2sj599.pdf datasheet:

SMD TypeSMD TypeSMD TypeSMD TypeProduct specification2SJ599FeaturesTO-252Low on-resistanceUnit: mm+0.15 +0.16.50-0.15 2.30-0.1RDS(on)1 =75m MAX. (VGS =-10 V, ID =-10A)5.30+0.2 0.50+0.8-0.2 -0.7RDS(on)2 = 110 m MAX. (VGS =-4.0V, ID =-10 A)Low Ciss: Ciss = 1300 pF TYP.Built-in gate protection diode 0.1270.80+0.1 max-0.11Gate+0.12.3 0.60-0.12Drain4.60+0.15-0.153SourceAbsolute Maximum Ratings Ta = 25Parameter Symbol Rating UnitDraintosourcevoltage VDSS -60 VGate to source voltage VGSS 20 VDrain current (DC) ID 20 ADrain current(pulse) * ID 50 APower dissipation TC=25 PD 35 WTA=25 PD 1.0 WChannel temperature Tch 150Storage temperature Tstg -55 to +150* PW 10 s, duty cycle 1%http://www.twtysemi.com sales@twtysemi.com1 of 24008-318-123+0.151.50-0.153.80+0.25.55+0.159.70-0.20.50-0.15+0.