© 2009 IXYS CORPORATION, All rights reserved
Symbol Test Conditions Maximum Ratings
VDSS TJ= 25°C to 150°C 500 V
VDGR TJ= 25°C to 150°C, RGS = 1MΩ 500 V
VGSS Continuous ±20 V
VGSM Transient ±30 V
ID25 TC= 25°C 40 A
IDM TC= 25°C, pulse width limited by TJM 80 A
IATC= 25°C 40 A
EAS TC= 25°C 2 J
PDTC= 25°C 540 W
TJ -55 to +150 °C
TJM +150 °C
Tstg -55 to +150 °C
TL1.6mm (0.063in) from case for 10s 300 °C
TSOLD Plastic body for 10s 260 °C
MdMounting torque (TO-247&TO-3P) 1.13/10 Nm/lb.in.
Weight TO-247 6.0 g
TO-3P 5.5 g
TO-268 4.0 g
N-Channel Enhancement Mode
Avalanche rated
Symbol Test Conditions Characteristic Values
(TJ = 25°C, unless otherwise specified) Min. Typ. Max.
BVDSS VGS = 0V, ID = 1mA 500 V
VGS(th) VDS = VGS, ID = 250μA 2.5 4.5 V
IGSS VGS = ±20V, VDS = 0V ±100 nA
IDSS VDS = VDSS 50 μA
VGS = 0V TJ = 125°C 300 μA
RDS(on) VGS = 10V, ID = 0.5 ID25, Note 1 170 mΩ
Linear L2TM Power
MOSFET with extended
FBSOA
IXTH40N50L2
IXTQ40N50L2
IXTT40N50L2
DS100100(01/09)
VDSS = 500V
ID25 = 40A
RDS(on)
170mΩΩ
ΩΩ
Ω
Features
zDesigned for linear operation
zInternational standard packages
zAvalanche rated
zMolding epoxies meet UL 94 V-0
flammability classification
zGuaranteed FBSOA at 75°C
Applications
zSolid state circuit breakers
zSoft start controls
zLinear amplifiers
zProgrammable loads
zCurrent regulators
Preliminary Technical Information
G = Gate D = Drain
S = Source TAB = Drain
TO-247
TO-3P
DS
G
TO-268
GS
(TAB)
(TAB)
(TAB)
IXYS reserves the right to change limits, test conditions, and dimensions.
IXTH40N50L2 IXTQ40N50L2
IXTT40N50L2
Symbol Test Conditions Characteristic Values
(TJ = 25°C, unless otherwise specified) Min. Typ. Max.
gfs VDS = 10V, ID = 0.5 • ID25, Note 1 11 15 19 S
Ciss 10.4 nF
Coss VGS = 0V, VDS = 25V, f = 1MHz 655 pF
Crss 155 pF
td(on) 50 ns
tr 133 ns
td(off) 127 ns
tf 44 ns
Qg(on) 320 nC
Qgs VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25 64 nC
Qgd 198 nC
RthJC 0.23 °C/W
RthCS (TO-247&TO-3P) 0.25 °C/W
Safe Operating Area Specification
Symbol Test Conditions Min. Typ. Max.
SOA VDS = 400V, ID = 0.8A, TC = 75°C, tp = 3s 320 W
Source-Drain Diode Characteristic Values
(TJ = 25°C, unless otherwise specified)
Symbol Test Conditions Min. Typ. Max.
ISVGS = 0V 40 A
ISM Repetitive, pulse width limited by TJM 160 A
VSD IF = IS, VGS = 0V, Note 1 1.5 V
trr IF = IS, -di/dt = 100A/μs, VR = 100V 500 ns
Note 1: Pulse test, t 300μs; 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: 4,850,072 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
TO-247 (IXTH) Outline
Terminals: 1 - Gate 2 - Drain
3 - Source Tab - Drain
Resistive Switching Times
VGS = 10V, VDS = 0.5 • VDSS, ID = 0.5 • ID25
RG = 2Ω (External)
e
P
1 2 3
TO-268 (IXTT) Outline
PRELIMINARY TECHNICAL INFORMATION
The product presented herein is under development. The Technical Specifications offered are derived
from data gathered during objective characterizations of preliminary engineering lots; but also may yet
contain some information supplied during a pre-production design evaluation. IXYS reserves the right
to change limits, test conditions, and dimensions without notice.
Dim. Millimeter Inches
Min. Max. Min. Max.
