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STD4N52K3, STF4N52K3
STP4N52K3, STU4N52K3
N-channel 525 V, 2.5 A, 2.1 IPAK, DPAK, TO-220FP, TO-220
,
SuperMESH3TM Power MOSFET

Features
RDS(on)
Order codes VDSS ID Pw
max 3 3
2 1
1
STD4N52K3 2.5 A 45 W
IPAK DPAK
STF4N52K3 2.5 A 20 W
525 V < 2.6
STP4N52K3 2.5 A (1) 45 W
STU4N52K3 2.5 A 45 W
1. Limited by package
3
100% avalanche tested 3 2
2 1
1
Extremely high dv/dt capability TO-220 TO-220FP
Gate charge minimized
Very low intrinsic capacitance
Improved diode reverse recovery
Figure 1. Internal schematic diagram
characteristics
Zener-protected D(2)

Application
Switching applications
G(1)

Description
These devices are made using the
SuperMESH3TM Power MOSFET technology that
is obtained via improvements applied to
STMicroelectronics' SuperMESHTM technology S(3)
combined with a new optimized vertical structure. AM01476v1
The resulting product has an extremely low on
resistance, superior dynamic performance and
high avalanche capability, making it especially
suitable for the most demanding applications.
Table 1. Device summary
Order codes Marking Package Packaging

STD4N52K3 4N52K3 IPAK Tube
STF4N52K3 4N52K3 DPAK Tape and reel
STP4N52K3 4N52K3 TO-220FP Tube
STU4N52K3 4N52K3 TO-220 Tube

November 2010 Doc ID 18206 Rev 1 1/17
www.st.com 17
Contents STD4N52K3, STF4N52K3, STP4N52K3, STU4N52K3

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 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2/17 Doc ID 18206 Rev 1
STD4N52K3, STF4N52K3, STP4N52K3, STU4N52K3 Electrical ratings

1 Electrical ratings

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

VDS Drain-source voltage (VGS = 0) 525 V
VGS Gate- source voltage