N-channel 400 V, 0.85 Ω typ., 5.4 A, SuperMESH™ Power MOSFETs
in DPAK, TO-220 and TO-220FP packages
Features
Product status links
STD7NK40ZT4
STP7NK40Z
STP7NK40ZFP
Order code
V
DS
STD7NK40ZT4
STP7NK40Z70 W
400 V1 Ω5.4 A
R
max.I
DS(on)
D
P
TOT
70 W
STP7NK40ZFP25 W
•Extremely high dv/dt capability
•100% avalanche tested
•Gate charge minimized
•Very low intrinsic capacitance
•Zener-protected
Applications
•Switching applications
Description
These high-voltage devices are Zener-protected N-channel Power MOSFETs
developed using the SuperMESH™ technology by STMicroelectronics, an
optimization of the well-established PowerMESH™. In addition to a significant
reduction in on-resistance, these devices are designed to ensure a high level of dv/dt
capability for the most demanding applications.
Product summary
STD7NK40ZT4
MarkingD7NK40Z
PackageDPAK
PackingTape and reel
STP7NK40Z
MarkingP7NK40Z
PackageTO-220
PackingTube
STP7NK40ZFP
MarkingP7NK40ZFP
PackageTO-220FP
PackingTube
DS2855 - Rev 3 - July 2018
For further information contact your local STMicroelectronics sales office.
www.st.com
Page 2
1Electrical ratings
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Electrical ratings
Table 1. Absolute maximum ratings
SymbolParameter
V
V
DGR
V
DS
GS
Drain-source voltage400V
Drain-gate voltage (RGS = 20 kΩ)
Gate-source voltage±30V
Drain current (continuous) at TC = 25 °C
I
I
DM
P
TOT
I
AR
E
ESD
dv/dt
D
AS
Drain current (continuous) at TC = 100 °C
(2)
Drain current (pulsed)21.621.6
Total dissipation at TC = 25 °C
Avalanche current, repetitive or non-repetitive
(pulse width is limited by TJ max.)
Single pulse avalanche energy
(starting TJ = 25 °C, ID = IAR, VDD = 50 V)
Gate-source, human body model,
R = 1.5 kΩ, C = 100 pF
(3)
Peak diode recovery voltage slope4.5V/ns
Insulation withstand voltage (RMS) from all
V
ISO
three leads to external heat sink
(t = 1 s, TC = 25 °C)
T
J
T
stg
Operating junction temperature range
Storage temperature range
1. This value is limited by maximum junction temperature.
2. Pulse width is limited by safe operating area.
3. ISD ≤ 5.4 A, di/dt ≤ 200 A/µs, VDD < V
(BR)DSS
Value
STD7NK40ZT4STP7NK40ZSTP7NK40ZFP
400V
5.45.4
3.43.4
5.4
3.4
21.6
(1)
(1)
(1)
707025W
5.4A
130mJ
3kV
2.5kV
-55 to 150°C
Unit
A
A
A
DS2855 - Rev 3
Table 2. Thermal data
Symbol
R
thj-case
R
thj-amb
R
thj-pcb
1. When mounted on an 1-inch² FR-4, 2 Oz copper board.
Thermal resistance junction-case1.781.785°C/W
Thermal resistance junction-ambient62.5°C/W
(1)
Thermal resistance junction-pcb50°C/W
Parameter
Value
Unit
DPAKTO-220TO-220FP
page 2/22
Page 3
2Electrical characteristics
(TC = 25 °C unless otherwise specified)
SymbolParameterTest conditionsMin.Typ.Max.Unit
V
(BR)DSS
I
DSS
I
GSS
V
GS(th)
R
DS(on)
1. Defined by design, not subject to production test.
Drain-source breakdown voltage
Zero gate voltage drain current
Gate body leakage current
Gate threshold voltage
Static drain-source on-resistance
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Electrical characteristics
Table 3. On/off states
ID = 1 mA, VGS = 0 V
V
= 0 V, V
GS
V
= 0 V, V
GS
TC = 125 °C
DS
DS
(1)
= 400 V
= 400 V,
VGS = ±20 V, VDS = 0 V
VDS = VGS, ID = 50 µA
VGS = 10 V, ID = 2.7 A
400V
33.754.5V
0.851Ω
1µA
50µA
±10µA
1. C
Table 4. Dynamic
Symbol
C
iss
C
oss
C
rss
C
oss eq.
