STB21N90K5, STF21N90K5, STP21N90K5,
STW21N90K5
N-channel 900 V, 0.25 Ω typ., 18.5 A Zener-protected SuperMESH™ 5
Power MOSFET in a D2PAK, TO-220FP, TO-220 and TO-247 packages
Datasheet — production data
Features
Order codes
TAB
VDSS
RDS(on)max
ID
PW
3
STB21N90K5
STF21N90K5
STP21N90K5
900 V
< 0.299 Ω
2
TO-220FP
TAB
250 W
STW21N90K5
■
1
D2PAK
40 W
18.5 A
3
1
250 W
TO-220 worldwide best RDS(on)
3
■
Worldwide best FOM (figure of merit)
■
Ultra low gate charge
■
100% avalanche tested
■
Zener-protected
1
2
2
3
1
TO-220
TO-247
Figure 1.
Internal schematic diagram
D(2, TAB)
Applications
■
Switching applications
Description
G(1)
These devices are N-channel Power MOSFETs
developed using SuperMESH™ 5 technology.
This revolutionary, avalanche-rugged, high
voltage Power MOSFET technology is based on
an innovative proprietary vertical structure. The
result is a drastic reduction in on-resistance and
ultra low gate charge for applications which
require superior power density and high
efficiency.
Table 1.
S(3)
AM01476v1
Device summary
Order codes
Marking
Package
Packaging
D2PAK
Tape and reel
STB21N90K5
STF21N90K5
TO-220FP
21N90K5
STP21N90K5
TO-220
STW21N90K5
TO-247
October 2012
This is information on a product in full production.
Doc ID 16744 Rev 6
Tube
1/22
www.st.com
22
Contents
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Contents
1
Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Electrical characteristics (curves)
........................... 6
3
Test circuits
4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5
Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2/22
.............................................. 9
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
1
Electrical ratings
Electrical ratings
Table 2.
Absolute maximum ratings
Value
Symbol
VGS
ID
ID
Parameter
Unit
D2PAK,
TO-220, TO-247
Gate- source voltage
TO-220FP
± 30
Drain current (continuous) at TC = 25 °C
18.5
Drain current (continuous) at TC = 100 °C
11.6
V
18.5
(1)
A
11.6
(1)
A
IDM (2)
Drain current (pulsed)
74
74 (1)
A
PTOT
Total dissipation at TC = 25 °C
250
40
W
IAR
Max current during repetitive or single
pulse avalanche
(pulse width limited by Tjmax )
EAS
Single pulse avalanche energy
(starting TJ = 25 °C, ID=IAR, VDD= 50 V)
Viso
Insulation withstand voltage (RMS) from
all three leads to external heat sink
(t=1 s;TC=25 °C)
dv/dt (3)
Tj
Tstg
6
A
200
mJ
2500
Peak diode recovery voltage slope
Operating junction temperature
Storage temperature
V
6
V/ns
-55 to 150
°C
1. Limited by package.
2. Pulse width limited by safe operating area.
3. ISD ≤ 18.5 A, di/dt ≤ 100 A/µs, VDS(peak) ≤V(BR)DSS
Table 3.
Thermal data
Value
Symbol
Parameter
Unit
D²PAK
Rthj-case Thermal resistance junction-case max
0.5
Rthj-amb Thermal resistance junction-amb max
Rthj-pcb
Thermal resistance junction-pcb max
Doc ID 16744 Rev 6
TO-220FP TO-220 TO-247
3.13
0.5
62.5
50
°C/W
30
3/22
Electrical characteristics
2
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Electrical characteristics
(TCASE = 25 °C unless otherwise specified).
Table 4.
Symbol
On/off states
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Drain-source breakdown
voltage (VGS= 0)
ID = 1 mA
IDSS
Zero gate voltage drain
current (VGS = 0)
VDS = 900 V
VDS = 900 V, Tc=125 °C
1
50
µA
µA
IGSS
Gate body leakage current
(VDS = 0)
VGS = ± 20 V
±10
µA
VGS(th)
Gate threshold voltage
VDS = VGS, ID = 100 µA
4
5
V
RDS(on)
Static drain-source on
resistance
VGS = 10 V, ID= 9 A
0.25
0.299
Ω
Typ.
