© 2000 IXYS All rights reserved 1 - 2
VRSM VRRM Type
V V
1200 1200 DSEI 2x 30-12B DSEI 2x 31-12B
Symbol Test Conditions Maximum Ratings (per diode)
IFRMS TVJ = TVJM 70 A
IFAVM
ÿÿ
①TC = 50°C; rectangular, d = 0.5 28 A
IFRM tP < 10 ms; rep. rating, pulse width limited by TVJM 375 A
IFSM TVJ = 45°C; t = 10 ms (50 Hz), sine 200 A
t = 8.3 ms(60 Hz), sine 210 A
TVJ = 150°C; t = 10 ms (50 Hz), sine 185 A
t = 8.3 ms(60 Hz), sine 195 A
I2tTVJ = 45°C t = 10 ms (50 Hz), sine 200 A2s
t = 8.3 ms(60 Hz), sine 180 A2s
TVJ = 150°C; t = 10 ms (50 Hz), sine 170 A2s
t = 8.3 ms(60 Hz), sine 160 A2s
TVJ -40...+150 °C
TVJM 150 °C
Tstg -40...+150 °C
Ptot TC = 25°C 100 W
VISOL 50/60 Hz, RMS 2500 V~
IISOL £ 1 mA
MdMounting torque 1.5/13 Nm/lb.in.
Terminal connection torque (M4) 1.5/13 Nm/lb.in.
Weight 30 g
Symbol Test Conditions Characteristic Values (per diode)
typ. max.
IRTVJ = 25°CV
R= VRRM 0.75 mA
TVJ = 25°CV
R= 0.8 • VRRM 0.25 mA
TVJ = 125°CV
R= 0.8 • VRRM 7mA
VFIF = 30 A; TVJ =150°C 2.2 V
TVJ =25°C 2.55 V
VT0 For power-loss calculations only 1.65 V
rTTVJ = TVJM 18.2 mW
RthJC 1.25 K/W
RthCK 0.05 K/W
trr IF = 1 A; -di/dt = 100 A/ms; VR = 30 V; TVJ = 25 °C40 60 ns
IRM VR = 540 V; IF = 30 A; -diF/dt = 240 A/ms1618A
L £ 0.05 mH; TVJ = 100°C
DSEI 2x 30 IFAVM = 2x 28 A
DSEI 2x 31 VRRM = 1200 V
trr = 40 ns
① IFAVM rating includes reverse blocking losses at TVJM, VR = 0.8 VRRM, duty cycle d = 0.5
Data according to IEC 60747
IXYS reserves the right to change limits, test conditions and dimensions
Features
●International standard package
miniBLOC (ISOTOP compatible)
●Isolation voltage 2500 V~
●2 independent FRED in 1 package
●Planar passivated chips
●Very short recovery time
●Extremely low switching losses
●Low IRM-values
●Soft recovery behaviour
Applications
●Antiparallel diode for high frequency
switching devices
●Anti saturation diode
●Snubber diode
●Free wheeling diode in converters
and motor control circuits
●Rectifiers in switch mode power
supplies (SMPS)
●Inductive heating and melting
●Uninterruptible power supplies (UPS)
●Ultrasonic cleaners and welders
Advantages
●High reliability circuit operation
●Low voltage peaks for reduced
protection circuits
●Low noise switching
●Low losses
●Operating at lower temperature or
space saving by reduced cooling
DSEI 2x 30 DSEI 2x 31
Fast Recovery
Epitaxial Diode (FRED)
miniBLOC, SOT-227 B
E72873
009
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© 2000 IXYS All rights reserved 2 - 2
DSEI 2x 30, 1200 V
DSEI 2x 31, 1200 V
Fig. 7 Transient thermal impedance junction to case.
0 200 400 600
0
10
20
30
40
50
60
TVJ=125°C
IF=30A
diF/dt
tfr
VFR
tfr
ns
0
200
400
600
800
1000
1200
V
VFR
0 200 400 600
0.0
0.2
0.4
0.6
0.8
1.0
-diF/dt
trr
typ.
max.
0 40 80 120 160
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Kf
QR
IRM
°C
TJ
0 200 400 600
0
10
20
30
40
50
A
max.
typ.
1 10 100 1000
0
1
2
3
4
5
6
µC
IRM
-diF/dt
Qr
01234
0
10
20
30
40
50
60
70
V
VF
IF
TVJ=150°C
TVJ=100°C
TVJ=25°C
A
IF=15A
IF=30A
IF=60A
IF=30A
VR= 540V
TVJ=100°C
max.
typ.
IF=15A
IF=30A
IF=60A
IF=30A
TVJ=100°C
VR= 540V
VR=540V
TVJ=100°C
IF=15A
IF=30A
IF=60A
IF=30A
µs
A/µs -diF/dt A/µs
A/µs A/µs
Fig. 1 Forward current Fig. 2 Recovery charge versus -diF/dt. Fig. 3 Peak reverse current versus
versus voltage drop. -diF/dt.
Fig. 4 Dynamic parameters versus Fig. 5 Recovery time versus -diF/dt. Fig. 6 Peak forward voltage
junction temperature. versus diF/dt.
Dim. Millimeter Inches
Min. Max. Min. Max.
A 31.50 31.88 1.240 1.255
B 7.80 8.20 0.307 0.323
C 4.09 4.29 0.161 0.169
D 4.09 4.29 0.161 0.169
E 4.09 4.29 0.161 0.169
F 14.91 15.11 0.587 0.595
G 30.12 30.30 1.186 1.193
H 37.80 38.20 1.489 1.505
J 11.68 12.22 0.460 0.481
K 8.92 9.60 0.351 0.378
L 0.76 0.84 0.030 0.033
M 12.60 12.85 0.496 0.506
N 25.15 25.42 0.990 1.001
O 1.98 2.13 0.078 0.084
P 4.95 5.97 0.195 0.235
Q 26.54 26.90 1.045 1.059
R 3.94 4.42 0.155 0.174
S 4.72 4.85 0.186 0.191
T 24.59 25.07 0.968 0.987
U -0.05 0.1 -0.002 0.004
V 3.30 4.57 0.130 0.180
W 0.780 0.830 19.81 21.08
Dimensions
miniBLOC SOT-227 B
M4 screws (4x) supplied
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