Part Number

V48AUMLA1812

Description

Metal-Oxide Varistors

Manufacture

Littelfuse

Total Page 7 Pages
PDF Download
Download V48AUMLA1812 Datasheet


Features Datasheet pdf AUML Varistor Series Metal-Oxide Varist ors (MOVs) Surface Mount Multilayer Var istors (MLVs) > AUML Series PRELIMINAR Y Size Table Metric 3216 3225 4532 565 0 EIA 1206 1210 1812 2220 Application s • Suppression of inductive switchi ng or other transient events such as EF T and surge voltage at the circuit boar d level • ESD protection for compone nts sensitive to IEC 61000-4-2 (Level 4 ), MIL-STD883C, Method 3015.7, and othe r industry specifications (See Also the MLE or MLN Series) • Provides on-b oard transient voltage protection for I Cs and transistors • Used to help ac hieve electromagnetic compliance of end products • Replace larger surface m ount TVS Zeners in many applications D escription The AUML Series of Multilaye r Transient Surge Suppressors was speci fically designed to suppress the destru ctive transient voltages found in an au tomobile. The most common transient con dition results from large inductive ene rgy discharges. The electronic systems in the automobile, for example, an.
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V48AUMLA1812 Datasheet
AUML Varistor Series
Metal-Oxide Varistors (MOVs)
Surface Mount Multilayer Varistors (MLVs) > AUML Series
Size Table
Metric
3216
3225
4532
5650
EIA
1206
1210
1812
2220
Applications
• Suppression of
inductive switching
or other transient
events such as EFT
and surge voltage at
the circuit board level
• ESD protection for
components sensitive
to IEC 61000-4-2
(Level 4), MIL-STD-
883C, Method 3015.7,
and other industry
specifications (See
Also the MLE or
MLN Series)
• Provides on-board
transient voltage
protection for ICs
and transistors
• Used to help achieve
electromagnetic
compliance of
end products
• Replace larger surface
mount TVS Zeners in
many applications
Description
The AUML Series of Multilayer Transient Surge Suppressors
was specifically designed to suppress the destructive
transient voltages found in an automobile. The most common
transient condition results from large inductive energy
discharges. The electronic systems in the automobile, for
example, antilock brake systems, direct ignition systems,
engine control, airbag control systems, wiper motor controls,
and so on, are susceptible to damage from these voltage
transients and thus require protection. The AUML transient
suppressors have temperature independent suppression
characteristics affording protection from -55ºC to 125ºC.
The AUML suppressor is manufactured from semiconducting
ceramics which offer rugged protection and excellent
transient energy absorption in a small package. The devices
are available in ceramic leadless chip form, eliminating lead
inductance and assuring fast speed of response to transient
surges. These Suppressors require significantly smaller
space and land pads than Silicon TVS diodes, offering greater
circuit board layout flexibility for the designer.
Also see the Littelfuse ML, MLN, and MLE Series of
Multilayer Suppressors.
Features
• AEC-Q200 compliant • High peak surge
• RoHS Compliant
current capability
• Load Dump energy
• Low Profile, compact
rated per SAE
industry standard chip
Specification J1113
size; (1206, 1210, 1812,
• Leadless, surface
and 2220 Sizes)
mount chip form
• Inherent bidirectional
• “Zero” Lead Inductance
clamping
• Variety of energy
ratings available
• No Plastic or epoxy
packaging assures
better than 94V-0
• No temperature derating flammability rating
up to 125ºC ambient
Absolute Maximum Ratings
• For ratings of individual members of a series, see Device Ratings and Specifications chart.
Continuous
AUML Series
Units
Steady State Applied Voltage
DC Voltage Range (VM(DC))
Transient
16, 18, 24, 48, 68
V
Load Dump Energy, (WLD)
1.5 to 25
J
Jump Start Capability (5 minutes), (VJUMP)
48 V
Operating Ambient Temperature Range (TA)
-55 to +125
OC
Storage Temperature Range (TSTG)
-55 to +150
OC
Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current
<0.01
%/OC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any
other conditions above those indicated in the operational sections of this specification is not implied.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/10/19




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