SMD Varistors
MLV; Telecom Series
Construction
I
Multilayer technology
I
Termination: nickel barrier (CT series) or silver palladium (CN series)
I
No plastic or epoxy encapsulation assures better than UL 94 V-0 flammability rating
Features
I
Suitable for handling surge voltages of up to 2 kV
I
I
I
I
I
according to the directives of Germany’s telecom administration
Suitable for handling the surge current of the 10/700
m
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
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 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, chapter
“General Technical Information”)
139
04/02
SMD Varistors
Telecom – Nickel Barrier Termination (available upon request)
Maximum ratings
Type
SIOV-
CT1812S60AG2
CT1812K75TELEG2
CT1812S95AG2
CT1812K115TELEG2
CT1812K130TELEG2
Ordering code
V
RMS
V
DC
V
60
75
95
115
130
V
85
100
125
150
170
i
(10
´
)
10/700
m
s
A
1)
45
45
45
45
45
i
max
8/20
m
s
A
400
400
250
250
250
W
max
(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
B72580T0600S172
B72580T6750K072
B72580T0950S172
B72580T6111K072
B72580T6131K072
Characteristics
(T
A
= 25
°
C)
V
v
(1 mA)
V
SIOV-
CT1812S60AG2
100
CT1812K75TELEG2 120
CT1812S95AG2
150
CT1812K115TELEG2 180
CT1812K130TELEG2 205
Notes
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In addition to the telecom varistors listed above, all varistors of the standard series can be used
Type
D
V
v
(1 mA)
%
+19/–1
±
10
+20/0
±
10
±
10
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
Derating
curve
Page
243
243
243
243
243
V/I
char-
acteristic
Page
273
273
273
273
273
for telecom applications if the selection criteria are considered.
I
These telecom varistors in multilayer technology are not suitable for the operation on AC mains.
1) The test circuit according to figure 44 in chapter
“Applications”
yields a surge current amplitude of approx. 45 A.
140
04/02
SMD Varistors
Telecom – Silver Palladium Termination
Maximum ratings
Type
SIOV-
CN1812S60AG2
CN1812K75TELEG2
CN1812S95AG2
CN1812K115TELEG2
CN1812K130TELEG2
Ordering code
V
RMS
V
DC
V
60
75
95
115
130
V
85
100
125
150
170
i
(10
´
)
10/700
m
s
A
1)
45
45
45
45
45
i
max
8/20
m
s
A
400
400
250
250
250
W
max
(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
B72580V0600S172
B72580V6750K072
B72580V0950S172
B72580V6111K072
B72580V6131K072
Characteristics
(T
A
= 25
°
C)
V
v
(1 mA)
V
SIOV-
CN1812S60AG2
100
CN1812K75TELEG2 120
CN1812S95AG2
150
CN1812K115TELEG2 180
CN1812K130TELEG2 205
Notes
I
In addition to the telecom varistors listed above, all varistors of the standard series can be used
Type
D
V
v
(1 mA)
%
+19/–1
±
10
+20/0
±
10
±
10
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
Derating
curve
Page
243
243
243
243
243
V/I
char-
acteristic
Page
273
273
273
273
273
for telecom applications if the selection criteria are considered.
I
These telecom varistors in multilayer technology are not suitable for the operation on AC mains.
1) The test circuit according to figure 44 in chapter
“Applications”
yields a surge current amplitude of approx. 45 A.
141
04/02
SMD Varistors
MLV; Telecom Series
b
h
Weight: < 0,2 g
Termination acc. CECC 32101-801
Dimensions
Type
SIOV-CT/CN1812
I
mm
4,5
±
0,40
b
mm
3,20
±
0,30
h
mm
2,5 max.
k
mm
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/CN1812
A
mm
3,6
B
mm
1,5
C
mm
3,0
D
mm
6,0
142
04/02
A
k
Herausgegeben von EPCOS AG
Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
++49 89 636 09, FAX (0 89) 636-2 26 89
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Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek-
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Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG
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zuholen.
Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa-
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