This part is a kind of semiconductor called 15N03L.

Function of this product has IPP15N03L.

Manufacturers : Infineon Technologies AG

Image and pinout :

Some of the text within the PDF file :

IPP15N03L IPB15N03L OptiMOS® Buck converter series Feature • N-Channel Product Summary VDS RDS(on) max. SMD version ID P- TO263 -3-2 30 12.6 42 P- TO220 -3-1 V mΩ A • Logic Level • Low On-Resistance RDS(on) • Excellent Gate Charge x RDS(on) product (FOM) • Superior thermal resistance • 175°C operating temperature • Avalanche rated • dv/dt rated • Ideal for fast switching buck converters Type IPP15N03L IPB15N03L Package Ordering Code Marking 15N03L 15N03L P- TO220 -3-1 Q67042-S4039 P- TO263 -3-2 Q67040-S4344 Maximum Ratings, at Tj = 25 °C, unless otherwise specified Parameter Symbol Continuous drain current1) TC=25°C Value 42 42 Unit A ID Pulsed drain current TC=25°C I D puls EAS EAR dv/dt VGS Ptot T j , Tstg 168 20 8 6 ±20 83 -55... +175 55/175/56 [ ... ]

15N03L PDF Datasheet Download