This part is a kind of semiconductor called CEP50N06.

Function of this product has N-Channel Enhancement Mode Field Effect Transistor.

Manufacturers : CET

Image and pinout :

Some of the text within the PDF file :

N-Channel Enhancement Mode Field Effect Transistor FEATURES 60V, 50A ,RDS(ON) = 17mΩ (typ) @VGS = 10V. Super high dense cell design for extremely low RDS(ON). High power and current handing capability. Lead free product is acquired. TO-220 & TO-263 package. CEP50N06/CEB50N06 D D G G D S S CEB SERIES TO-263(DD-PAK) G CEP SERIES TO-220 S ABSOLUTE MAXIMUM RATINGS Parameter Drain-Source Voltage Gate-Source Voltage Drain Current-Continuous Drain Current-Pulsed a Tc = 25 C unless otherwise noted Symbol Limit VDS VGS ID IDM PD EAS IAS TJ,Tstg 60 Units V V A A W W/ C mJ A C ±20 50 150 131 0.88 225 50 -55 to 175 Maximum Power Dissipation @ TC = 25 C - Derate above 25 C Single Pulsed Avalanche Energy d Single Pulsed Avalanche Current d Operating and Store Temperature Range Thermal C [ ... ]

CEP50N06 PDF Datasheet Download