Leaded Varistors
Automotive Series
Characteristics
(T
A
= 25
°
C)
Type
(untaped)
SIOV-
12-V supply systems
S07K14AUTOS2D1
S10K14AUTO
S10K14AUTOS5D1
S14K14AUTO
S14K14AUTOS5D1
S20K14AUTO
S10K17AUTO
S14K17AUTO
S20K17AUTO
24-V supply systems
S20K25AUTO
S14K30AUTO
S20K30AUTO
40
45
45
39
47
47
25
25
25
25
25
25
30
30
30
22
22
22
22
22
22
27
27
27
V
Jump
V
v
(5 min) (1 mA)
V
V
D
V
v
(1 mA)
%
±
±
±
±
±
±
10
10
10
10
10
10
Max. clamping voltage
C
typ
Derating
V/I
char-
(1 kHz) curve
v
i
acteristic
nF
V
A
Page
Page
43
43
43
43
43
43
53
53
53
77
93
93
2,5
5,0
5,0
10,0
10,0
20,0
5,0
10,0
20,0
20,0
10,0
20,0
2,3
5,2
5,2
10,0
10,0
19,0
4,4
8,2
15,6
11,1
5,0
9,4
246
248
248
249
249
251
248
249
251
251
249
251
275
276
276
277
277
278
276
277
278
278
277
278
±
10
±
10
±
10
±
10
±
10
±
10
Notes
I
If the maximum loads specified for load dump and jump start are fully utilized, subsequent
polarity reversal of the AUTO varistors is inadmissible.
I
If the load remains under the maximum ratings, polarity reversal may be admissible.
Contact EPCOS for consultancy on this kind of problem.
I
Load dump or jump start can decrease the varistor voltage in load direction by max. 15 %.
I
Load dump: min. time of energy input 40 ms, interval 60 s.
Characteristics
Fast temperature cycling
Test methods
Specifications
IEC 60068-2-14, test Na,
|
D
V/V
(1 mA)|
£
10 %
No visible damage
UCT/LCT, dwell time 15 min
100 cycles: SIOV-S…AUTO
1000 cycles: SIOV-S…AUTOD1
Based on IEC 60068-2-3,
85
°
C, 85 % r.h., V
DC
, 1000 h
MIL STD 202F, method 108A,
UCT, V
DC
, 1000 h
|
D
V/V
(1 mA)|
1)
£
10 %
No visible damage
|
D
V/V
(1 mA)|
1)
£
10 %
No visible damage
Damp heat, steady state
Max. DC operating voltage
1) Measured in load direction
195
04/02
EPCOS [ EPCOS ]
