Datasheet
IXYS Reserves the Right to Change Limits, Test Conditions, and Dimensions.
IXFK78N50P3
IXFX78N50P3
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
(T
J
= 25C, Unless Otherwise Specified) Min. Typ. Max.
I
S
V
GS
= 0V 78 A
I
SM
Repetitive, Pulse Width Limited by T
JM
310 A
V
SD
I
F
= I
S
, V
GS
= 0V, Note 1 1.5 V
t
rr
250 ns
Q
RM
1.2 μC
I
RM
13.0 A
I
F
= 39A, -di/dt = 100A/s
V
R
= 100V, V
GS
= 0V
Symbol Test Conditions Characteristic Values
(T
J
= 25C Unless Otherwise Specified) Min. Typ. Max.
g
fs
V
DS
= 10V, I
D
= 0.5 • I
D25
, Note 1 40 75 S
C
iss
9.9 nF
C
oss
V
GS
= 0V, V
DS
= 25V, f = 1MHz 970 pF
C
rss
5.0 pF
R
Gi
Gate Input Resistance 1.1
t
d(on)
30 ns
t
r
10 ns
t
d(off)
60 ns
t
f
7 ns
Q
g(on)
147 nC
Q
gs
V
GS
= 10V, V
DS
= 0.5 • V
DSS
, I
D
= 0.5 • I
D25
50 nC
Q
gd
38 nC
R
thJC
0.11C/W
R
thCS
0.15C/W
Resistive Switching Times
V
GS
= 10V, V
DS
= 0.5 • V
DSS
, I
D
= 0.5 • I
D25
R
G
= 1 (External)
Terminals: 1 - Gate
2 - Drain
3 - Source
PLUS 247
TM
Outline
Dim. Millimeter Inches
Min. Max. Min. Max.
A 4.83 5.21 .190 .205
A
1
2.29 2.54 .090 .100
A
2
1.91 2.16 .075 .085
b 1.14 1.40 .045 .055
b
1
1.91 2.13 .075 .084
b
2
2.92 3.12 .115 .123
C 0.61 0.80 .024 .031
D 20.80 21.34 .819 .840
E 15.75 16.13 .620 .635
e 5.45 BSC .215 BSC
L 19.81 20.32 .780 .800
L1 3.81 4.32 .150 .170
Q 5.59 6.20 .220 0.244
R 4.32 4.83 .170 .190
Terminals: 1 - Gate
2 - Drain
3 - Source
4 - Drain
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 AA Outline
PRELIMANARY 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.