V
ARISTORS
Transient
Multilayer Ceramic Transient
This product is not recommended
Voltage Suppressor
for new designs. Please refer to
Standard Capacity
Littelfuse series MLA.
TVS 1812 SMD
Specifications
Packaging
Material
Tape and Reel
T
7 inch reel (1.000 pcs.)
Body:
Terminals:
Ceramic (ZnO)
Ni/Sn plated (code “P”)
Ag/Pt/Pd non plated
(code “N” on request)
Features
Thin layer, high precise techniques
Lead free
Bi-directional clamping
Standard and low capacity
Available with Nickel/Tin end termination
Temperature
Operating Temperature
-55 to +125°C
Solderability
Applications
Dimensions (mm)
acc. to IEC 60068-2-58
235°C, 2s
260ºC, 10 sec. (IEC 60068-2-58)
280ºC, 5 sec. (IEC 60068-2-58)
<0.5ns
0.50–0.25
WebLinks
4.50–0.35
1.80
3.20–0.30
Circuit board and ESD, EFT
Protection of:
• I/O ports
• Keyboards
• LCD‘s
• Sensors
Soldering Heat Resistance
Time
Response Time
(α
Temperature coefficient (
α
V) of clamping
voltage (Vc) @ specified test current
<0.01%/°C
Further infos see:
www.wickmanngroup.com
Further technical infos see technical
varistor file:
www.wickmanngroup.com/download/
techvaristor.pdf
Power dissipation
0.3W max.
Standards
IEC 61000-4-2
MIL-STD-883C
Maximum Ratings (125°C)
Type
max. cont.
working
voltage
V
M(DC)
V
M(AC)
(V)
(V)
WT1812ML050A
WT1812ML090A
WT1812ML120A
WT1812ML140A
WT1812ML180A
WT1812ML220A
WT1812ML260A
WT1812ML300A
WT1812ML380A
WT1812ML450A
WT1812ML560A
WT1812ML680A
WT1812ML850A
5,5
9,0
12,0
14,0
18,0
22,0
26,0
30,0
38,0
45,0
56,0
68,0
85,0
4,0
6,0
9,0
11,0
14,0
17,0
20,0
25,0
30,0
35,0
40,0
50,0
60,0
Specifications (25°C)
typ.
capacitance
1KHz
C
typ.
(pF)
12900
7100
6500
4410
4000
3670
2670
2320
1960
1370
950
590
530
max.
non-repetitive
surge current
(8/20
µs)
I
TM
(A)
500
500
800
800
800
800
800
800
800
800
500
400
400
max. non-repetitive max. clamping
nominal voltage
surge energy
voltage at spec.
at 1mA (DC)
(10/1000
µs)
current
test current
(8/20
µs)
V
c
W
TM
V
N(DC)min.
V
N(DC)max.
(V@A)
(J)
(V)
(V)
0,8
1,0
1,8
2,0
2,3
2,5
3,0
3,6
4,2
4,5
4,8
4,5
5,8
15,5 @ 10
25,0 @ 10
30,0 @ 10
33,0 @ 10
38,0 @ 10
44,0 @ 10
54,0 @ 10
65,0 @ 10
77,0 @ 10
90,0 @ 10
110,0 @ 10
135,0 @ 10
165,0 @ 10
7,1
10,0
14,0
16,0
22,0
24,3
29,5
35,0
42,3
50,0
61,2
74,0
91,0
9,8
14,5
18,5
21,0
28,0
30,0
38,0
43,0
51,7
61,0
74,0
90,0
115,0
typ.
inductance
1MHz
C
typ.
(pF)
11200
6070
5260
3940
3500
2990
2320
1890
1680
1150
730
500
450
L
typ.
(nH)
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
Order
Information
050915
Qty.
Order-
Number
Type
Type
WT1812ML140 A
Terminal
Terminal Code Packaging
P
T
Specifications are subject
to change without notice
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
WebSite
Europe
Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
V
ARISTORS
TVS 1812 SMD
85,0
68,0
45,0
30,0
22,0
14,0
9,0
5,5
56,0
38,0
26,0
18,0
12,0
68,0
45,0
30,0
22,0
14,0
9,0
85,0
56,0
38,0
26,0
18,0
12,0
5,5
WT1812ML850A
WT1812ML680A
WT1812ML560A
WT1812ML450A
WT1812ML380A
WT1812ML300A
WT1812ML260A
WT1812ML220A
WT1812ML180A
WT1812ML140A
WT1812ML120A
WT1812ML090A
WT1812ML050A
V/I Characteristics
Maximum Surge Current: WT1812ML050A - WT1812ML090A, WT1812ML560A
050915
WebSite
Europe
Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
V
ARISTORS
TVS 1812 SMD
Maximum Surge Current: WT1812ML120A - WT1812ML450A
Maximum Surge Current: WT1812ML680A - WT1812ML850A
WebSite
Europe
Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
050915
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