AUML Series, V18AUMLA2220H Datasheet, PDF (6/8 Pages) Littelfuse, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes and other semiconductors.">
 English
Language : 

V18AUMLA2220H Datasheet, PDF (6/8 Pages) Littelfuse – Varistor Products Surface Mount Multilayer Varistors (MLVs) > AUML Series
Varistor Products
Surface Mount Multilayer Varistors (MLVs) > AUML Series
Product Dimensions (mm)
1"%-":065%*.&/4*0/4
$)*1-":065%*.&/4*0/4
E
Note: Avoid metal runs in this area, parts are not recommended
GPSVTFJOBQQMJDBUJPOTVTJOH4JMWFS "H FQPYZQBTUF
L
D
W
SYMBOL
A
B
C
D NBY
E
L
W
1206 Size
IN
MM








   
   
   
1210 Size
1812 Size
IN
MM
IN
MM















     
     
     

 

 

 

2220 Size
IN
MM








   
   
   
"-PBE%VNQUSBOTJFOUPDDVSTXIFOUIFBMUFSOBUPSMPBE
in the automobile is abruptly reduced. The worst case
scenario of this transient occurs when the battery is
disconnected while operating at full rated load. There
BSFBOVNCFSPGEJGGFSFOU-PBE%VNQTQFDJmDBUJPOTJO
existence in the automotive industry, with the most
common one being that recommended by the Society of
Automotive Engineers, specification #SAE J1113. Because
PGUIFEJWFSTJUZPGUIFTF-PBE%VNQTQFDJmDBUJPOT
-JUUFMGVTFEFmOFTUIF-PBE%VNQFOFSHZDBQBCJMJUZPG
the AUML suppressor range as that energy dissipated by
the device itself, independent of the test circuit setup.
5IFSFTVMUBOU-PBE%VNQFOFSHZIBOEMJOHDBQBCJMJUZ
serves as an excellent figure of merit for the AUML
TVQQSFTTPS4UBOEBSE-PBE%VNQTQFDJmDBUJPOTSFRVJSF
BEFWJDFDBQBCJMJUZPGQVMTFTBUSBUFEFOFSHZ BDSPTT
BUFNQFSBUVSFSBOHFPG$UP $5IJTDBQBCJMJUZ
requirement is well within the ratings of all of the AUML
4FSJFT 'JHVSF 
Explanation of Terms
Maximum
Continuous
DC
Working
Voltage
(*V
.
) %$ +
5IJTJTUIFNBYJNVNDPOUJOVPVT%$WPMUBHFXIJDINBZ
be applied, up to the maximum operating temperature
$ UPUIF.-TVQQSFTTPS5IJTWPMUBHFJTVTFEBTUIF
reference test point for leakage current and is always less
than the breakdown voltage of the device.
Load Dump Energy Rating *W-%+
This is the actual energy the part is rated to dissipate
VOEFS-PBE%VNQDPOEJUJPOT OPUUPCFDPOGVTFEXJUIUIF
TPVSDFFOFSHZPGB-PBE%VNQUFTUTQFDJmDBUJPO 
Maximum Clamping Voltage *VC+
This is the peak voltage appearing across the suppressor
when measured at conditions of specified pulse current
BOETQFDJmFEXBWFGPSN μT *UJTJNQPSUBOUUPOPUF
that the peak current and peak voltage may not necessarily
be coincidental in time.
Leakage Current *IL+
In the nonconducting mode, the device is at a very
IJHIJNQFEBODF BQQSPBDIJOHΩ at its rated working
WPMUBHF BOEBQQFBSTBTBOBMNPTUPQFODJSDVJUJOUIF
system. The leakage current drawn at this level is very
low (<25μ"BUBNCJFOUUFNQFSBUVSF BOE VOMJLFUIF
;FOFSEJPEF UIFNVMUJMBZFS574IBTUIFBEEFEBEWBOUBHF
that, when operated up to its maximum temperature,
JUTMFBLBHFDVSSFOUXJMMOPUJODSFBTFBCPWFμA.
Nominal Voltage *V/ %$ +
This is the voltage at which the AUML enters its
conduction state and begins to suppress transients.
In the automotive environment this voltage is
EFmOFEBUUIFN"QPJOUBOEIBTBNJOJNVN
(V
/
%$ .*/ BOENBYJNVN
7/
%$ ."9 WPMUBHFTQFDJmFE
AUML Varistor Series
56
Revision: July 16, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/AUML.html for current information.