SIOV Metal Oxide Varistors
SMD Varistors (Telecom; MLV Series)
Telecom
Construction
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Multilayer technology
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Termination: nickel barrier or silver palladium
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No plastic or epoxy coating assures better than UL 94 V-0 flammability rating
Features
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Suitable for handling the increased surge voltage of 2 kV
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I
I
I
I
according to the directives of Germany’s telecom administration
Suitable for handling the surge current of the 10/700
µ
s pulse
to ITU-T and IEC 61000-4-5
Matched to line conditions with or without superimposed ringing voltage
Good solderability
Suitable for ESD protection
PSpice models
Taping
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Supply on 12-mm tape, for tape dimensions
see page 155,
for reel dimensions and packing units
see page 157
Type designation
Detailed description of coding system
on page 39
SIOV-CT 1812 S 60 A G
EPCOS metal oxide varistor
Design
Size (nominal)
Special tolerance
of varistor voltage
General technical data
Climatic category
LCT
UCT
Damp heat, steady state
(93 % r.h., 40
°
C)
Operating temperature
Storage
temperature
1)
Response time
Solderability
55/85/56
– 40
°
C
+ 85
°
C
56 days
– 40 … + 85
°
C
– 40 … + 125
°
C
< 0,5 ns
235
°
C, 2 s
in accordance with IEC 60068-2-58
in accordance with IEC 60068-2-58
in accordance with IEC 60068-1
Taping mode
Specifies special tolerance (A)
Max. AC operating voltage
in accordance with IEC 60068-2-3
in accordance with CECC 42 000
Resistance to soldering heat 260
°
C, 10 s
1) for mounted parts (storage conditions for unused parts on reel see
page 38
[1.12.4])
137
10/00
SIOV Metal Oxide Varistors
Telecom – Nickel Barrier Termination (availability upon request)
Maximum ratings
Type
SIOV-
CT1812S60AG2
CT1812K75TELEG2
CT1812S95AG2
CT1812K115TELEG2
CT1812K130TELEG2
Ordering code
V
RMS
V
DC
1
i
(10
×
)
10/700
µ
s
V
V
A
1)
60
85
45
75 100
45
95 125
45
115 150
45
130 170
45
i
max
2
8/20
µ
s
A
400
400
250
250
250
W
max
3
(2 ms)
J
2,2
2,5
2,8
3,2
3,5
P
max
W
0,015
0,015
0,015
0,015
0,015
NEW
B72580-T0600-S172
B72580-T6750-K072
B72580-T0950-S172
B72580-T6111-K072
B72580-T6131-K072
Characteristics
(T
A
= 25
°
C)
V
v
4
(1 mA)
V
SIOV-
CT1812S60AG2
100
CT1812K75TELEG2 120
CT1812S95AG2
150
CT1812K115TELEG2 180
CT1812K130TELEG2 205
Also called:
Note:
1
Type
∆
V
v
(1 mA)
%
+19/–1
±
10
+20/0
±
10
±
10
2
Max. clamping voltage
C
typ
v
i
(1 kHz)
V
A
1)
pF
200
45
400
250
45
320
270
45
250
360
45
200
420
45
200
3
Derating
curve
Page
243
243
243
243
243
4
V/I
char-
acteristic
Page
277
277
277
277
277
working voltage;
peak current;
transient energy
breakdown voltage
New ordering codes implemented (refer
to chapter Varistor Type Cross-Reference List)
Notes
I
All varistors of the Standard program are suitable for telecom applications, taking into consider-
ation the selection criteria
I
These telecom varistors in multilayer technology are not suitable for the operation on AC mains
1) The test circuit according to the figure 44 yields a surge current amplitude of approx. 45 A.
