAXIMUM RATINGS Rating Drain-Gate Voltage Reverse Gate-Source Voltage Forward Gate Current @Total Device Dissipation Ta = 25°C Derate above 25°C Storage Temperature Range Symbol VDG vgsr •gf Pd Tstg Value 30 30 10 310 2.82 -65 to +150 Unit Vdc Vdc mAdc mW mW/°C °C ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.! Characteristic OFF CHARACTERISTICS Gate-Source Breakdown Voltage G(l = 10 AiAdc, VDS = 0) Gate Reverse Current (vGS = -15 vdc, vDs = o) (VGS = -15 Vdc, VDS = 0, Ta = 100X) Drain Cutoff Current (Vqs = 15 Vdc, Vqs = -12 Vdc) (V DS = 15 Vdc, VG S = -8.0 Vdc) (Vds = 15 Vdc, Vqs = -12 Vdc, Ta = 100°C) (VDS = 15 Vdc, Vqs = -8.0 Vdc, Ta = 100°C) ON CHARACTERISTICS 2N5653 [ ... ]
2N5654 PDF Datasheet Download