Max.
Unit
V(BR)DSS
Table 5.
Symbol
900
3
V
Dynamic
Parameter
Ciss
Input capacitance
Coss
Output capacitance
Crss
Reverse transfer
capacitance
Test conditions
Min.
1645
VDS =100 V, f=1 MHz, VGS=0
-
112
pF
-
2
Co(tr)(1)
Equivalent capacitance time
related
Co(er)(2)
Equivalent capacitance
energy related
RG
Intrinsic gate resistance
f = 1MHz open drain
Qg
Qgs
Qgd
Total gate charge
Gate-source charge
Gate-drain charge
VDD = 720 V, ID = 18.5 A
VGS =10 V
(see Figure 20)
pF
pF
-
133
-
pF
-
16
-
pF
-
4
-
Ω
-
43
12
25
-
nC
nC
nC
VGS = 0, VDS = 0 to 720 V
1. Time related is defined as a constant equivalent capacitance giving the same charging time as Coss when
VDS increases from 0 to 80% VDSS
2. Energy related is defined as a constant equivalent capacitance giving the same stored energy as Coss
when VDS increases from 0 to 80% VDSS
4/22
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Table 6.
Switching times
Symbol
Parameter
td(on)
tr
td(off)
tf
Table 7.
Symbol
ISD
ISDM
VSD(1)
trr
Qrr
IRRM
trr
Qrr
IRRM
1.
Turn-on delay time
Rise time
Turn-off delay time
Fall time
Test conditions
Electrical characteristics
Min.
Typ.
Max.
Unit
VDD = 720 V, ID = 10 A,
RG=4.7 Ω, VGS=10 V
(see Figure 22)
-
17
27
52
40
-
ns
ns
ns
ns
Test conditions
Min.
Typ.
Max.
Unit
-
19
76
A
A
1.5
V
Source drain diode
Parameter
Source-drain current
Source-drain current (pulsed)
Forward on voltage
ISD= 18.5 A, VGS=0
-
Reverse recovery time
Reverse recovery charge
Reverse recovery current
ISD= 18.5 A, VDD= 60 V
di/dt = 100 A/µs,
(see Figure 21)
-
548
12
46
ns
μC
A
Reverse recovery time
Reverse recovery charge
Reverse recovery current
ISD= 18.5 A,VDD= 60 V
di/dt=100 A/µs,
Tj=150 °C
(see Figure 21)
-
660
15
45
ns
μC
A
Min.
Typ.
Max.
Unit
30
-
-
V
Pulsed: pulse duration = 300µs, duty cycle 1.5%
Table 8.
Symbol
Gate-source Zener diode
Parameter
Test conditions
V(BR)GSO Gate-source breakdown voltage IGS = ±1 mA, ID = 0
The built-in-back Zener diodes have specifically been designed to enhance not only the
device’s ESD capability, but also to make them safely absorb possible voltage transients that
may occasionally be applied from gate to source. In this respect the Zener voltage is
appropriate to achieve an efficient and cost-effective intervention to protect the device’s
integrity. These integrated Zener diodes thus avoid the usage of external components.
Doc ID 16744 Rev 6
5/22
Electrical characteristics
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
2.1
Electrical characteristics (curves)
Figure 2.
Safe operating area for TO-220 /
D2PAK
Thermal impedance for TO-220 /
D2PAK
Figure 5.
Thermal impedance for TO-220FP
Figure 7.
Thermal impedance for TO-247
!-V
O
N
/P
,IM ERA
ITE TION
D IN
BY TH
M IS
AX AR
2 EA
IS
$3
)$
!
Figure 3.
S
S
MS
MS
4J #
4C #
3INGLE
PULSE
Figure 4.
Safe operating area for TO-220FP
!-V
)$
!
6$36
IS
EA
AR 3ON
$
TH 2
IN AX
N
M
TIO Y
RA B
PE ED
/ IMIT
,
IS
S
S
MS
MS
4J #
4C #
3INGLE
PULSE
Figure 6.
6$36
Safe operating area for TO-247
!-V
)$
!
