This part is a kind of semiconductor called HFS4N65.
Function of this product has N-Channel MOSFET.
Manufacturers : SemiHow
Image and pinout :
Some of the text within the PDF file :
HFS4N65 April 2006 HFS4N65 650V N-Channel MOSFET BVDSS = 650 V RDS(on) typ = 2.3 Ω ID = 3.6* A FEATURES Originative New Design Superior Avalanche Rugged Technology Robust Gate Oxide Technology Very Low Intrinsic Capacitances Excellent Switching Characteristics Unrivalled Gate Charge : 15 nC (Typ.) Extended Safe Operating Area Lower RDS(ON) : 2.3 Ω (Typ.) @VGS=10V 100% Avalanche Tested TO-220F 12 3 1.Gate 2. Drain 3. Source D G S Absolute Maximum Ratings TC=25℃ unless otherwise specified Symbol Parameter Value VDSS ID IDM VGS EAS IAR EAR dv/dt Drain-Source Voltage Drain Current Drain Current Drain Current – Continuous (TC = 25℃) – Continuous (TC = 100℃) – Pulsed (Note 1) Gate-Source Voltage Single Pulsed Avalanche Energy (N [ ... ]