Fairchild Semiconductor & SEC, SFS9620, -200V, 28W, Id. -3A, RDS(on)=1.5Ω 
Single P-Channel HEXFET Power MOSFET,  
Advanced Rugged Technology, 
Rugged Gate Oxide Technology, 
Lower Input Capacitance, 
Improved Gate Charge, 
Low RDS(ON): 1.111Ω (Typ.) 

Case type: TO-220F-3PIN-ISOL, =IRFI9620G, 

1 - GATE 
2 - DRAIN 
3 - SOURCE