A
ON
$3
/P
,IM ERA
ITE TION
D IN
BY TH
M IS
AX AR
2 E
IS
S
S
MS
MS
4J #
4C #
3INGLE
PULSE
6/22
6$36
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 8.
Output characteristics
Figure 9.
!-V
)$ !
Electrical characteristics
6'3 6
Transfer characteristics
!-V
)$!
6$3 6
6
6
6
6$36
6'36
Figure 10. Gate charge vs gate-source voltage Figure 11. Static drain-source on resistance
!-V
6'3
6 6$3
6$3 6
6$$ 6
)$ !
!-V
2$3ON
/HM
6'3 6
1GN#
Figure 12. Capacitance variations
#ISS
)$!
Figure 13. Output capacitance stored energy
!-V
#
P&
%OSS
*
!-V
#OSS
#RSS
6$36
Doc ID 16744 Rev 6
6$36
7/22
Electrical characteristics
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 14. Normalized gate threshold voltage
vs temperature
!-V
6'3TH
NORM
)$ !
Figure 15. Normalized on-resistance vs
temperature
!-V
2$3ON
NORM
)$ !
6'3 6
Figure 16. Source-drain diode forward
characteristics
4* #
Figure 17. Normalized BVDSS vs temperature
!-V
63$ 6
4* #
4*
#
!-V
"6$33
NORM
)$ M!
4* #
4* #
)3$!
Figure 18. Maximum avalanche energy vs
starting Tj
AM11194v1
EAS
(mJ)
ID=6 A
VDD=50 V
200
180
160
140
120
100
80
60
40
20
0
0
8/22
20
40
60
80
100 120 140 TJ(°C)
Doc ID 16744 Rev 6
4* #
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
3
Test circuits
Test circuits
Figure 19. Switching times test circuit for
resistive load
Figure 20. Gate charge test circuit
VDD
12V
47kΩ
1kΩ
100nF
3.3
μF
2200
RL
μF
VGS
IG=CONST
VDD
100Ω
Vi=20V=VGMAX
VD
RG
2200
μF
D.U.T.
D.U.T.
VG
2.7kΩ
PW
47kΩ
1kΩ
PW
AM01468v1
AM01469v1
Figure 21. Test circuit for inductive load
Figure 22. Unclamped inductive load test
switching and diode recovery times
circuit
A
A
D.U.T.
FAST
DIODE
B
B
L
A
D
G
VD
L=100μH
S
3.3
μF
B
25 Ω
1000
μF
D
VDD
2200
μF
3.3
μF
VDD
ID
G
RG
S
Vi
D.U.T.
Pw
AM01470v1
Figure 23. Unclamped inductive waveform
AM01471v1
Figure 24. Switching time waveform
ton
V(BR)DSS
tdon
VD
toff
tr
tdoff
tf
90%
90%
IDM
10%
ID
VDD
10%
0
VDD
VDS
90%
VGS
AM01472v1
0
Doc ID 16744 Rev 6
10%
AM01473v1
9/22
Package mechanical data
4
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Package mechanical data
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.
10/22
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Table 9.
Package mechanical data
D²PAK (TO-263) mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.40
4.60
A1
0.03
0.23
b
0.70
0.93
b2
1.14
1.70
c
0.45
0.60
c2
1.23
1.36
D
8.95
9.35
D1
7.50
E
10
E1
8.50
10.40
e
2.54
e1
4.88
5.28
H
15
15.85
J1
2.49
2.69
L
2.29
2.79
L1
1.27
1.40
L2
1.30
1.75
R
V2
0.4
0°
8°
Doc ID 16744 Rev 6
11/22
Package mechanical data
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 25. D²PAK (TO-263) drawing
0079457_T
Figure 26. D²PAK footprint(a)
16.90
12.20
5.08
1.60
3.50
9.75
a. All dimensions are in millimeters
12/22
Doc ID 16744 Rev 6
Footprint
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Table 10.
