View bsp373 datasheet:

BSP 373 SIPMOS ® Small-Signal Transistor • N channel • Enhancement mode • Avalanche rated • VGS(th)= 2.1 ... 4.0 V Pin 1 Pin 2 Pin 3 Pin 4 G D S D Type VDS ID RDS(on) Package Marking BSP 373 100 V 1.7 A 0.3 ? SOT-223 BSP 373 Type Ordering Code Tape and Reel Information BSP 373 Q67000-S301 E6327 Maximum Ratings Parameter Symbol Values Unit Continuous drain current ID A TA = 28 ?C 1.7 DC drain current, pulsed IDpuls TA = 25 ?C 6.8 Avalanche energy, single pulse EAS mJ ID = 1.7 A, VDD = 25 V, RGS = 25 ? L = 23.3 mH, Tj = 25 ?C 45 Gate source voltage VGS ± 20 V Power dissipation Ptot W TA = 25 ?C 1.8 Data Sheet 1 05.99 BSP 373 Maximum Ratings Parameter Symbol Values Unit Chip or operating temperature Tj -55 ... + 150 ?C Storage temperature Tstg -55 ... + 150 Ther