September 2012 Doc ID 018493 Rev 1 1/19
19
STB46NF30,  STP46NF30, STW46NF30
N-channel 300 V, 0.063  typ, 42 A, STripFET™ II Power MOSFET
in D2PAK, TO-220 and TO-247 packages Datasheet — production data
Features
– Automotive
Description
These Power MOSFETs have been developed using STMicroelectronics’ unique STripFET process, which is specifically designed to minimize input capacitance and gate charge. This renders the devices suitable for use as primary switch in advanced high-efficiency isolated DC- DC converters for telecom and computer applications, and applications with low gate charge driving requirements.
Figure 1. Internal schematic diagram
 
D²PAK
STB46NF30 46NF30 D²PAK Tape and reel
STP46NF30 46NF30 TO-220 Tube
STW46NF30 46NF30 To-247 Tube
Contents
3 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Doc ID 018493 Rev 1 3/19
1 Electrical ratings
Symbol Parameter Value Unit
ID Drain current (continuous) at TC = 25 °C 42 A
ID Drain current (continuous) at TC = 100 °C 27 A
IDM (1)
Drain current (pulsed) 168 A
Ptot Total dissipation at TC = 25 °C 300 W
Derating factor 2 W/°C
dv/dt (2)
2. ISD ≤ 34 A, di/dt ≤200 A/µs, VDD ≤ 80% V(BR)DSS.
Peak diode recovery voltage slope 10 V/ns
Tstg Storage temperature -55 to 175 °C
T j Max. operating junction temperature 175 °C
Table 3. Thermal data
Rthj-amb Thermal resistance junction-ambient max 30 62.5 50 °C/W
Rthj-pcb Thermal resistance junction-pcb max 30 °C/W
TJ Maximum lead temperature for soldering
purpose 300 °C
1. Pulse width limited by Tjmax
26 A
EAS (2)
2. Starting T j = 25 °C, ID = IAR, VDD = 50 V
Single pulse avalanche energy 290 mJ
 
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2 Electrical characteristics
Table 5. On/off states
V(BR)DSS Drain-source
IDSS
1
10
µA
µA
current (VDS = 0) VGS = ± 20 V ±100 nA
VGS(th) Gate threshold voltage VDS = VGS, ID = 250 µA 2 3 4 V
RDS(on) Static drain-source on-
resistance VGS = 10 V, ID = 17 A 0.063 0.075
Table 6. Dynamic
Ciss
Coss
Crss
VGS = 0 -
RG = 4.7 VGS = 10 V
(see Figure 16 )
VGS = 10 V
(see Figure 17 )
Doc ID 018493 Rev 1 5/19
  Table 7. Source drain diode
Symbol Parameter Test conditions Min. Typ. Max. Unit
ISD
Source-drain current
Source-drain current
Forward on voltage ISD = 34 A, VGS = 0 - 1.6 V
trr Qrr
(see Figure 18 )
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2.1 Electrical characteristics (curves) 
Figure 3. Thermal impedance for D2PAK and TO-220
 
Figure 4. Safe operating area for TO-247 Figure 5. Thermal impedance for TO-247  
Figure 6. Output characteristics Figure 7. Transfer characteristics  
ID
100
10
1
(A)
  n    i  n     t   h   i
  s   a   r  e
  d    b  y    m
  a  x     R   D
(A)
  n    i  n     t   h   i
  s   a   r  e
  d    b  y    m
  a  x     R   D
Doc ID 018493 Rev 1 7/19
Figure 8. Normalized BVDSS vs temperature Figure 9. Static drain source on-resistance  
Figure 10. Gate charge vs gate-source voltage Figure 11. Capacitance variations  
Figure 12. Normalized gate threshold voltage vs temperature
Figure 13. Normalized on resistance vs temperature
 
(norm)
AM03370v1
8/19 Doc ID 018493 Rev 1
Figure 14. Source-drain diode forward characteristics
Figure 15. Avalanche energy vs starting Tj
 
ID=26 A
VDD=50 V
Doc ID 018493 Rev 1 9/19
3 Test circuits
Figure 17. Gate charge test circuit
 
Figure 18. Test circuit for inductive load switching and diode recovery times
Figure 19. Unclamped inductive load test circuit
 
Figure 20. Unclamped inductive waveform Figure 21. Switching time waveform  
AM01468v1
VGS
PW
VD
RG
RL
D.U.T.
2200
4 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.
Table 8. D²PAK (TO-263) mechanical data
Dim. mm
Figure 22. D²PAK (TO-263) drawing
Figure 23. D²PAK footprint(a)
a. All dimension are in millimeters
0079457_T
16.90
12.20
9.75
3.50
5.08
1.60
Footprint
Table 9. TO-220 type A mechanical data
Dim. mm
0015988_typeA_Rev_S
Table 10. TO-247 mechanical data
Dim. mm.
Figure 25. TO-247 drawing
5 Packaging mechanical data
Table 11. D²PAK (TO-263) tape and reel mechanical data
Tape Reel
Dim. mm
Dim. mm
D 1.5 1.6 C 12.8 13.2
D1 1.59 1.61 D 20.2
E 1.65 1.85 G 24.4 26.4
F 11.4 11.6 N 100
K0 4.8 5.0 T 30.4
P0 3.9 4.1
R 50
Figure 26. Tape
Figure 27. Reel
User direction of feed
C
N
tape start 25 mm min. width
AM08851v2
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6 Revision history
Date Revision Changes
 
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