Varistor Datasheet
MLA Varistor Series
Surface Mount Multilayer Varistors (MLVs)
RoHS
Description
The MLA Series family of transient voltage surge suppression
devices is based on the Littelfuse Multilayer fabrication technology.
These components are designed to suppress a variety of transient
events, including those specified in IEC 61000-4-2 or other
standards used for Electromagnetic Compliance (EMC). The MLA
Series is typically applied to protect integrated circuits and other
components at the circuit board level.
The wide operating voltage and energy range make the MLA
Series suitable for numerous applications on power supply, control
and signal lines.
The MLA Series is manufactured from semiconducting ceramics,
and is supplied in a leadless, surface mount package. The MLA
Series is compatible with modern reflow and wave soldering
procedures.
It can operate over a wider temperature range than Zener diodes,
and has a much smaller footprint than plastic-housed components.
Additional Information
Littelfuse Inc. manufactures other multilayer series products. See
the MLE Series data sheet for ESD applications, MHS Series data
sheet for high-speed ESD applications, the MLN Series for
multiline protection and the AUML Series for automotive
applications.
Resources
Accessories
Samples
Features
■ Halogen-Free and
■ Rated for surge
current (8 x 20µs)
RoHS compliant
SizeTable
■ Leadless 0402, 0603, 0805,
1206 and 1210 chip sizes
■ Rated for energy
(10 x 1000µs)
Metric
EIA
1005
1608
2012
3216
3225
0402
0603
0805
1206
1210
■ Multilayer ceramic
construction technology
■ Inherent bi-directional
clamping
■ -40ºC to +125ºC
operating temp. range
■ Standard low capacitance
types available
■ Operating voltage range
VM(DC) = 3.5V to 120v
Absolute Maximum Ratings
• For ratings of individual members of a series, see device ratings and specifications table.
Applications
■ Suppression of inductive
switching or other
Continuous
ML Series
Units
■ Provides on-board transient
voltage protection for
ICS and transistors
Steady State AppliedVoltage
transient events such as
EFT and surge voltage at
the circuit board level
DC Voltage Range (VM(DC)
)
3.5 to 120
2.5 to 107
V
V
■ Used to help achieve
electromagnetic compliance
of end products
AC Voltage Range (VM(AC)RMS
)
Transient
■ ESD protection for IEC
61000-4-2, MIL-STD-883
method 3015.7, and other
industry specifications (see
also the MLE or MLN Series)
Non-Repetitive Surge Current, 8/20µs
Waveform, (ITM
Non-Repetitive Surge Energy, 10/1000µs
Waveform, (WTM
■ Replace larger surface
mountTVS Zeners in
many applications
4 to 500
A
J
)
0.02 to 2.5
)
Operating AmbientTemperature Range (TA) -40 to +125
ºC
StorageTemperature Range (TSTG
)
-40 to +150
<0.01
ºC
Temperature Coefficient (αV) of Clamping
Voltage (VC) at Specified Test Current
%/ ºC
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/12/21
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