Q
g
Q
gs
Q
gd
oss eq.
to 80% V
Input capacitance
Output capacitance82
Reverse transfer capacitance18
(1)
Equivalent output capacitance
Total gate charge
Gate-source charge4
Gate-drain charge10
is defined as the constant equivalent capacitance giving the same charging time as C
.
DSS
ParameterTest conditionsMin.Typ.Max.Unit
VDS = 25 V, f = 1 MHz, VGS = 0 V
VGS = 0 V, VDS = 0 to 320 V
VDD = 320 V, ID = 5.4 A,
VGS = 0 to 10 V
(see Figure 16. Test circuit for gate
charge behavior)
Table 5. Switching times
Symbol
t
d(on)
t
r
t
d(off)
t
f
t
r(Voff)
t
f
t
c
Turn-on delay time
Rise time15
Turn-off delay time30
Fall time12
Off-voltage rise time
Fall time10
Crossover time20
ParameterTest conditionsMin.Typ.Max.Unit
VDD = 200 V, ID = 2.7 A,
RG = 4.7 Ω, V
GS
= 10 V
(see Figure 15. Test circuit for
resistive load switching times and
Figure 20. Switching time
waveform)
VDD = 320 V, ID = 5.4 A,
RG = 4.7 Ω, VGS = 10 V
(see Figure 17. Test circuit for
inductive load switching and diode
recovery times)
The built-in back-to-back Zener diodes are specifically designed to enhance the ESD performance of the device.
The Zener voltage facilitates efficient and cost-effective device integrity protection, thus eliminating the need for
additional external componentry.
DS2855 - Rev 3
page 4/22
Page 5
2.1Electrical characteristics (curves)
GC20940
10
-1
10
-2
10
-3
10 -410 -310 -210 -110
0
K
t p (s)
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Electrical characteristics (curves)
Figure 1. Safe operating area for TO-220/DPAK
Figure 3. Safe operating area for TO-220FP
Figure 2. Thermal impedance for TO-220/DPAK
Figure 4. Thermal impedance for TO-220FP
Figure 5. Output characteristicsFigure 6. Transfer characteristics
DS2855 - Rev 3
page 5/22
Page 6
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Electrical characteristics (curves)
Figure 7. Static drain-source on-resistanceFigure 8. Gate charge vs gate-source voltage
Figure 9. Capacitance variations
Figure 11. Normalized on-resistance vs temperature
Figure 14. Maximum avalanche energy vs temperature
DS2855 - Rev 3
page 7/22
Page 8
3Test circuits
AM01468v1
V
D
R
G
R
L
D.U.T.
2200
μF
V
DD
3.3
μF
+
pulse width
V
GS
AM01469v1
47 kΩ
1 kΩ
47 kΩ
2.7 kΩ
1 kΩ
12 V
IG= CONST
100 Ω
100 nF
D.U.T.
+
pulse width
V
GS
2200
μF
V
G
V
DD
AM01470v1
A
D
D.U.T.
S
B
G
25 Ω
A
A
B
B
R
G
G
D
S
100 µH
µF
3.3
1000
µF
V
DD
D.U.T.
+
_
+
fast
diode
AM01471v1
V
D
I
D
D.U.T.
L
V
DD
+
pulse width
V
i
3.3
µF
2200
µF
AM01472v1
V(BR)DSS
VDD
VDD
VD
IDM
ID
AM01473v1
0
V
GS
90%
V
DS
90%
10%
90%
10%
10%
t
on
t
d(on)
t
r
0
t
off
t
d(off)
t
f
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Test circuits
Figure 15. Test circuit for resistive load switching times
Figure 17. Test circuit for inductive load switching and
diode recovery times
Figure 16. Test circuit for gate charge behavior
Figure 18. Unclamped inductive load test circuit
DS2855 - Rev 3
Figure 19. Unclamped inductive waveform
Figure 20. Switching time waveform
page 8/22
Page 9
4Package information
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Package information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK
packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions
and product status are available at: www.st.com. ECOPACK® is an ST trademark.
®
DS2855 - Rev 3
page 9/22
Page 10
0068772_A_25
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
4.1DPAK (TO-252) type A package information
Figure 21. DPAK (TO-252) type A package outline
DPAK (TO-252) type A package information
DS2855 - Rev 3
page 10/22
Page 11
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
DPAK (TO-252) type A package information
Table 8. DPAK (TO-252) type A mechanical data
Dim.
Min.Typ.Max.
