Varistor Products
Radial Lead Varistors > UltraMOVTM 25S Series
UltraMOVTM 25S Varistor Series
RoHS
Description
5IFꢀ6MUSB.07TMꢀꢄꢉ4ꢀ7BSJTUPSꢀ4FSJFTꢀJTꢀEFTJHOFEꢀGPSꢀ
BQQMJDBUJPOTꢀSFRVJSJOHꢀIJHIꢀQFBLꢀTVSHFꢀDVSSFOUꢀSBUJOHTꢀBOEꢀ
IJHIꢀFOFSHZꢀBCTPSQUJPOꢀDBQBCJMJUZꢁꢀ6MUSB.07ꢀWBSJTUPSTꢀBSFꢀ
QSJNBSJMZꢀJOUFOEFEꢀGPSꢀVTFꢀJOꢀ"$ꢀ-JOFꢀ7PMUBHFꢀBQQMJDBUJPOTꢀ
TVDIꢀBTꢀ4VSHFꢀ1SPUFDUJWFꢀ%FWJDFTꢀꢂ41%ꢃꢅꢀ6OJOUFSSVQUBCMFꢀ
1PXFSꢀ4VQQMJFTꢀꢂ614ꢃꢅꢀ"$ꢀ1PXFSꢀ5BQTꢅꢀ"$ꢀ1PXFSꢀ.FUFSTꢅꢀ
PSꢀPUIFSꢀQSPEVDUTꢀUIBUꢀSFRVJSFꢀWPMUBHFꢀDMBNQJOHꢀPGꢀIJHIꢀ
USBOTJFOUꢀTVSHFꢀDVSSFOUTꢀGSPNꢀTPVSDFTꢀTVDIꢀBTꢀMJHIUOJOHꢅꢀ
JOEVDUJWFꢀMPBEꢀTXJUDIJOHꢅꢀPSꢀDBQBDJUPSꢀCBOLꢀTXJUDIJOHꢁ
5IFTFꢀEFWJDFTꢀIBWFꢀꢄꢉNNꢀTRVBSFꢀGPSNTꢀBSFꢀQSPEVDFEꢀ
JOꢀBꢀSBEJBMꢀMFBEꢀQBDLBHFꢀBOEꢀPGGFSFEꢀXJUIꢀTUSBJHIUꢀMFBETꢁꢀ
6MUSB.07TꢀBSFꢀNBOVGBDUVSFEꢀXJUIꢀSFDPHOJ[FEꢀFQPYZꢀ
FODBQTVMBUJPOꢀBOEꢀBSFꢀSBUFEꢀGPSꢀBNCJFOUꢀUFNQFSBUVSFTꢀ
VQꢀUPꢀꢆꢉ¡$ꢀXJUIꢀOPꢀEFSBUJOHꢁꢀ5IJTꢀꢄꢉ4ꢀ4FSJFTꢀJTꢀ
Agency Approvals
Agency
Agency FIle Number
Status
-"4&3ꢌCSBOEFEꢀBOEꢀJTꢀTVQQMJFEꢀJOꢀCVMLꢀQBDLBHJOHꢁ
&ꢐꢄꢈꢎꢎꢑ
ꢈꢒꢎꢏꢆꢆ
"QQSPWFE
Features
"QQSPWFE
tꢀ-FBEoGSFFꢀBOEꢀ
3P)4ꢀDPNQMJBOUꢁ
tꢀ4UBOEBSEꢀPQFSBUJOHꢀ
WPMUBHFꢀSBOHFꢀ
DPNQBUJCMFꢀXJUIꢀ
DPNNPOꢀ"$ꢀMJOFꢀ
WPMUBHFTꢀꢂꢎꢎꢉꢀꢀUPꢀ
ꢏꢉꢈ7"$ꢃ
tꢀ)JHIꢀQFBLꢀTVSHFꢀ
DVSSFOUꢀSBUJOHꢀꢂ*TMꢃꢀ
ꢄꢄL"ꢅꢀTJOHMFꢀꢆꢇꢄꢈμTꢀ
QVMTFꢅꢀꢂꢄꢉNNꢃ
