This part is a kind of semiconductor called P2904BD.

Function of this product has N-Channel Enhancement Mode MOSFET.

Manufacturers : UNIKC

Image and pinout :

Some of the text within the PDF file :

P2904BD N-Channel Logic Level Enhancement Mode MOSFET PRODUCT SUMMARY V(BR)DSS RDS(ON) 40V 29mΩ @VGS = 10V ID 25A TO-252 ABSOLUTE MAXIMUM RATINGS (TA = 25 °C Unless Otherwise Noted) PARAMETERS/TEST CONDITIONS SYMBOL LIMITS Drain-Source Voltage VDS 40 Gate-Source Voltage VGS ±20 Continuous Drain Current Pulsed Drain Current1 TA= 25 °C TA= 70 °C ID IDM 25 20 75 Avalanche Current IAS 27 Avalanche Energy2 L=0.1mH EAS 37 Power Dissipation TC= 25 °C TC= 70°C PD 30 20 Operating Junction & Storage Temperature Range Tj, Tstg -55 to 150 UNITS V A mJ W °C THERMAL RESISTANCE RATINGS THERMAL RESISTANCE Junction-to-Case Junction-to-Ambient 1Pulse width limited by maximum junction temperature. SYMBOL RqJC RqJA TYPICAL MAXIMUM UNIT 4.1 S °C / W 40 REV 1.0 1 2 [ ... ]

P2904BD PDF Datasheet Download