TMOV34S Series - (Thermally Protected) Varistor Series

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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The Littelfuse Industrial TMOV®34Sseries thermally protected varistor represents a new development in circuit protection. It consists of a 34mm square format varistor element ( MOV) with an integral thermally activated element designed to open in the event of overheating due to abnormal over-voltage, limited current conditions.

Certain TMOV®34S devices are offered with a "monitor" lead which may be connected to signalling circuity to indicate if the MOV has been disconnected from the circuit.

TMOV®34S Series devices offer quick thermal response due to the close proximity of the integrated thermal element to the MOV body. The integrated configuration also offers lower inductance than most discreet solutions resulting in improved clamping performance to fast over voltage transients.

UL1449 3rd Edition approval of TMOV34S Series is currently pending related to the integrated thermal element of this series. Contact your Littelfuse product representative to discuss alternatives and for additional information.

Features:
  • US patent for thermally protected MOV - Patent #US6636403
  • High peak current rating up to 40kA
  • -55 to +85 degree C operating temperature range
  • RoHS Compliant and Lead-free
  • Alternative design available with narrow 3mm wide monitor (right) lead
  • Alternative design available with 2 leads only (no monitor lead)

Applications:
  • SPD (TVSS) Products
  • AC Panel Protection Modules
  • AC Line Power Supplies
  • AC Power Meters
  • UPS (Uninterruptable Power Supply)
  • Inverters
  • AC/DC power supplies
  • DIN Rail

