This part is a kind of semiconductor called P3055LDG.

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 P3055LDG TO-252 (DPAK) Lead-Free D PRODUCT SUMMARY V(BR)DSS 25 RDS(ON) 50m ID 12A 1. GATE 2. DRAIN 3. SOURCE G S ABSOLUTE MAXIMUM RATINGS (TC = 25 °C Unless Otherwise Noted) PARAMETERS/TEST CONDITIONS Gate-Source Voltage Continuous Drain Current Pulsed Drain Current Avalanche Energy Repetitive Avalanche Energy Power Dissipation 2 1 SYMBOL VGS LIMITS ±20 12 8 45 60 3 48 20 -55 to 150 275 UNITS V TC = 25 °C TC = 100 °C ID IDM A L = 0.1mH L = 0.05mH TC = 25 °C TC = 100 °C EAS EAR PD Tj, Tstg TL mJ W Operating Junction & Storage Temperature Range Lead Temperature ( /16” from case for 10 sec.) THERMAL RESISTANCE RATINGS THERMAL RESISTANCE Junction-to-Case Junction-to-Ambient Case [ ... ]

P3055LDG PDF Datasheet Download