© 2017 IXYS CORPORATION, All Rights Reserved
Symbol Test Conditions Maximum Ratings
VDSS TJ= 25C to 150C 250 V
VDGR TJ= 25C to 150C, RGS = 1M250 V
VGSS Continuous 20 V
VGSM Transient 30 V
ID25 TC= 25C 146 A
IDM TC= 25C, Pulse Width Limited by TJM 400 A
IATC= 25C85A
EAS TC= 25C 2.3 J
PDTC= 25C 390 W
dv/dt IS IDM, VDD VDSS, TJ 150°C 20 V/ns
TJ-55 ... +150 C
TJM 150 C
Tstg -55 ... +150 C
VISOL 50/60 Hz, RMS t = 1 minute 2500 V~
IISOL 1mA t = 1 second 3000 V~
Md Mounting Torque 1.5/13 Nm/lb.in
Terminal Connection Torque 1.3/11.5 Nm/lb.in
Weight 30 g
Symbol Test Conditions Characteristic Values
(TJ = 25C Unless Otherwise Specified) Min. Typ. Max.
BVDSS VGS = 0V, ID = 1mA 250 V
VGS(th) VDS = VGS, ID = 4mA 2.5 4.5 V
IGSS VGS = 20V, VDS = 0V 100 nA
IDSS VDS = VDSS, VGS = 0V 10 A
TJ = 125C 1 mA
RDS(on) VGS = 10V, ID = 85A, Note 1 6.1 7.4 m
IXFN170N25X3 VDSS = 250V
ID25 = 146A
RDS(on)
7.4m
DS100825A(4/17)
N-Channel Enhancement Mode
Avalanche Rated
Fast Intrinsic Diode
X3-Class HiPerFETTM
Power MOSFET
Features
International Standard Package
miniBLOC, with Aluminium Nitride
Isolation
Isolation Voltage 2500 V~
High Current Handling Capability
Fast Intrinsic Diode
Avalanche Rated
Low RDS(on)
Advantages
High Power Density
Easy to Mount
Space Savings
Applications
Switch-Mode and Resonant-Mode
Power Supplies
DC-DC Converters
PFC Circuits
AC and DC Motor Drives
Robotics and Servo Controls
miniBLOC, SOT-227


E153432
G
D
S
S
G = Gate D = Drain
S = Source
S
S
D
G
Advance Technical Information
IXYS Reserves the Right to Change Limits, Test Conditions, and Dimensions.
IXFN170N25X3
Note 1. Pulse test, t 300s, duty cycle, d 2%.
IXYS MOSFETs and IGBTs are covered 4,835,592 4,931,844 5,049,961 5,237,481 6,162,665 6,404,065 B1 6,683,344 6,727,585 7,005,734 B2 7,157,338B2
by one or more of the following U.S. patents: 4,860,072 5,017,508 5,063,307 5,381,025 6,259,123 B1 6,534,343 6,710,405 B2 6,759,692 7,063,975 B2
4,881,106 5,034,796 5,187,117 5,486,715 6,306,728 B1 6,583,505 6,710,463 6,771,478 B2 7,071,537
Source-Drain Diode
Symbol Test Conditions Characteristic Values
(TJ = 25C, Unless Otherwise Specified) Min. Typ. Max.
ISVGS = 0V 170 A
ISM Repetitive, Pulse Width Limited by TJM 680 A
VSD IF = 100A, VGS = 0V, Note 1 1.4 V
trr 135 ns
QRM 980 nC
IRM 13 A
IF = 85A, -di/dt = 100A/s
VR = 100V, VGS = 0V
SOT-227B (IXFN) Outline
(M4 screws (4x) supplied)
Symbol Test Conditions Characteristic Values
(TJ = 25C, Unless Otherwise Specified) Min. Typ. Max
gfs VDS = 10V, ID = 60A, Note 1 66 110 S
RGi Gate Input Resistance 1.3
Ciss 13.5 nF
Coss VGS = 0V, VDS = 25V, f = 1MHz 2.3 nF
Crss 1.6 pF
Co(er) 800 pF
Co(tr) 3280 pF
td(on) 18 ns
tr 10 ns
td(off) 62 ns
tf 7 ns
Qg(on) 190 nC
Qgs VGS = 10V, VDS = 0.5 VDSS, ID = 85A 55 nC
Qgd 45 nC
RthJC 0.32 C/W
RthCS 0.05 C/W
Resistive Switching Times
VGS = 10V, VDS = 0.5 • VDSS, ID = 85A
RG = 5(External)
Effective Output Capacitance
Energy related
Time related
VGS = 0V
VDS = 0.8 • VDSS
ADVANCE TECHNICAL INFORMATION
The product presented herein is under development. The Technical Specifications offered are
derived from a subjective evaluation of the design, based upon prior knowledge and experi-
ence, and constitute a "considered reflection" of the anticipated result. IXYS reserves the right
to change limits, test conditions, and dimensions without notice.
