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STW45NM50 N-channel 550 V @ TJmax, 0.08 , 45 A, TO-247 MDmeshTM Power MOSFET 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 MDmeshTM is a new revolutionary Power MOSFET technology that associates the Multiple Drain process with the company's PowerMESHTM horizontal layout. The resulting product has an outstanding low on-resistance, impressively high dv/dt and excellent avalanche characteristics. The adoption of the company's proprietary strip technique yields overall dynamic performance that is significantly better than that of similar competitor's products. Table 1. Device summary Order code Marking Package Packaging STW45NM50 W45NM50 TO-247 Tube July 2009 Doc ID 8477 Rev 5 1/12 www.st.com 12 Contents STW45NM50 Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) ... 6 3 Test circuit ... 8 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2/12 Doc ID 8477 Rev 5 STW45NM50 Electrical ratings 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value