View stp20nm50 datasheet:

STP20NM50 - STP20NM50FP STB20NM50 - STB20NM50-1 N-CHANNEL 500V - 0.20? - 20A TO-220/FP/D2PAK/I2PAK MDmesh™Power MOSFET TYPE VDSS RDS(on) ID STP20NM50/FP 500V <0.25? 20 A STB20NM50 500V <0.25? 20 A 3 STB20NM50-1 500V <0.25? 20 A 1 3 TYPICAL RDS(on) = 0.20? 2 D2PAK 1 HIGH dv/dt AND AVALANCHE CAPABILITIES TO-220 TO-220FP 100% AVALANCHE TESTED LOW INPUT CAPACITANCE AND GATE CHARGE LOW GATE INPUT RESISTANCE 3 2 TIGHT PROCESS CONTROL AND HIGH 1 MANUFACTURING YIELDS I?PAK (Tabless TO-220) DESCRIPTION The MDmesh™ is a new revolutionary MOSFET tech- nology that associates the Multiple Drain process with INTERNAL SCHEMATIC DIAGRAM the Company’s PowerMESH™ horizontal layout. The resulting product has an outstanding low on-resis- tance, impressively high dv/dt an