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STB14NM50N, STD14NM50N
STF14NM50N, STP14NM50N
N-channel 500 V, 0.28 12 A MDmeshTM II Power MOSFET
,
in DPAK, D2PAK, TO-220 and TO-220FP

Features
VDSS @ RDS(on)
Type ID
TJmax max 3
1
STB14NM50N 2
3
DPAK 1
STD14NM50N
550 V < 0.32 12 A TO-220
STF14NM50N
STP14NM50N

100% avalanche tested
3
Low input capacitance and gate charge 2
3
1
1
Low gate input resistance TO-220FP D2PAK

Application
Switching applications Figure 1. Internal schematic diagram

Description
These devices are made using the second
generation of MDmeshTM technology. This
revolutionary Power MOSFET associates a new
vertical structure to the company's strip layout to
yield one of the world's lowest on-resistance and
gate charge. It is therefore suitable for the most
demanding high efficiency converters.

Table 1. Device summary
Order codes Marking Package Packaging

STB14NM50N D2PAK
Tape and reel
STD14NM50N DPAK
14NM50N
STF14NM50N TO-220FP
Tube
STP14NM50N TO-220

July 2010 Doc ID 16832 Rev 3 1/18
www.st.com 18
Contents STB14NM50N, STD14NM50N, STF14NM50N, STP14NM50N

Contents

1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) ............................ 6

3 Test circuits .............................................. 9

4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2/18 Doc ID 16832 Rev 3
STB14NM50N, STD14NM50N, STF14NM50N, STP14NM50N Electrical ratings

1 Electrical ratings

Table 2. Absolute maximum ratings
Value
Symbol Parameter TO-220, D2PAK Unit
TO-220FP
DPAK

VDS Drain-source voltage (VGS = 0) 500 V
VGS Gate-source voltage