
IXYS reserves the right to change limits, test conditions, and dimensions.
IXFH44N50P IXFT 44N50P
IXFK 44N50P
IXYS MOSFETs and IGBTs are covered by 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
one or moreof the following U.S. patents: 4,850,072 5,017,508 5,063,307 5,381,025 6,259,123 B1 6,534,343 6,710,405B2 6,759,692
4,881,106 5,034,796 5,187,117 5,486,715 6,306,728 B1 6,583,505 6,710,463
Symbol Test Conditions Characteristic Values
(TJ = 25°C, unless otherwise specified)
Min. Typ. Max.
gfs VDS= 20 V; ID = 0.5 ID25, pulse test 32 S
Ciss 5440 pF
Coss VGS = 0 V, VDS = 25 V, f = 1 MHz 639 pF
Crss 40 pF
td(on) 25 ns
trVGS = 10 V, VDS = 0.5 VDSS, ID = ID25 27 ns
td(off) RG = 3 Ω (External) 70 ns
tf18 ns
Qg(on) 98 nC
Qgs VGS= 10 V, VDS = 0.5 VDSS, ID = 0.5 ID25 35 nC
Qgd 30 nC
RthJC 0.19 K/W
RthCK (TO-247) 0.21 K/W
(TO-264) 0.15 K/W
Source-Drain Diode Characteristic Values
(TJ = 25°C, unless otherwise specified)
Symbol Test Conditions Min. typ. Max.
ISVGS = 0 V 44 A
ISM Repetitive 132 A
VSD IF = IS, VGS = 0 V, 1.5 V
Pulse test, t ≤ 300 µs, duty cycle d ≤ 2 %
trr IF = 22 A, 200 ns
QRM -di/dt = 100 A/µs 0.6 µC
IRM VR = 100V 6.0 A
TO-247 AD (IXFH) Outline
Terminals:
1 - Gate
2 - Drain
3 - Source
Tab - Drain
1 2 3
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-268 (IXTT) Outline
Millimeter Inches
Min. Max. Min. Max.
A 4.82 5.13 .190 .202
A1 2.54 2.89 .100 .114
A2 2.00 2.10 .079 .083
b 1.12 1.42 .044 .056
b1 2.39 2.69 .094 .106
b2 2.90 3.09 .114 .122
c 0.53 0.83 .021 .033
D 25.91 26.16 1.020 1.030
E 19.81 19.96 .780 .786
e 5.46 BSC .215 BSC
J 0.00 0.25 .000 .010
K 0.00 0.25 .000 .010
L 20.32 20.83 .800 .820
L1 2.29 2.59 .090 .102
P 3.17 3.66 .125 .144
Q 6.07 6.27 .239 .247
Q1 8.38 8.69 .330 .342
R 3.81 4.32 .150 .170
R1 1.78 2.29 .070 .090
S 6.04 6.30 .238 .248
T 1.57 1.83 .062 .072
Dim.
TO-264 Outline