Package mechanical data
TO-220FP mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.4
4.6
B
2.5
2.7
D
2.5
2.75
E
0.45
0.7
F
0.75
1
F1
1.15
1.70
F2
1.15
1.70
G
4.95
5.2
G1
2.4
2.7
H
10
10.4
L2
16
L3
28.6
30.6
L4
9.8
10.6
L5
2.9
3.6
L6
15.9
16.4
L7
9
9.3
Dia
3
3.2
Doc ID 16744 Rev 6
13/22
Package mechanical data
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 27. TO-220FP drawing
7012510_Rev_K_B
14/22
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Table 11.
Package mechanical data
TO-220 type A mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.40
4.60
b
0.61
0.88
b1
1.14
1.70
c
0.48
0.70
D
15.25
15.75
D1
1.27
E
10
10.40
e
2.40
2.70
e1
4.95
5.15
F
1.23
1.32
H1
6.20
6.60
J1
2.40
2.72
L
13
14
L1
3.50
3.93
L20
16.40
L30
28.90
∅P
3.75
3.85
Q
2.65
2.95
Doc ID 16744 Rev 6
15/22
Package mechanical data
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 28. TO-220 type A drawing
0015988_typeA_Rev_S
16/22
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Table 12.
Package mechanical data
TO-247 mechanical data
mm.
Dim.
Min.
Typ.
Max.
A
4.85
5.15
A1
2.20
2.60
b
1.0
1.40
b1
2.0
2.40
b2
3.0
3.40
c
0.40
0.80
D
19.85
20.15
E
15.45
15.75
e
5.30
L
14.20
14.80
L1
3.70
4.30
5.45
L2
5.60
18.50
∅P
3.55
3.65
∅R
4.50
5.50
S
5.30
5.50
Doc ID 16744 Rev 6
5.70
17/22
Package mechanical data
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 29. TO-247 drawing
0075325_G
18/22
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
5
Packaging mechanical data
Packaging mechanical data
Table 13.
D²PAK (TO-263) tape and reel mechanical data
Tape
Reel
mm
mm
Dim.
Dim.
Min.
Max.
A0
10.5
10.7
A
B0
15.7
15.9
B
1.5
D
1.5
1.6
C
12.8
D1
1.59
1.61
D
20.2
E
1.65
1.85
G
24.4
F
11.4
11.6
N
100
K0
4.8
5.0
T
P0
3.9
4.1
P1
11.9
12.1
Base qty
1000
P2
1.9
2.1
Bulk qty
1000
R
50
T
0.25
0.35
W
23.7
24.3
Doc ID 16744 Rev 6
Min.
Max.
330
13.2
26.4
30.4
19/22
Packaging mechanical data
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
Figure 30. Tape for D²PAK (TO-263) and DPAK (TO-252)
10 pitches cumulative
tolerance on tape +/- 0.2 mm
T
P0
Top cover
tape
P2
D
E
F
W
K0
B0
A0
P1
D1
User direction of feed
R
Bending radius
User direction of feed
AM08852v2
Figure 31. Reel for D²PAK (TO-263) and DPAK (TO-252)
T
REEL DIMENSIONS
40mm min.
Access hole
At sl ot location
B
D
C
N
A
Full radius
Tape slot
in core for
tape start 25 mm min.
width
G measured at hub
AM08851v2
20/22
Doc ID 16744 Rev 6
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
6
Revision history
Revision history
Table 14.
Document revision history
Date
Revision
05-Nov-2009
1
First release.
18-Nov-2009
2
Updated description on cover page
12-Jan-2010
3
Corrected VGS value in Table 2: Absolute maximum ratings
14-Jul-2010
4
Document status promoted from preliminary data to datasheet.
5
– Inserted device in D2PAK.
– Updated Figure 2: Safe operating area for TO-220 / D2PAK,
Figure 4: Safe operating area for TO-220FP and Figure 6:
Safe operating area for TO-247.
– Inserted Section 5: Packaging mechanical data on page 19.
– Minor text changes.
6
–
–
–
–
–
21-Dec-2011
12-Oct-2012
Changes
Updated: Qg value (test conditions) in Table 5
Updated: Td(on) value (test conditions) in Table 6
Updated: values (test conditions) in Table 8
Updated: Figure 10
Updated: Section 4: Package mechanical data
Doc ID 16744 Rev 6
21/22
STB21N90K5, STF21N90K5, STP21N90K5, STW21N90K5
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Doc ID 16744 Rev 6
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