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STW20NC50 N-CHANNEL 500V - 0.22 - 18.4A TO-247 PowerMeshTMII MOSFET TYPE VDSS RDS(on) ID STW20NC50 500V < 0.27 18.4A s TYPICAL RDS(on) = 0.22 s EXTREMELY HIGH dv/dt CAPABILITY s 100% AVALANCHE TESTED s NEW HIGH VOLTAGE BENCHMARK s GATE CHARGE MINIMIZED 3 2 1 DESCRIPTION The PowerMESHTMII is the evolution of the first TO-247 generation of MESH OVERLAYTM. The layout re- finements introduced greatly improve the Ron*area figure of merit while keeping the device at the lead- ing edge for what concerns swithing speed, gate INTERNAL SCHEMATIC DIAGRAM charge and ruggedness. APPLICATIONS s SWITH MODE LOW POWER SUPPLIES (SMPS) s HIGH CURRENT, HIGH SPEED SWITCHING s DC-AC CONVERTERS FOR WELDING EQUIPMENT AND UNINTERRUPTIBLE POWER SUPPLIES AND MOTOR DRIVES ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VDS Drain-source Voltage (VGS = 0) 500 V VDGR Drain-gate Voltage (RGS = 20 k) 500 V VGS Gate- source Voltage