This part is a kind of semiconductor called 20N03L.

Function of this product has IPD20N03L.

Manufacturers : Infineon Technologies

Image and pinout :

Some of the text within the PDF file :

IPD20N03L IPU20N03L OptiMOS® Buck converter series Feature •N-Channel Product Summary VDS RDS(on) ID P- TO251 -3-1 30 20 30 P- TO252 -3-11 V mΩ A •Logic Level •Low On-Resistance RDS(on) •Excellent Gate Charge x R DS(on) product (FOM) •Superior thermal resistance •175°C operating temperature •Avalanche rated •dv/dt rated •Ideal for fast switching buck converters Type IPD20N03L IPU20N03L Package P- TO252 -3-11 P- TO251 -3-1 Ordering Code Q67042-S4050 Q67042-S4106 Marking 20N03L 20N03L Maximum Ratings, at Tj = 25 °C, unless otherwise specified Parameter Continuous drain current1) TC=25°C Symbol ID Value Unit A 30 30 Pulsed drain current TC=25°C ID puls 120 Avalanche energy, single pulse ID=15A, V DD=25V, RGS=25Ω EAS 15 mJ R [ ... ]

20N03L PDF Datasheet Download