
WebSite
www.wickmanngroup.com E-mail: sales@wickmann.com
Europe
Tel: +49 2302 662-107
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
Order
Information
Qty.
Order-
Number
Type Terminal Code Packaging
WH0402ML180 W
P T
V
ARISTORS
High Speed Series
SMD
This product is not recommended
for new designs. Please refer to
Littelfuse series MHS.
Dimensions
Specifications
Packaging
Tape and Reel
T 7 inch reel
0402
0603
(10.000 pcs)
(4.000 pcs.)
Material
Body:
Terminals:
Ceramic (ZnO)
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)
Standards
IEC 61000-4-2
MIL-STD-883C
Multilayer Ceramic T
Voltage Suppressors for
High Speed Applications
ransient
Features
Ultra low capacitance
Bi-directional clamping
Available with Nickel/Tin end termination or lead free
Applications
Portable / Handheld Products
Universal Serial Bus
Data, Diagnostic I/O Ports
Video/Audio Ports
Mobile Communications
Computer/DSP Products
Industrial Instruments and High Speed Data Line
WebLinks
Further infos see:
www.wickmanngroup.com
Further technical infos see technical
varistor file:
www.wickmanngroup.com/download/
techvaristor.pdf
Specifications are subject
to change without notice
L
W
T
a
max. cont.
working
voltage
Type
max. clamping
voltage at
1A
(8/20
μ
s)
V
C
(V)
max. leakage current
@ specified DC
voltage
typ.
capacitance
at 1MHz
(note 2)
C
(pF)
WH0402ML090T
WH0402ML180W
WH0402ML420R
WH0603ML090T
WH0603ML180W
WH0603ML420R
V
(V)
9,0
18,0
42,0
9,0
18,0
42,0
30
55
110
30
55
110
3.5 V
μ
A
0.50
0.10
0.10
0.50
0.10
0.10
5.5
V
μ
A
1.00
0.15
0.15
1.00
0.15
0.15
Maximum Ratings (125°C)
Specifications (25°C)
22
12
3
22
12
3
P
max. non-repetitive
surge energy
(10/1000
μ
s)
W
TM
(J)
0,02
0,025
0,01
0,02
0,025
0,01
max. ESD
clamp voltage
8kV contact
(note 1)
V
C
(V)
65
125
300
65
125
300
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
9.0 V
μ
A
-
1.00
0.25
-
1.00
0.25
15.0
V
μ
A
-
5.00
0.50
-
5.00
0.50