DSA2-18A IXYS, DSA2-18A Datasheet - Page 2

• Manufacturer Part Number: DSA2-18A
• Description: DIODE AVAL 1800V 3.6A AXIAL
• Manufacturer: IXYS

Specifications of DSA2-18A

• Voltage - Forward (vf) (max) @ If: 1.25V @ 7A
• Voltage - Dc Reverse (vr) (max): 1800V (1.8kV)
• Current - Average Rectified (io): 3.6A
• Current - Reverse Leakage @ Vr: 2mA @ 1800V
• Diode Type: Avalanche
• Speed: Standard Recovery >500ns, > 200mA (Io)
• Mounting Type: Through Hole
• Package / Case: Axial
• Vrrm, (v): 1800
• Ifavm, Total, (a): 3.6
• Ifavm, Per Diode, (a): 3.6
• @ Tc, (°c): 100
• Prsm, (kw): 2.5
• Ifrms, (a): 7
• Ifsm, 10 Ms, Tvj = 45°c, (a): 120
• Vt0, (v): 0.85
• Rt, (mohms): 43
• Tvjm, (°c): 180
• Rthjc, Max, (k/w): -
• Rthch, (k/w): -
• Package Style: Axial Hermetic package
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Reverse Recovery Time (trr): -
• Capacitance @ Vr, F: -

Z
°C/W
(th)t
I
Fig. 1 Forward characteristics
Fig. 4 Power dissipation versus forward current and ambient temperature
Fig. 5 Transient thermal impedance junction to ambient
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F
P
100
F
10
10
80
60
40
20
A
W
8
6
4
2
0
8
6
4
2
0
0
10
0
-3
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
1
T
T
2
VJ
VJ
= 180°C
= 25°C
10
-2
3
4
V
5
10
F
DC
180° sin
120°
60°
30°
typ.
-1
6
I
FAVM
lim.
7
V
10
8
0
9
A
I
FSM
Fig. 2 Surge overload current
100
0
80
60
40
20
A
0
10
10
20
-3
1
I
FSM
40
: crest value, t: duration
10
-2
60
10
2
80 100 120 140 160
10
-1
50Hz, 80%V
T
T
VJ
VJ
R
115 K/W
= 45°C
= 180°C
thJA
30 K/W
37 K/W
45 K/W
75 K/W
10
T
t
10
t
amb
3
:
0
s
s
RRM
10
°C
10
1
10
8
6
4
2
0
W
4
P
F
Fig. 3 I
R
Constants for Z
I
2
100
A
thJA
t
80
60
40
20
10
1
2
3
180°
120°
2
i
s
DC
d
60°
30°
1
for various conduction angles d:
V
R
2
t versus time (1-10 ms)
= 0 V
R
10.85
64
0.15
thi
R
2
T
thJA
thJA
(K/W)
T
75
75.7
76.1
76.7
77.4
VJ
VJ
=45°C
=180°C
(K/W)
calculation:
3
4
35
DS
DSA 2
5 6 7 8 9
t
0.001
0.1
i
(s)
t
ms
2 - 2
2
10