Fast Recovery
Epitaxial Diode (FRED)
DSEI 20
I
FAVM
= 17 A
V
RRM
= 1200 V
t
rr
= 40 ns
V
RSM
V
1200
V
RRM
V
1200
Type
A
C
TO-220 AC
C
A
DSEI 20-12A
A = Anode, C = Cathode
C
Symbol
I
FRMS
I
FAVM
每每
x
I
FRM
I
FSM
Test Conditions
T
VJ
= T
VJM
T
C
= 85擄C; rectangular, d = 0.5
t
P
< 10
ms;
rep. rating, pulse width limited by T
VJM
T
VJ
= 45擄C;
t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
Maximum Ratings
70
17
220
130
140
110
120
85
80
60
60
-40...+150
150
-40...+150
A
A
A
A
A
A
A
As
A
2
s
A
2
s
A
2
s
擄C
擄C
擄C
W
Nm
g
2
Features
q
q
q
q
q
T
VJ
= 150擄C; t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
It
2
q
q
International standard package
Glass passivated chips
Very short recovery time
Extremely low losses at high
switching frequencies
Low I
RM
-values
Soft recovery behaviour
Epoxy meets UL 94V-0
T
VJ
= 45擄C
t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
T
VJ
= 150擄C; t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
T
VJ
T
VJM
T
stg
P
tot
M
d
Weight
T
C
= 25擄C
Mounting torque
Applications
q
q
q
q
78
0.4...0.6
2
q
q
q
q
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
Symbol
Test Conditions
typ.
Characteristic Values
max.
Advantages
I
R
T
VJ
= 25擄C
T
VJ
= 25擄C
T
VJ
= 125擄C
I
F
= 12 A;
V
R
= V
RRM
V
R
= 0.8 鈥?V
RRM
V
R
= 0.8 鈥?V
RRM
T
VJ
= 150擄C
T
VJ
= 25擄C
750
250
7
1.87
2.15
1.65
18.2
1.6
60
I
F
= 1 A; -di/dt = 100 A/ms; V
R
= 30 V; T
VJ
= 25擄C
V
R
= 540 V; I
F
= 20 A; -di
F
/dt = 100 A/ms
L
攏
0.05
mH;
T
VJ
= 100擄C
40
7
60
mA
mA
mA
V
V
V
mW
K/W
K/W
ns
A
q
q
V
F
V
T0
r
T
R
thJC
R
thJA
t
rr
I
RM
q
q
q
For power-loss calculations only
T
VJ
= T
VJM
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
漏 2000 IXYS All rights reserved
1-2
033
x
I
FAVM
rating includes reverse blocking losses at T
VJM
, V
R
= 0.8 V
RRM
, duty cycle d = 0.5
Data according to IEC 60747
IXYS reserves the right to change limits, test conditions and dimensions