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STW45NM50FD N-channel 500 V, 0.07 , 45 A, TO-247 FDmeshTM Power MOSFET (with fast diode) Features RDS(on) Type VDSS ID max STW45NM50FD 500 V < 0.1 45 A 100% avalanche tested High dv/dt and avalanche capabilities 3 2 1 Low input capacitance and gate charge TO-247 Low gate input resistance Application Switching applications Figure 1. Internal schematic diagram Description The FDmeshTM associates all advantages of reduced on-resistance and fast switching with an intrinsic fast-recovery body diode. It is therefore strongly recommended for bridge topologies, in particular ZVS phase-shift converters. Table 1. Device summary Order code Marking Package Packaging STW45NM50FD W45NM50FD TO-247 Tube July 2009 Doc ID 7955 Rev 10 1/12 www.st.com 12 Contents STW45NM50FD Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) ... 6 3 Test circuits ... 8 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2/12 Doc ID 7955 Rev 10 STW45NM50FD Electrical ratings 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit VDS Drain-source voltage (VGS = 0) 500 V VGS Gate-source voltage