138
10/00
SIOV Metal Oxide Varistors
Telecom – Silver Palladium Termination
Maximum ratings
Type
SIOV-
CN1812S60AG2
CN1812K75TELEG2
CN1812S95AG2
CN1812K115TELEG2
CN1812K130TELEG2
Ordering code
V
RMS
V
DC
1
i
(10
×
)
10/700
µ
s
V
V
A
1)
60
85
45
75 100
45
95 125
45
115 150
45
130 170
45
i
max
2
8/20
µ
s
A
400
400
250
250
250
W
max
3
(2 ms)
J
2,2
2,5
2,8
3,2
3,5
P
max
W
0,015
0,015
0,015
0,015
0,015
NEW
B72580-V0600-S172
B72580-V6750-K072
B72580-V0950-S172
B72580-V6111-K072
B72580-V6131-K072
Characteristics
(T
A
= 25
°
C)
V
v
4
(1 mA)
V
SIOV-
CN1812S60AG2
100
CN1812K75TELEG2 120
CN1812S95AG2
150
CN1812K115TELEG2 180
CN1812K130TELEG2 205
Also called:
Note:
1
Type
∆
V
v
(1 mA)
%
+19/–1
±
10
+20/0
±
10
±
10
2
Max. clamping voltage
C
typ
v
i
(1 kHz)
V
A
1)
pF
200
45
400
250
45
320
270
45
250
360
45
200
420
45
200
3
Derating
curve
Page
243
243
243
243
243
4
V/I
char-
acteristic
Page
277
277
277
277
277
working voltage;
peak current;
transient energy
breakdown voltage
New ordering codes implemented (refer
to chapter Varistor Type Cross-Reference List)
Notes
I
All varistors of the Standard program are suitable for telecom applications, taking into consider-
ation the selection criteria
I
These telecom varistors in multilayer technology are not suitable for the operation on AC mains
1) The test circuit according to the figure 44 yields a surge current amplitude of approx. 45 A.
139
10/00
SIOV Metal Oxide Varistors
Dimensions/Solder Pads
b
h
Weight: < 0,2 g
Termination acc. CECC 32101-801
Dimensions
Type
SIOV-CT/CN0402
SIOV-CT/CN0603
SIOV-CT/CN0805
SIOV-CT/CN1206
SIOV-CT/CN1210
SIOV-CT/CN1812
SIOV-CT/CN2220
I
mm
1,0
±
0,15
1,6
±
0,15
2,0
±
0,20
3,2
±
0,30
3,2
±
0,30
4,5
±
0,40
5,7
±
0,40
b
mm
0,50
±
0,10
0,80
±
0,10
1,25
±
0,15
1,60
±
0,20
2,50
±
0,25
3,20
±
0,30
5,00
±
0,40
h
mm
0,6 max.
0,9 max.
1,4 max.
1,7 max.
1,7 max.
2,5 max.
2,5 max.
k
mm
0,1 … 0,3
0,1 … 0,4
0,13 … 0,75
0,25 … 0,75
0,25 … 0,75
0,25 … 1,0
0,25 … 1,0
VAR0406-M
Termination: nickel barrier (CT) or silver palladium (CN)
B
C
B
A
D
VAR0391-D
Recommended solder pad layout
Type
SIOV-CT/CN0402
SIOV-CT/CN0603
SIOV-CT/CN0805
SIOV-CT/CN1206
SIOV-CT/CN1210
SIOV-CT/CN1812
SIOV-CT/CN2220
A
mm
0,6
1,0
1,4
1,8
2,8
3,6
5,5
B
mm
0,6
1,0
1,2
1,2
1,2
1,5
1,5
C
mm
0,5
1,0
1,0
2,1
2,1
3,0
4,2
D
mm
1,7
3,0
3,4
4,5
4,5
6,0
7,2
140
10/00
A
k
SIOV Metal Oxide Varistors
Dimensions/Solder Pads – Arrays CA06P4 and CA05P4
b
CA06P4
= 3,2±0,2
b
= 1,6±0,15
s
= 0,9 max.
d
= 0,4±0,15
e
= 0,8±0,15
Coplanarity < 0,1
s
CA05P4
l
= 2,0
±
0,2
b
= 1,25
±
0,15
s
= 0,9 max.
d
= 0,3
±
0,10
e
= 0,5
±
0,10
Coplanarity < 0,1
e
d
VAR0399-P
Dimensions
E
A
CA06P4
B
A
= 0,5 mm
B
= 0,7 mm
C
= 1,2 mm
E
= 0,76 mm
CA05P4
A
= 0,35 mm
B
= 0,9 mm
C
= 0,4 mm
E
= 0,5 mm
C
VAR0407-U
Recommended solder pad layout
141
10/00
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