tꢀ$IBSBDUFSJ[FEꢀGPSꢀ
NBYJNVNꢀTUBOECZꢀ
DVSSFOUꢀꢂ-FBLBHFꢃ
tꢀꢊꢈL"ꢀSBUJOHꢀXIFOꢀꢄꢀ
EFWJDFTꢀQBSBMMFMFEꢀ
ꢂ7/ꢂ%$ꢃꢀNBUDIFEꢀ
XJUIJOꢀꢋꢇꢌꢀꢉꢍꢅꢀ
DPOUBDUꢀGBDUPSZꢀGPSꢀ
TQFDJBMꢀTFMFDUJPOT
tꢀ$VTUPNꢀWPMUBHFꢀ
UZQFTꢀBWBJMBCMF
tꢀ4UBOEBSEꢀMFBEꢀGPSNꢀ
BOEꢀMFBEꢀTQBDFꢀPQUJPOT
Absolute Maximum Ratings
tꢀ'PSꢀSBUJOHTꢀPGꢀJOEJWJEVBMꢀNFNCFSTꢀPGꢀBꢀTFSJFTꢅꢀTFFꢀ%FWJDFꢀ3BUJOHTꢀBOEꢀ4QFDJmDBUJPOTꢀDIBSU
Continuous
UltraMOVTM 25S Series
Units
Steady State Applied Voltage:
"$ꢀ7PMUBHFꢀ3BOHFꢀꢂ7.ꢂ"$ꢃ3.4
)
ꢎꢎꢉꢀUPꢀꢏꢉꢈ
ꢎꢉꢈꢀUPꢀꢒꢏꢈ
7
7
%$ꢀ7PMUBHFꢀ3BOHFꢀꢂ7.ꢂ%$ꢃ
)
Transients:
1FBLꢀ1VMTFꢀ$VSSFOUꢀꢂ*TMꢃꢀꢆYꢄꢈμTꢀ$VSSFOUꢀ8BWFꢀ4JOHMFꢀ1VMTF
ꢄꢄꢅꢈꢈꢈ
ꢄꢐꢈꢀUPꢀꢆꢒꢈ
ꢌꢉꢉꢀUPꢀꢋꢆꢉ
ꢌꢉꢉꢀUPꢀꢋꢎꢄꢉ
ꢓꢈꢁꢈꢎ
"
J
4JOHMFꢌ1VMTFꢀ&OFSHZꢀ$BQBCJMJUZꢀꢂ8TMꢃꢀꢄNTꢀ$VSSFOUꢀ8BWF
0QFSBUJOHꢀ"NCJFOUꢀ5FNQFSBUVSFꢀ3BOHFꢀꢂ5")
$
4UPSBHFꢀ5FNQFSBUVSFꢀ3BOHFꢀꢂ5STG
)
$
5FNQFSBUVSFꢀ$PFGmDJFOUꢀꢂB7ꢃꢀPGꢀ$MBNQJOHꢀ7PMUBHFꢀꢂ7$ꢃꢀBUꢀ4QFDJmFEꢀ5FTUꢀ$VSSFOU
ꢍꢇ$
)Jꢌ1PUꢀ&ODBQTVMBUJPOꢀꢂ$0"5*/(ꢀ*TPMBUJPOꢀ7PMUBHFꢀ$BQBCJMJUZꢃꢀ
%JFMFDUJDꢀ8JUITUBOEꢀ%$ꢀGPSꢀꢎꢀNJOꢀQFSꢀ.*-o45%oꢄꢈꢄꢅꢀꢀ.FUIPEꢀꢐꢈꢎ
*OTVMBUJPOꢀ3FTJTUBODFꢀPGꢀUIFꢀ&QPYZꢀ$PBUJOH
ꢄꢉꢈꢈ
ꢎꢈꢈꢈ
7
MΩ
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.
©20098 Littelfuse, Inc.
95
UltraMOV™ 25SVaristor Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov25s.html for current information.
Revision: July 28, 2009