This part is a kind of semiconductor called P5506BDG.

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 P5506BDG Mode Field Effect Transistor TO-252 Halogen-Free & Lead-Free PRODUCT SUMMARY V(BR)DSS RDS(ON) 60 55mΩ ID 22A D G 1.GATE 2.DRAIN 3.SOURCE S ABSOLUTE MAXIMUM RATINGS (TC = 25 °C Unless Otherwise Noted) PARAMETERS/TEST CONDITIONS SYMBOL Drain-Source Voltage Gate-Source Voltage Continuous Drain Current Pulsed Drain Current1 TC = 25 °C TC = 70 °C Power Dissipation TC = 25 °C TC = 70 °C Operating Junction & Storage Temperature Range Lead Temperature (1/16” from case for 10 sec.) VDS VGS ID IDM PD Tj, Tstg TL LIMITS 60 ±20 22 18 80 50 32 -55 to 150 275 UNITS V V A W °C THERMAL RESISTANCE RATINGS THERMAL RESISTANCE SYMBOL TYPICAL MAXIMUM UNITS Junction-to-Case RθJc 2.5 °C / W Junction-to-Ambient R [ ... ]

P5506BDG PDF Datasheet Download