WA2220ML380APT [LITTELFUSE]
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LITTELFUSE 
Order
Information
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VARISTORS
Multilayer Ceramic Transient Specifications
Automotive Series
Packaging
Voltage Suppressors for
SMD
Tape and Reel
T 7 inch reel
0603
0805-1206 (3.000 pcs.)
1210 (2.000 pcs.)
1812-2220 (1.000 pcs.)
(4.000 pcs.)
Automotive Applications
This product is not recommended for
new designs. Please refer to
Littelfuse series AUMLA.
Features
Material
Body:
Terminals:
Thin layer, high precise techniques
Lead free
Ceramic (ZnO)
Ni/Sn plated (code “P”)
Bi-directional clamping
Available with Nickel/Tin end termination or
Operating Temperature
-55 to +125°C
Applications
Solderability
acc. to IEC 60068-2-58
235°C, 2s
Circuit board and Devices
Protection of Automotive
Dimensions
•
•
•
•
•
Airbag control
Wiper motors
Direct ignition
Engine control
Sensors
Soldering Heat Resistance
260ºC, 10 sec. (IEC 60068-2-58)
280ºC, 5 sec. (IEC 60068-2-58)
a
Temperature coefficient (αV) of clamping
voltage (Vc) @ specified test current
L
WebLinks
<0.01%/°C
T
Further infos see:
Standards
IEC 61000-4-2
MIL-STD-750
www.wickmanngroup.com
W
Further technical infos see
technical varistor file:
www.wickmanngroup.com/download/
techvaristor.pdf
Thermal Shock capability per MIL-
STD-750
Method 1051: -55°C to +125°C
5 min.@25°C, 25 cycles
15 min.@each maximum
Power Dissipation
1.0 W max.
Specifications (25°C)
Maximum Ratings (125°C)
load dump
energy
(10 pulses)
typ.
capacitance
at 1MHz
max. cont.
working
voltage
jump start
voltage
max. (5 min.)
max. clamping
voltage at
spec. current
(8/20µs)
nominal voltage
at 1mA (DC)
test current
typ.
inductance
Type
Ctyp.
(pF)
Vjump
(V)
Vc
(V)
VN(DC)min. VN(DC)max.
VM(DC)
(V)
WLD
(J)
Ltyp.
(nH)
(V)
(V)
40 @ 1.5A
40 @ 1.5A
40 @ 1.5A
40 @ 5A
40 @ 10A
77 @ 10A
500
900
2500
5000
4500
4000
WA0805ML180A
WA1206ML180A
WA1210ML180A
WA1812ML180A
WA2230ML180A
WA2220ML380A
24.5
24.5
24.5
24.5
24.5
50.0
18,0
18,0
18,0
18,0
18,0
38,0
1.0
1.5
3.0
6.0
25.0
30.0
23.0
23.0
23.0
23.0
23.0
48.5
32.0
32.0
32.0
32.0
32.0
56.0
1.5
1.8
1.8
2.5
3.0
3.0
Specifications are subject
to change without notice
Number
WA0805ML180 A
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
E-mail: sales@wickmann.cn
050915
www.wickmanngroup.com E-mail: sales@wickmann.com
E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk
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