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
www.wickmanngroup.com E-mail: sales@wickmann.com
E-mail: service@wickmannusa.com
E-mail: sales@wickmann.com.hk
E-mail: sales@wickmann.cn
050915
Order
Order
Order
Order
Order
Qty.
Qty.
Qty.
Qty.
Qty.
Order-
Order-
Order-
Order-
Order-
T
T
T
T
Type
ype
ype
ype
ype T
T
T
T
Terminal Code Packaging
erminal Code Packaging
erminal Code Packaging
erminal Code Packaging
erminal Code Packaging
Information
Information
Information
Information
Information
Number
Number
Number
Number
Number
WH0402ML180 W
P T
VV
VV
V
ARISTORS
ARISTORS
ARISTORS
ARISTORS
ARISTORS
Dimensions
Dimensions
Dimensions
Dimensions
Dimensions
High Speed Series
High Speed Series
High Speed Series
High Speed Series
High Speed Series
SMD
SMD
SMD
SMD
SMD
Specifications
Specifications
Specifications
Specifications
Specifications
Packaging
Packaging
Packaging
Packaging
Packaging
Tape and Reel
T 7 inch reel
0402
(10.000 pcs)
0603
(4.000 pcs.)
Material
Material
Material
Material
Material
Body:
Ceramic (ZnO)
Terminals:
Ni/Sn plated (Code "P")
Ag/PT/Pd non plated
code "N" on request
Operating T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-55 to +125C
Solderability
Solderability
Solderability
Solderability
Solderability
acc. to IEC 60068-2-58
235C, 2s
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
260C, 10 sec. (IEC 60068-2-58)
280C, 5 sec. (IEC 60068-2-58)
Standards
Standards
Standards
Standards
Standards
IEC 61000-4-2
MIL-STD-883C
Multilayer Ceramic T
Multilayer Ceramic T
Multilayer Ceramic T
Multilayer Ceramic T
Multilayer Ceramic Transient
ransient
ransient
ransient
ransient
VV
VV
Voltage Suppressor
oltage Suppressor
oltage Suppressor
oltage Suppressor
oltage Suppressors for
s for
s for
s for
s for
High Speed Applications
High Speed Applications
High Speed Applications
High Speed Applications
High Speed Applications
Features
Features
Features
Features
Features
Ultra low capacitance
Bi-directional clamping
Available with Nickel/Tin end termination or lead free
Applications
Applications
Applications
Applications
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
W
W
W
W
WebLinks
ebLinks
ebLinks
ebLinks
ebLinks
Further infos see:
Further infos see:
Further infos see:
Further infos see:
Further infos see:
www.wickmanngroup.com
Further technical infos see technical
Further technical infos see technical
Further technical infos see technical
Further technical infos see technical
Further technical infos see technical
varistor file:
varistor file:
varistor file:
varistor file:
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
(8/20s)
max. leakage current
@ specified DC
voltage
typ.
capacitance
at 1MHz
WH0402ML090T
WH0402ML180W
WH0402ML420R
WH0603ML090T
WH0603ML180W
WH0603ML420R
V
M(DC)
(V)
9,0
18,0
42,0
9,0
18,0
42,0
V
C
(V)
30
55
110
30
55
110
3.5 V
A
0.50
0.10
0.10
0.50
0.10
0.10
5.5
V
A
1.00
0.15
0.15
1.00
0.15
0.15
Maximum Ratings (125C)
Maximum Ratings (125C)
Maximum Ratings (125C)
Maximum Ratings (125C)
Maximum Ratings (125C)
Specifications (25C)
Specifications (25C)
Specifications (25C)
Specifications (25C)
Specifications (25C)
(note 2)
C
typ.
(pF)
22
12
3
22
12
3
Packaging
max. non-repetitive
surge energy
(10/1000s)
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
A
-
1.00
0.25
-
1.00
0.25
15.0
V
A
-
5.00
0.50
-
5.00
0.50
This product is not recommended
for new designs. Please refer to
Littelfuse series MHS.
050601
Europe
Tel: +49 2302 662-107
Americas
Tel: +1 404 699-7820
Asia
Tel: +852 26 14-1108
China
Tel: +86 21 6432 5146
www.wickmanngroup.com E-mail: sales@wickmann.com
E-mail: service@wickmannusa.com
E-mail: sales@wickmann.com.hk
E-mail: sales@wickmann.cn
050915
VV
VV
V
ARISTORS
ARISTORS
ARISTORS
ARISTORS
ARISTORS
STANDBY CURRENT AT NORMALIZED VARISTOR
VOLTAGE AND TEMPERATURE
VARISTOR VOLTAGE (V)
CURRENT (mA)
25
C
85
C
125
C
High Speed Series
High Speed Series
High Speed Series
High Speed Series
High Speed Series
SMD
SMD
SMD
SMD
SMD
INSERTION LOSS (S21) CHARACTERISTICS
INSERTION LOSS (dB)
FREQUENCY (MHz)
WH0402ML180W
WH0603ML180W
WH0402ML420R
WH0603ML420R
WH0402ML090T
WH0603ML090T
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
www.wickmanngroup.com E-mail: sales@wickmann.com
E-mail: service@wickmannusa.com
E-mail: sales@wickmann.com.hk
E-mail: sales@wickmann.cn
050915
VV
VV
V
ARISTORS
ARISTORS
ARISTORS
ARISTORS
ARISTORS
High Speed Series
High Speed Series
High Speed Series
High Speed Series
High Speed Series
SMD
SMD
SMD
SMD
SMD
NOMINAL VOLTAGE STABILITY TO MULTIPLE ESD IMPULSES
(8KV CONTACT DISCHARGES PER IEC 61000-4-2)
NOMINAL VOLTAGE AT 1mADC
Number of Pulses
WH0402ML420R
WH0603ML420R
WH0402ML180W
WH0603ML180W
WH0402ML090T
WH0603ML090T
PDF 
ZIP