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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