This part is a kind of semiconductor called P0903BTG.

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

Manufacturers : Niko

Image and pinout :

Some of the text within the PDF file :

NIKO-SEM N-Channel Logic Level Enhancement Mode Field Effect Transistor P0903BTG TO-220 Lead-Free D PRODUCT SUMMARY V(BR)DSS RDS(ON) 25 9.5m ID 50A G S ABSOLUTE MAXIMUM RATINGS (TC = 25 °C Unless Otherwise Noted) PARAMETERS/TEST CONDITIONS SYMBOL Gate-Source Voltage Continuous Drain Current Pulsed Drain Current1 TC = 25 °C TC = 100 °C Avalanche Current Avalanche Energy Repetitive Avalanche Energy2 L = 0.1mH L = 0.05mH Power Dissipation TC = 25 °C TC = 100 °C Operating Junction & Storage Temperature Range Lead Temperature (1/16” from case for 10 sec.) VGS ID IDM IAR EAS EAR PD Tj, Tstg TL THERMAL RESISTANCE RATINGS THERMAL RESISTANCE SYMBOL Junction-to-Case RθJC Junction-to-Ambient RθJA Case-to-Heatsink RθCS 1Pulse width limited by maximum junction t [ ... ]

P0903BTG PDF Datasheet Download