SMD Varistors
MLV; Standard Series
Construction
I
Multilayer technology
I
Termination: nickel barrier (CT series) or silver palladium (CN series)
or silver platinum (only for CN0402 … K2)
I
No plastic or epoxy encapsulation assures better than UL 94 V-0 flammability rating
Features
I
I
I
I
Sizes 0402 … 2220
Surge currents up to 1200 A
Operating temperatures up to 125
°
C
Good solderability
I
I
I
I
Suitable for ESD protection
Bidirectional clamping
Types with controlled capacitance available
PSpice models
Taping
I
Supply on 8/12-mm tape, for tape dimensions see pages 154/155,
for reel dimensions and packing units see page 157, chapter
“SMD Varistors: Taping”
Type designation
Detailed description of coding system on page 39, chapter
“General Technical Information”
SIOV-CT 0603 M 4 G
EPCOS metal oxide varistor
Design
Size (nominal)
General technical data
Climatic category
LCT
UCT
Damp heat, steady state
(93 % r.h., 40
°
C)
Operating temperature
Storage temperature
1)
Response time
Solderability
55/125/56 (55/85/56)
– 55
°
C
+ 85
°
C (CT/CN0402 … 0603)
+ 125
°
C (CT/CN0805 … 2220)
56 days
in acc. with IEC 60068-1
Taping mode
Max. AC operating voltage
Tolerance of varistor voltage
in acc. with IEC 60068-2-3
– 55 … + 85
°
C CT/CN0402 … 0603 in acc. with CECC 42 000
– 55 … + 125
°
C CT/CN0805 … 2220 in acc. with CECC 42 000
– 55 … + 150
°
C CT/CN0805 … 2220
– 55 … + 125
°
C CT/CN0402 … 0603
< 0,5 ns
235
°
C, 2 s
in acc. with IEC 60068-2-58
in acc. with IEC 60068-2-58
Resistance to soldering heat 260
°
C, 10 s
1) For mounted parts (storage conditions for unused parts on reel see page 38, chapter
“General Technical Information”)
117
04/02
SMD Varistors
Standard – Nickel Barrier Termination (available upon request)
Characteristics
(T
A
= 25
°
C)
V
v
(1 mA)
V
SIOV-
CT0603K17G
27
CT0603K17LCG 27
CT0805K17G
27
CT0805K17LCG 27
CT1206K17G
27
CT1210K17G
27
CT1812K17G
27
CT2220K17G
27
CT0603K20G
CT0805K20G
CT1206K20G
CT1210K20G
CT1812K20G
CT2220K20G
CT0603K25G
CT0805K25G
CT1206K25G
CT1210K25G
CT1812K25G
CT2220K25G
CT0805K30G
CT1206K30G
CT1210K30G
CT1812K30G
CT2220K30G
CT1206K35G
CT1210K35G
CT1812K35G
CT2220K35G
CT1206K40G
CT1210K40G
CT1812K40G
CT2220K40G
33
33
33
33
33
33
39
39
39
39
39
39
47
47
47
47
47
56
56
56
56
68
68
68
68
Type
Max. clamping voltage
D
V
v
(1 mA)
v
i
%
V
A
±
10
46
1,0
±
10
50
1,0
±
10
46
1,0
1)
50
1,0
+22/–8
±
10
44
1,0
±
10
44
2,5
±
10
44
5,0
±
10
44
10,0
C
typ
(1 kHz)
pF
100
< 50
400
< 100
650
1800
4000
9000
90
300
600
1500
3000
7000
90
2)
250
550
1200
2500
5000
200
500
1000
2000
4000
200
600
1200
2500
250
500
1000
2000
L
typ
nH
1,0
1,0
1,5
1,0
1,8
1,8
2,5
3,0
1,0
1,5
1,8
1,8
2,5
3,0
1,0
1,5
1,8
1,8
2,5
3,0
1,0
1,8
1,8
2,5
3,0
1,8
1,8
2,5
3,0
1,8
1,8
2,5
3,0
Derating
curve
Page
238
237
239
238
240
242
244
245
238
239
240
242
244
245
238
239
240
241
244
245
239
240
241
244
245
238
241
242
245
238
241
242
245
V/I
char-
acteristic
Page
266
266
267
267
268
269
270
271
266
267
268
269
270
271
266
267
268
269
270
271
267
268
269
270
271
268
269
270
271
268
269
270
271
±
±
±
±
±
±
±
±
±
±
±
±
10
10
10
10
10
10
10
10
10
10
10
10
56
56
54
54
54
54
67
67
65
65
65
65
77
77
77
77
77
90
90
90
90
110
110
110
110
1,0
1,0
1,0
2,5
5,0
10,0
1,0
1,0
1,0
2,5
5,0
10,0
1,0
1,0
2,5
5,0
10,0
1,0
2,5
5,0
10,0
1,0
2,5
5,0
10,0
±
10
±
10
±
10
±
10
±+
10
±
±
±
±
±
±
±
±
10
10
10
10
10
10
10
10
1)
C
(1 MHz);differs from standard; MHz)
C
typ
(1 MHz)
Tolerance
±
20 %;
2)
C
typ
(1 2)
A wide range of HC, CC and LC types are available upon request (see 3.3.6, chapter
“Applications”).
121
04/02
PCB Design
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