View 2sj537 datasheet:

2SJ537 2 TOSHIBA Field Effect Transistor Silicon P Channel MOS Type (L -?-MOSVI) 2SJ537 Chopper Regulator, DC-DC Converter and Motor Drive Unit: mm Applications Low drain-source ON resistance : RDS (ON) = 0.16 ? (typ.) High forward transfer admittance : |Y | = 3.5 S (typ.) fs Low leakage current : I = -100 µA (V = -50 V) DSS DS Enhancement-mode : Vth = -0.8~-2.0 V (V = -10 V, I = -1 mA) DS D Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Drain-source voltage VDSS -50 V Drain-gate voltage (RGS = 20 k?) VDGR -50 V Gate-source voltage VGSS ±20 V DC (Note 1) ID -5 A Drain current Pulse (Note 1) IDP -15 A Drain power dissipation PD 0.9 W Channel temperature Tch 150 °C Storage temperature range Tstg -55~150 °C JEDEC TO-92MOD Thermal