Order
Information
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VARISTORS
Multilayer Ceramic Transient Specifications
High Speed Series
SMD
This product is not recommended
for new designs. Please refer to
Littelfuse series MHS.
Packaging
Voltage Suppressors for
High Speed Applications
Tape and Reel
T 7 inch reel
0402
0603
(10.000 pcs)
(4.000 pcs.)
Material
Features
Bi-directional clamping
Body:
Ceramic (ZnO)
Terminals:
Ni/Sn plated (Code “P”)
Ag/PT/Pd non plated
code “N” on request
Ultra low capacitance
Available with Nickel/Tin end termination or lead free
Operating Temperature
-55 to +125°C
Applications
Solderability
acc. to IEC 60068-2-58
235°C, 2s
Portable / Handheld Products
Universal Serial Bus
Dimensions
Data,DiagnosticI/OPorts
Video/AudioPorts
MobileCommunications
Computer/DSPProducts
IndustrialInstrumentsandHighSpeedDataLine
Soldering Heat Resistance
260ºC, 10 sec. (IEC 60068-2-58)
280ºC, 5 sec. (IEC 60068-2-58)
a
Standards
IEC 61000-4-2
MIL-STD-883C
L
WebLinks
T
Further infos see:
www.wickmanngroup.com
W
Further technical infos see technical
varistor file:
www.wickmanngroup.com/download/
techvaristor.pdf
Specifications (25°C)
Maximum Ratings (125°C)
typ.
capacitance
at 1MHz
max. cont. max. clamping
max. leakage current
max. non-repetitive
surge energy
max. ESD
clamp voltage
8kV contact
(note 1)
working
voltage
voltage at
1A
(8/20µs)
@ specified DC
voltage
Type
(10/1000µs)
(note 2)
Ctyp.
(pF)
WTM
(J)
VC
(V)
15.0 V
VM(DC)
(V)
5.5 V 9.0 V
VC
(V)
3.5 V
µA
µA
µA
µA
0.50
0.10
0.10
0.50
0.10
0.10
9,0
18,0
42,0
9,0
18,0
42,0
1.00
0.15
0.15
1.00
0.15
0.15
-
WH0402ML090T
WH0402ML180W
WH0402ML420R
WH0603ML090T
WH0603ML180W
WH0603ML420R
0,02
0,025
0,01
0,02
0,025
0,01
65
22
12
3
22
12
3
30
55
110
30
55
110
-
125
300
65
125
300
1.00
0.25
-
1.00
0.25
5.00
0.50
-
5.00
0.50
Note 1: Maximum ESD clamp voltage tested with IEC 61000-4-2 Human Body Model discharge test circuit and direct
discharge to device terminals.
Note 2: Capacitance may be customized, please contact WICKMANN for availability
Specifications are subject
to change without notice
Number
WH0402ML180 W
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