DSA 1
Avalanche Diode
Preliminary data
V
RSM
V
1300
1700
1900
V
(BR)min
V
1300
1750
1950
V
RRM
V
1200
1600
1800
DSA 1-12D
DSA 1-16D
DSA 1-18D
Type
V
RRM
= 1200-1800 V
I
F(RMS)
=
7A
I
FAVM
=
2.3 A
A
C
A
C
A = Anode, C = Cathode
Symbol
I
FRMS
I
FAVM
P
RSM
I
FSM
Conditions
T
VJ
= T
VJM
T
amb
= 45°C; R
thJA
= 38 K/W; 180° sine
T
amb
= 45°C; R
thJA
= 80 K/W; 180° sine
T
VJM
, t
p
= 10 µs
T
VJ
= 45°C;
t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
Maximum Ratings
7
2.3
1.3
1.6
110
118
100
104
60
58
50
45
-40...+150
150
-40...+150
A
A
A
kW
A
A
A
2
s
A
2
s
°C
°C
°C
g
Features
• Plastic standard package
• Planar passivated chips
Applications
• Low power rectifiers
• Field supply for DC motors
• Power supplies
• High voltage rectifiers
Advantages
• Space and weight savings
• Simple PCB mounting
• Improved temperature & power cycling
• Reduced protection circuits
T
VJ
= 150°C; t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
I
2
t
T
VJ
= 45°C;
t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
T
VJ
= 150°C; t = 10 ms (50 Hz), sine
t = 8.3 ms (60 Hz), sine
T
VJ
T
VJM
T
stg
Weight
typical
0.8
Dimensions in mm (1 mm = 0.0394")
Symbol
I
R
V
F
V
T0
r
T
R
thJA
d
S
d
A
a
Conditions
V
R
= V
RRM
I
F
= 7 A
T
VJ
= T
VJM
T
VJ
= 25°C
Characteristic Values
typ.
max.
1.34
0.8
67
38
80
8.5
6.7
100
V
V
mΩ
1.5
1.5
1.2
7.5
0.7
mA
For power-loss calculations only
T
VJ
= T
VJM
Forced air cooling with 1.5 m/s, T
amb
= 45°C
Soldered on to PC board, T
amb
= 45°C
Creepage distance on surface
Strike distance through air
Max. allowable acceleration
4
10
1
K/W
K/W
mm
mm
m/s
2
9
11.5
Data according to IEC 60747
Disclaimer Notice
Information furnished is believed to be accurate and reliable. However, users should independently evaluate
the suitability of and test each product selected for their own applications. Littelfuse products are not
designed for, and may not be used in, all applications. Read complete Disclaimer Notice Disclaimer Notice
at
www.littelfuse.com/disclaimer-electronics.
0.8
0.5
20191128c
IXYS reserves the right to change limits, test conditions and dimensions.
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