SMD Varistors
Automotive – Nickel Barrier Termination (available upon request)
Maximum ratings (TA = 125 LC)
Type
Ordering code
VRMS VDC
imax
Wmax
Pmax
WLD
(10x)
J
8/20 ꢀs (2 ms)
A
SIOV-
V
V
J
W
12-V supply systems
CT0603S14BAUTOG
CT0805S14BAUTOG
CT1206S14BAUTOG
CT1210S14BAUTOG
CT1812S14BAUTOG
CT2220S14BAUTOG
B72500T1140S260 14
B72510T1140S262 14
B72520T1140S262 14
B72530T1140S262 14
B72580T1140S262 14
B72540T1140S262 14
16
16
16
16
16
16
16
30
120
200
400
800
0,2
0,3
0,6
1,6
2,4
5,8
5,8
0,003
0,008
0,008
0,010
0,015
—
1,0
1,5
3,0
6,0
1200
1200
0,030 12,0
0,030 25,0
CT2220S14BAUTOE2G2 B72540T3140S272 14
24-V supply systems
CT2220K25AUTOE2G2
CT2220K30AUTOG
CT2220K30AUTOE2G2
B72540T3250K072 25
B72540T1300K062 30
B72540T3300K072 30
31
34
34
1200
1200
1200
9,6
12,0
12,0
0,030 25,0
0,030 12,0
0,030 25,0
Characteristics (TA = 25 LC)
Type
VJump Vv
ꢁVv
Max. clamping Ctyp
Ltyp
Der. V/I
(5 min) (1 mA) (1 mA)
voltage
(1 kHz)
nF
0,12
0,4
0,8
1,7
5,6
9,5
curve char.
v
V
i
A
SIOV-
V
V
%
nH
Page Page
12-V supply systems
CT0603S14BAUTOG
CT0805S14BAUTOG
CT1206S14BAUTOG
CT1210S14BAUTOG
CT1812S14BAUTOG
CT2220S14BAUTOG
24,5
24,5
24,5
24,5
24,5
24,5
22
22
22
22
22
22
22
+23/–0 42
+23/–0 42
+23/–0 40
+23/–0 40
+23/–0 40
+23/–0 40
+23/–0 40
1,0
1,0
1,0
2,5
5,0
1,0
1,5
1,8
1,8
2,5
3,0
3,0
238
239
240
242
244
245
245
272
272
272
272
272
272
272
10,0
10,0 15,0
CT2220S14BAUTOE2G2 24,5
24-V supply systems
CT2220K25AUTOE2G2
CT2220K30AUTOG
CT2220K30AUTOE2G2
40,0
45,0
45,0
39
47
47
M 10
M 10
M 10
65
77
77
10,0 10,0
3,0
3,0
3,0
245
245
245
271
271
271
10,0
4,0
10,0 10,0
Notes
ꢀ If the maximum loads specified for load dump and jump start are fully utilized, subsequent
polarity reversal of the AUTO varistors is inadmissible.
ꢀ If the load remains under the maximum ratings, polarity reversal may be admissible.
Contact EPCOS for consultancy on this kind of problem.
ꢀ Load dump or jump start can decrease the varistor voltage in load direction by max. 15 %.
ꢀ Load dump: min. time of energy input 40 ms, interval 60 s.
(The load dump time constant td differs from the time constant of the energy input)
136 04/02
EPCOS [ EPCOS ]