A 4.7 5.3 .185 .209
A12.2 2.54 .087 .102
A22.2 2.6 .059 .098
b 1.0 1.4 .040 .055
b11.65 2.13 .065 .084
b22.87 3.12 .113 .123
C .4 .8 .016 .031
D 20.80 21.46 .819 .845
E 15.75 16.26 .610 .640
e 5.20 5.72 0.205 0.225
L 19.81 20.32 .780 .800
L1 4.50 .177
P 3.55 3.65 .140 .144
Q 5.89 6.40 0.232 0.252
R 4.32 5.49 .170 .216
S 6.15 BSC 242 BSC
TO-3P (IXTQ) Outline
© 2009 IXYS CORPORATION, All rights reserved
IXTH40N50L2 IXTQ40N50L2
IXTT40N50L2
Fig. 1. Ou tp u t C h aracteri sti cs
@ 25ºC
0
5
10
15
20
25
30
35
40
012345678
V
DS
- Vo lt s
I
D
- A mp ere s
V
GS
= 20V
12V
10V
7
V
6V
8
V
9
V
5
V
Fig. 2. Extended Output Characteristics
@ 25º C
0
10
20
30
40
50
60
70
80
90
0 5 10 15 20 25 30
V
DS
- Volts
I
D
- A mp ere s
V
GS
= 20V
12V
10V
9V
7
V
6
V
5
V
8
V
Fi g . 3. Ou tp u t C h ar acter i stic s
@ 125ºC
0
5
10
15
20
25
30
35
40
0246810121416
V
DS
- Volts
I
D
- A m p ere s
V
GS
= 20V
12V
10V
9V
5
V
7V
6V
8V
Fig. 4. RDS(on) Normalized to ID = 20A Value
vs. Junction Temperature
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
-50 -25 0 25 50 75 100 125 150
T
J
- Degrees Centigrade
R
DS(on)
- N orma lize d
V
GS
= 10V
I
D
= 40A
I
D
= 20A
Fig. 5. RDS(on) Normalized to ID = 20A Value
vs. D r ain C u r r en t
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
0 102030405060708090
I
D
- Amperes
R
DS(on)
- N orma lize d
V
GS
= 10V T
J
= 125ºC
T
J
= 25ºC
Fi g . 6. Maximum Dr ai n C ur r en t vs.
Case Temp eratu re
0
5
10
15
20
25
30
35
40
45
-50 -25 0 25 50 75 100 125 150
T
C
- Deg rees Centigrade
I
D
- A m p ere s
IXYS REF: T_40N50L2(8R)01-20-09-A
IXYS reserves the right to change limits, test conditions, and dimensions.
IXTH40N50L2 IXTQ40N50L2
IXTT40N50L2
Fi g . 7. I n p u t Admi ttan ce
0
10
20
30
40
50
60
70
3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
V
GS
- Volts
I
D
- A mpe re s
T
J
= 125ºC
2C
- 4C
Fig. 8. Transconductance
0
3
6
9
12
15
18
21
24
27
30
33
36
0 10203040506070
I
D
- Amp e re s
g
f s
- S iemen s
T
J
= - 40ºC
125ºC
25ºC
Fig. 9. Forward Voltage Drop of
In tr in si c Di o de
0
10
20
30
40
50
60
70
80
90
100
110
120
0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
V
SD
- Volts
I
S
- Am peres
T
J
= 125ºC
T
J
= 25ºC
Fig. 10. Gate Charge
0
2
4
6
8
10
12
14
16
0 50 100 150 200 250 300 350 400 450
Q
G
- NanoCoulom bs
V
GS
- V o lt s
V
DS
= 250V
I
D
= 20A
I
G
= 10mA
Fi g . 11. C ap aci tan ce
100
1,000
10,000
100,000
0 5 10 15 20 25 30 35 40
V
DS
- Volts
Capacitance - PicoFarads
f
= 1 MHz
Ciss
Crss
Coss
Fi g . 12. Maxi mu m Tr an si ent Ther mal
Impedance
0.001
0.010
0.100
1.000
0.00001 0.0001 0.001 0.01 0.1 1 10
Pulse Width - Seconds
Z
(th)JC
- ºC / W
© 2009 IXYS CORPORATION, All rights reserved
IXTH40N50L2 IXTQ40N50L2
IXTT40N50L2
IXYS REF: T_40N50L2(8R)01-20-09-A
Fi g . 13. F o r war d-B i as Safe Op er atin g Area
@ T
C
= 25ºC
0
1
10
100
10 100 1000
V
DS
- Volt s
I
D
- Amperes
T
J
= 150ºC
T
C
= 25ºC
Single Pulse
25µs
1ms
100µs
RDS(on) Limit
10ms
DC
100ms
Fig. 14. Forward-Bias Safe Operating Area
@ T
C
= 75ºC
0
1
10
100
10 100 1000
V
DS
- V olt s
I
D
- Am peres
T
J
= 150ºC
T
C
= 75ºC
Single Pulse
25µs
1ms
100µs
RDS(on) Limit
10ms
DC 100ms