Varistor Products
Surface Mount Multilayer Varistors (MLVs) > MLA Series
RoHS
MLA Varistor Series
Description
The MLA Series (also known as "ML" 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.
SizeTable
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.
Metric
1005
1608
2012
3216
3225
EIA
0402
0603
0805
1206
1210
It can operate over a wider temperature range than Zener
diodes, and has a much smaller footprint than plastic-
housed components.
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.
Applications
•
•
Suppression of inductive
switching or other
transient events such as
EFT and surge voltage at
the circuit board level
•
•
Used to help achieve
electromagnetic
compliance of
Features
end products
•
•
RoHS compliant
•
•
•
•
Rated for surge
current (8 x 20μs)
Replace larger surface
mountTVS Zeners in
many applications
ESD protection for IEC
61000-4-2, MIL-STD-
883c method 3015.7,
and other industry
Leadless 0402, 0603,
0805, 1206 and
1210 chip sizes
Rated for energy
(10 x 1000μs)
•
•
•
Multilayer ceramic
construction technology
Inherent bi-directional
clamping
specifications (see also
the MLE or MLN Series)
-55°C to +125°C
operating temp. range
Standard low capacitance
types available
•
Provides on-board
transient voltage
protection for ICS
and transistors
Operating voltage range
V
M(DC) = 5.5V to 120V
Absolute Maximum Ratings
For ratings of individual members of a series, see device ratings and specifications table.
Continuous
ML Series
Units
Steady State Applied Voltage:
DC Voltage Range (VM(DC)
AC Voltage Range (VM(AC)RMS
Transient:
Non-Repetitive Surge Current, 8/20μs Waveform, (ITM
Non-Repetitive Surge Energy, 10/1000μs Waveform, (WTM
Operating AmbientTemperature Range (TA)
)
3.5 to 120
2.5 to 107
V
V
)
)
4 to 500
A
J
ºC
ºC
)
0.02 to 2.5
-55 to +125
-55 to +150
StorageTemperature Range (TSTG
)
Temperature Coefficient (DV) of Clamping Voltage (VC) at
Specified Test Current
<0.01
%/º C
© 2013 Littelfuse, Inc.
39
Revised: May 8, 2013
MLAVaristor Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ML.html or MLA.html for current information.
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