Infineon & IRF-International Rectifier IRFZ48N, 55V, 64A, 130W, RDS(on)=14mΩ 
Single N-Channel HEXFET Power MOSFET. 
Id@Tc=25°C max.210A, 
Dynamic dv/dt Rating, 
Advanced Process Technology, 
Ultra Low On-Resistance,
Fast Switching, 

Case type: TO-220AB-3PIN 

1 - GATE
2 - DRAIN
3 - SOURCE 
4 - DRAIN 

IRFZ48N PbF (PbF Lead Free)