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Symbol Test Conditions Characteristic Values
(TJ = 25°C, unless otherwise specified)
min. typ. max.
gfs VDS = 20 V; ID = 0.5 • ID25, pulse test 1 4 2 0 S
Ciss 3350 pF
Coss VGS = 0 V, VDS = 25 V, f = 1 MHz 4 25 p F
Crss 130 pF
td(on) 25 ns
trVGS = 10 V, VDS = 0.5 • VDSS, ID = 0.5 • ID25 28 ns
td(off) RG= 2.0 W (External), 5 1 ns
tf12 ns
Qg(on) 90 nC
Qgs VGS = 10 V, VDS = 0.5 • VDSS, ID = 0.5 • ID25 20 nC
Qgd 40 nC
RthJC 0.45 K/W
RthCK (TO-247) 0.25 K/W
Source-Drain Diode Characteristic Values
(TJ = 25°C, unless otherwise specified)
Symbol Test Conditions min. typ. max.
ISVGS = 0 V 21 A
ISM Repetitive; pulse width limited by TJM 84 A
VSD IF = IS, VGS = 0 V, 1 .3 V
Pulse test, t £ 300 ms, duty cycle d £ 2 %
trr 250 ns
QRM IF = IS, -di/dt = 100 A/ms, VR = 100 V 0.85 mC
IRM 8A
IXFH 21N50Q
IXFT 21N50Q
TO-247 AD (IXFH) Outline
Dim. Millimeter Inches
Min. Max. Min. Max.
A 19.81 20.32 0.780 0.800
B 20.80 21.46 0.819 0.845
C 15.75 16.26 0.610 0.640
D 3.55 3.65 0.140 0.144
E 4.32 5.49 0.170 0.216
F 5.4 6.2 0.212 0.244
G 1.65 2.13 0.065 0.084
H - 4.5 - 0.177
J 1.0 1.4 0.040 0.055
K 10.8 11.0 0.426 0.433
L 4.7 5.3 0.185 0.209
M 0.4 0.8 0.016 0.031
N 1.5 2.49 0.087 0.102
Dim. Millimeter Inches
Min. Max. Min. Max.
A 4.9 5.1 .193 .201
A12.7 2.9 .106 .114
A2.02 .25 .001 .010
b 1.15 1.45 .045 .057
b21.9 2.1 .75 .83
C .4 .65 .016 .026
D 13.80 14.00 .543 .551
E 15.85 16.05 .624 .632
E113.3 13.6 .524 .535
e 5.45 BSC .215 BSC
H 18.70 19.10 .736 .752
L 2.40 2.70 .094 .106
L1 1.20 1.40 .047 .055
L2 1.00 1.15 .039 .045
L3 0.25 BSC .010 BSC
L4 3.80 4.10 .150 .161
TO-268AA (D3 PAK) Min. Recommended Footprint
IXYS MOSFETS and IGBTs are covered by one or more of the following U.S. patents:
4,835,592 4,881,106 5,017,508 5,049,961 5,187,117 5,486,715
4,850,072 4,931,844 5,034,796 5,063,307 5,237,481 5,381,025