A2.202.40
A10.901.10
A20.030.23
b0.640.90
b45.205.40
c0.450.60
c20.480.60
D6.006.20
D14.955.105.25
E6.406.60
E14.604.704.80
e2.1592.2862.413
e14.4454.5724.699
H9.3510.10
L1.001.50
(L1)2.602.803.00
L20.650.800.95
L40.601.00
R0.20
V20°8°
mm
DS2855 - Rev 3
page 11/22
Page 12
0068772_type-E_rev.25
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
4.2DPAK (TO-252) type E package information
Figure 22. DPAK (TO-252) type E package outline
DPAK (TO-252) type E package information
DS2855 - Rev 3
page 12/22
Page 13
FP_0068772_25
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
DPAK (TO-252) type E package information
Table 9. DPAK (TO-252) type E mechanical data
Dim.
Min.Typ.Max.
A2.182.39
A20.13
b0.650.884
b44.955.46
c0.460.61
c20.460.60
D5.976.22
D15.21
E6.356.73
E14.32
e2.286
e14.572
H9.9410.34
L1.501.78
L12.74
L20.891.27
L41.02
mm
Figure 23. DPAK (TO-252) recommended footprint (dimensions are in mm)
DS2855 - Rev 3
page 13/22
Page 14
4.3DPAK (TO-252) packing information
P1
A0
D1
P0
F
W
E
D
B0
K0
T
User direction of feed
P2
10 pitches cumulative
tolerance on tape +/- 0.2 mm
User direction of feed
R
Bending radius
B1
For machine ref. only
including draft and
radii concentric around B0
AM08852v1
Top cover
tape
Figure 24. DPAK (TO-252) tape outline
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
DPAK (TO-252) packing information
DS2855 - Rev 3
page 14/22
Page 15
A
D
B
Full radius
Tape slot
in core for
tape start
2.5mm min.width
G measured
at hub
C
N
40mm min.
access hole
at slot location
T
AM06038v1
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Figure 25. DPAK (TO-252) reel outline
DPAK (TO-252) packing information
Table 10. DPAK (TO-252) tape and reel mechanical data
Tape
Dim.
A06.87A330
B010.410.6B1.5
B112.1C12.813.2
D1.51.6D20.2
D11.5G16.418.4
E1.651.85N50
F7.47.6T22.4
K02.552.75
P03.94.1Base qty.2500
P17.98.1Bulk qty.2500
P21.92.1
R40
T0.250.35
W15.716.3
Min.Max.Min.Max.
mm
Dim.
Reel
mm
DS2855 - Rev 3
page 15/22
Page 16
4.4TO-220 type A package information
0015988_typeA_Rev_21
Figure 26. TO-220 type A package outline
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
TO-220 type A package information
DS2855 - Rev 3
page 16/22
Page 17
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
TO-220 type A package information
Table 11. TO-220 type A package mechanical data
Dim.
Min.Typ.Max.
A4.404.60
b0.610.88
b11.141.55
c0.480.70
D15.2515.75
D11.27
E10.0010.40
e2.402.70
e14.955.15
F1.231.32
H16.206.60
J12.402.72
L13.0014.00
L13.503.93
L2016.40
L3028.90
øP3.753.85
Q2.652.95
mm
DS2855 - Rev 3
page 17/22
Page 18
4.5TO-220FP package information
7012510_Rev_12_B
Figure 27. TO-220FP package outline
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
TO-220FP package information
DS2855 - Rev 3
page 18/22
Page 19
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Table 12. TO-220FP package mechanical data
TO-220FP package information
Dim.
Min.Typ.Max.
A4.44.6
B2.52.7
D2.52.75
E0.450.7
F0.751
F11.151.70
F21.151.70
G4.955.2
G12.42.7
H1010.4
L216
L328.630.6
L49.810.6
L52.93.6
L615.916.4
L799.3
Dia33.2
mm
DS2855 - Rev 3
page 19/22
Page 20
Revision history
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
Table 13. Document revision history
DateVersionChanges
02-Sep-20022Document updated.
Part number STD7NK40Z-1 was moved to a separate datasheet, and the
document was updated accordingly.
11-Jul-20183
Updated title, features, applications and description on cover page.
4.4TO-220 type A package information ..............................................15
4.5TO-220FP package information .................................................17
Revision history .......................................................................20
DS2855 - Rev 3
page 21/22
Page 22
STD7NK40ZT4, STP7NK40Z, STP7NK40ZFP
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