V
ARISTORS
Transient
Multilayer Ceramic Transient
Suppressors
This product is not recommended
Voltage Suppressors for
for new designs. Please refer to
ESD Protection
Littelfuse series MLE.
ESD Series SMD
Specifications
Packaging
Tape and Reel
T 7 inch reel
0402
(10.000 pcs.)
0603
(4.000 pcs.)
0805-1206 (3.000 pcs.)
Features
Material
Thin layer, high precise techniques
Lead free
Bi-directional clamping
Ultra low capacity
Available with Nickel/Tin end termination
Body:
Terminals:
Ceramic (ZnO)
Ni/Sn plated (code “P”)
Ag/Pt/Pd non plated
(code “N” on request)
Temperature
Operating Temperature
-55 to +125°C
Applications
Dimensions
a
Solderability
L
T
W
Circuit board and ESD, EFT
Protection of:
• USB ports
• Keyboards
• Cellular Phones
• IEEE ports
• PDA/Handheld
• Sensors
acc. to IEC 60068-2-58
235°C, 2s
260ºC, 10 sec. (IEC 60068-2-58)
280ºC, 5 sec. (IEC 60068-2-58)
Soldering Heat Resistance
(α
Temperature coefficient (
α
V) of clamping
voltage (Vc) @ specified test current
<0.01%/°C
WebLinks
Further infos see:
www.wickmann.com
Further technical infos see technical
varistor file:
www.wickmann.com/download/
techvaristor.pdf
Standards
IEC 61000-4-2
MIL-STD-883C
Maximum Ratings (125°C)
Type
Packaging
Specifications (25°C)
max.
typ.
max. cont.
max. non-repetitive max. ESD max. clamping nominal voltage
typ.
capacitance inductance
working non-repetitive surge energy
clamping voltage at spec.
at 1mA (DC)
surge current
at 1MHz
current
(10/1000
µs)
voltage
voltage
test current
(8/20
µs)
(8/20
µs)
8kV contact
1MHz
C
typ.
W
TM
V
c
V
N(DC)min.
V
N(DC)max.
V
M(DC)
I
TM
L
typ.
V
c
V
c
(note 2)
(pF)
(J)
(V)
(V)
(V)
(A)
(V)
(V)
(nH)
18,0
18,0
18,0
18,0
18,0
18,0
18,0
18,0
15
15
20
20
30
30
30
30
0,03
0,03
0,05
0,05
0,10
0,10
0,10
0,10
120
120
120
120
100
100
80
80
50
50
50
50
50
50
50
50
1A
1A
1A
2A
2A
5A
5A
10A
22
22
22
22
22
22
22
22
28
28
28
28
28
28
28
28
30
40
40
100
100
500
500
800
1,0
1,0
1,0
1,0
1,0
1,0
1,0
1,0
WE0402ML180L
WE0402ML180A
WE0603ML180L
WE0603ML180A
WE0805ML180L
WE0805ML180A
WE1206ML180L
WE1206ML180A
Maximum Leakage V
M(DC)
3.5V
5.5V
15V
18V
WE0402ML180L
µA
0.08
0.2
1.5
6.0
WE0402ML180A
µA
0.08
0.2
1.5
6.0
WE0603ML180L
µA
0.08
0.2
3.0
15.0
WE0603ML180A
µA
0.08
0.2
3.0
15.0
WE0805ML180L
µA
0.15
0.3
3.0
15.0
WE0805ML180A
µA
0.15
0.3
3.0
15.0
WE1206ML180L
µA
0.3
0.8
3.0
15.0
WE1206ML180A
µA
0.3
0.8
3.0
15.0
Note 1: For applications of 18V
M(DC)
or less higher voltages. Please contact WICKMANN for availibity.
Note 2: Maximum ESD clamping voltage tested with IEC 61000-4-2 Human Body Model discharge test circuit and direct discharge
to device terminals
Note 3: Capacitance may be customized, please contact WICKMANN for availibility.
Order
Information
050915
Qty.
Order-
Number
Type
Type
WE0402ML180 L
Terminal
Terminal Code Packaging
P
T
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
Specifications are subject
to change without notice
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
WebSite
www.wickmann.com
Europe
Tel: +49 2302 662-107
E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
V
ARISTORS
ESD Series SMD
0402
0603
0805
1206
050915
WebSite
www.wickmann.com
Europe
Tel: +49 2302 662-107
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
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