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