© 2017 IXYS CORPORATION, All Rights Reserved
IXFN170N25X3
Fig. 1. Output Characteristics @ T
J
= 25
o
C
0
20
40
60
80
100
120
140
160
180
0 0.2 0.4 0.6 0.8 1 1.2 1.4
V
DS
- Volts
I
D
- Amperes
V
GS
= 10V
8V
6V
5V
7V
4V
Fig. 3. Output Characteristics @ T
J
= 125
o
C
0
20
40
60
80
100
120
140
160
180
00.511.522.53
V
DS
- Volts
I
D
- Amperes
V
GS
= 10V
8V
4V
7V
6V
5V
Fig. 4. R
DS(on)
Normalized to I
D
= 85A Value vs.
Junction Temperature
0.4
0.8
1.2
1.6
2.0
2.4
2.8
-50 -25 0 25 50 75 100 125 150
T
J
- Degrees Centigrade
R
DS(on)
- Normalized
V
GS
= 10V
I
D
= 170A
I
D
= 85A
Fig. 5. R
DS(on)
Normalized to I
D
= 85A Value vs.
Drain Current
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0 100 200 300 400 500 600 700 800
I
D
- Amperes
R
DS(on)
- Normalized
V
GS
= 10V
T
J
= 125
o
C
T
J
= 25
o
C
Fig. 2. Extended Output Characteristics @ T
J
= 25
o
C
0
100
200
300
400
500
600
700
800
0 5 10 15 20 25 30
V
DS
- Volts
I
D
- Amperes
V
GS
= 10V
6V
8V
7V
9V
5V
Fig. 6. Normalized Breakdown & Threshold Voltages
vs. Junction Temperature
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
-60 -40 -20 0 20 40 60 80 100 120 140 160
T
J
- Degrees Centigrade
BV
DSS
/ V
GS(th)
- Normalized
BV
DSS
V
GS(th)
BV
DSS
IXYS Reserves the Right to Change Limits, Test Conditions, and Dimensions.
IXFN170N25X3
Fig. 7. Maximum Drain Current vs. Case Temperature
0
20
40
60
80
100
120
140
160
-50 -25 0 25 50 75 100 125 150
T
C
- Degrees Centigrade
I
D
- Amperes
Fig. 9. Transconductance
0
40
80
120
160
200
240
0 40 80 120 160 200 240
I
D
- Amperes
g
f s
- Siemens
25
o
C
125
o
C
T
J
= - 40
o
C
Fig. 10. Forward Voltage Drop of Intrinsic Diode
0
100
200
300
400
500
600
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
V
SD
- Volts
I
S
- Amperes
T
J
= 25
o
C
T
J
= 125
o
C
Fig. 11. Gate Charge
0
1
2
3
4
5
6
7
8
9
10
0 20 40 60 80 100 120 140 160 180 200
Q
G
- NanoCoulombs
V
GS
- Volts
V
DS
= 125V
I
D
= 85A
I
G
= 10mA
Fig. 12. Capacitance
1
10
100
1,000
10,000
100,000
1 10 100 1,000
V
DS
- Volts
Capacitance - PicoFarad
s
f
= 1 MHz
Ciss
Crss
Coss
Fig. 8. Input Admittance
0
50
100
150
200
250
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
V
GS
- Volts
I
D
- Amperes
T
J
= 125
o
C
25
o
C
- 40
o
C
© 2017 IXYS CORPORATION, All Rights Reserved
IXFN170N25X3
IXYS REF: F_170N25X3(28-S301) 4-24-17
Fig. 15. Maximum Transient Thermal Impedance
0.001
0.01
0.1
1
0.00001 0.0001 0.001 0.01 0.1 1 10
Pulse Width - Seconds
Z
(th)JC
- K / W
Fig. 14. Forward-Bias Safe Operating Area
0.1
1
10
100
1000
1 10 100 1,000
V
DS
- Volts
I
D
- Amperes
T
J
= 150
o
C
T
C
= 25
o
C
Sin
g
le Pulse
1ms
100μs
R
DS(
on
)
Limit
10ms
DC
25μs
Fig. 13. Output Capacitance Stored Energy
0
4
8
12
16
20
24
0 40 80 120 160 200 240
V
DS
- Volts
E
OSS
- MicroJoules
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