Access specifications, certifications, check availability and order parts below

Catalog #VMAX AC (V)VMAX DC (V)WTM (J)(ITM 1xAmps (A)VNDC
(V)
VNDC MIN
(V)
VNDC MAX (V)Vc (V)PolarityCo Typ
(pF)
Partner ECAD ModelsStockSamplesCompare
TMOV34S111EP11515023540000163202305Bi-directional11500TMOV34S111EPCheckOrder
TMOV34S111M
Replaced By: TMOV34S111MP
11515023540000163202305Bi-directional11500TMOV34S111M
TMOV34S111MP11515023540000163202305Bi-directional11500TMOV34S111MPCheckOrder
TMOV34S131EP13017527040000184228345Bi-directional10000TMOV34S131EPCheckOrder
TMOV34S131M
Replaced By: TMOV34S131MP
13017527040000184228345Bi-directional1000TMOV34S131M
TMOV34S131MP13017527040000184228345Bi-directional1000TMOV34S131MPCheckOrder
TMOV34S141EP14018829140000198248375Bi-directional9000TMOV34S141EPCheckOrder
TMOV34S141M
Replaced By: TMOV34S141MP
14018829140000198248375Bi-directional9000TMOV34S141M
TMOV34S141MP14018829140000198248375Bi-directional9000TMOV34S141MPCheckOrder
TMOV34S151EP15020030040000212268405Bi-directional8000TMOV34S151EPCheckOrder
TMOV34S151M
Replaced By: TMOV34S151MP
15020030040000212268405Bi-directional8000TMOV34S151M
TMOV34S151MP15020030040000212268405Bi-directional8000TMOV34S151MPCheckOrder
TMOV34S181EP18024033040000254312488Bi-directional6800TMOV34S181EPCheckOrder
TMOV34S181M
Replaced By: TMOV34S181MP
18024033040000254312488Bi-directional6800TMOV34S181M
TMOV34S181MP18024033040000254312488Bi-directional6800TMOV34S181MPCheckOrder
TMOV34S201EP20026533540000283357540Bi-directional6500TMOV34S201EPCheckOrder
TMOV34S201M
Replaced By: TMOV34S201MP
20026533540000283357540Bi-directional6500TMOV34S201M
TMOV34S201MP20026533540000283357540Bi-directional6500TMOV34S201MPCheckOrder
TMOV34S251EP25033037040000354429650Bi-directional5000TMOV34S251EPCheckOrder
TMOV34S251M
Replaced By: TMOV34S251MP
25033037040000354429650Bi-directional5000TMOV34S251M
TMOV34S251MP25033037040000354429650Bi-directional5000TMOV34S251MPCheckOrder
TMOV34S271EP27536940040000389473730Bi-directional4500TMOV34S271EPCheckOrder
TMOV34S271M
Replaced By: TMOV34S271MP
27536940040000389473730Bi-directional4500TMOV34S271M
TMOV34S271MP27536940040000389473730Bi-directional4500TMOV34S271MPCheckOrder
TMOV34S301EP30040043540000433528780Bi-directional4050TMOV34S301EPCheckOrder
TMOV34S301M
Replaced By: TMOV34S301MP
30040043540000433528780Bi-directional4050TMOV34S301M
TMOV34S301MP30040043540000433528780Bi-directional4050TMOV34S301MPCheckOrder
TMOV34S321EP32042046040000462561830Bi-directional3800TMOV34S321EPCheckOrder
TMOV34S321M
Replaced By: TMOV34S321MP
32042046040000462561830Bi-directional3800TMOV34S321M
TMOV34S321MP32042046040000462561830Bi-directional3800TMOV34S321MPCheckOrder
TMOV34S331EP33043547540000476581855Bi-directional3700TMOV34S331EPCheckOrder
TMOV34S331M
Replaced By: TMOV34S331MP
33043547540000476581855Bi-directional3700TMOV34S331M
TMOV34S331MP33043547540000476581855Bi-directional3700TMOV34S331MPCheckOrder
TMOV34S351EP35046050040000505616910Bi-directional3500TMOV34S351EPCheckOrder
TMOV34S351M
Replaced By: TMOV34S351MP
35046050040000505616910Bi-directional3500TMOV34S351M
TMOV34S351MP35046050040000505616910Bi-directional3500TMOV34S351MPCheckOrder
TMOV34S391EP385506550400005556781005Bi-directional3300TMOV34S391EPCheckOrder
TMOV34S391M
Replaced By: TMOV34S391MP
385506550400005556781005Bi-directional3300TMOV34S391M
TMOV34S391MP385506550400005556781005Bi-directional3300TMOV34S391MPCheckOrder
TMOV34S421EP420560600400006107481130Bi-directional3000TMOV34S421EPCheckOrder
TMOV34S421M
Replaced By: TMOV34S421MP
420560600400006107481130Bi-directional3000TMOV34S421M
TMOV34S421MP420560600400006107481130Bi-directional3000TMOV34S421MPCheckOrder
TMOV34S461EP460610620400006427831188Bi-directional2800TMOV34S461EPCheckOrder
TMOV34S461M
Replaced By: TMOV34S461MP
46061060400006427831188Bi-directional2800TMOV34S461M
TMOV34S461MP46061060400006427831188Bi-directional2800TMOV34S461MPCheckOrder
TMOV34S481EP480640650400006708251240Bi-directional2700TMOV34S481EPCheckOrder
TMOV34S481M
Replaced By: TMOV34S481MP
480640650400006708251240Bi-directional2700TMOV34S481M
TMOV34S481MP480640650400006708251240Bi-directional2700TMOV34S481MPCheckOrder
TMOV34S511EP510675700400007359101350Bi-directional2500TMOV34S511EPCheckOrder
TMOV34S511M
Replaced By: TMOV34S511MP
510675700400007359101350Bi-directional2500TMOV34S511M
TMOV34S511MP510675700400007359101350Bi-directional2500TMOV34S511MPCheckOrder
TMOV34S551EP550700735400007709391415Bi-directional2250TMOV34S551EPCheckOrder
TMOV34S551M
Replaced By: TMOV34S551MP
550700735400007709391415Bi-directional2250TMOV34S551M
TMOV34S551MP550700735400007709391415Bi-directional2250TMOV34S551MPCheckOrder
TMOV34S571EP5757307704000080510001480Bi-directional2200TMOV34S571EPCheckOrder
TMOV34S571M
Replaced By: TMOV34S571MP
5757307704000080510001480Bi-directional2200TMOV34S571M
TMOV34S571MP5757307704000080510001480Bi-directional2200TMOV34S571MPCheckOrder
TMOV34S621EP6208008404000088010741589Bi-directional2100TMOV34S621EPCheckOrder
TMOV34S621M
Replaced By: TMOV34S621MP
6208008404000088010741589Bi-directional2100TMOV34S621M
TMOV34S621MP6208008404000088010741589Bi-directional2100TMOV34S621MPCheckOrder
TMOV34S661EP6608509004000094011601720Bi-directional2000TMOV34S661EPCheckOrder
TMOV34S661M
Replaced By: TMOV34S661MP
6608509004000094011601720Bi-directional2000TMOV34S661M
TMOV34S661MP6608509004000094011601720Bi-directional2000TMOV34S661MPCheckOrder
TMOV34S681EP6808909504000098011951172Bi-directional1970TMOV34S681EPCheckOrder
TMOV34S681M
Replaced By: TMOV34S681MP
6808909504000098011951772Bi-directional1970TMOV34S681M
TMOV34S681MP6808909504000098011951772Bi-directional1970TMOV34S681MPCheckOrder
TMOV34S751EP750970105040000108013202000Bi-directional1800TMOV34S751EPCheckOrder
TMOV34S751M
Replaced By: TMOV34S751MP
750970105040000108013202000Bi-directional1800TMOV34S751M
TMOV34S751MP750970105040000108013202000Bi-directional1800TMOV34S751MPCheckOrder
TMOV34S075MP
Obsolete: 2011 -03-14
7510216030000117.5106129200Order
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
TMOV34S111EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S111MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S131EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S131MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S141EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S141MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S151EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S151MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S181EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_REACh181_TMOV34S181EP_04-12-2018 No
TMOV34S181MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S201EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S201EP_10-20-2020 REACH209_Declaration_TMOV34S201EP_10-20-2020 No
Does not Contain
TMOV34S201MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S251EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S251MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S271EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S271MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S271MP_11-7-2019 REACH201_Declaration_TMOV34S271MP_11-07-2019 No
Does not Contain
TMOV34S301EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S301EP_02-24-2020 REACH205_Declaration_TMOV34S301EP_02-24-2020 Yes
09/09/2019
Does not Contain
TMOV34S301MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S301MP_11-7-2019 REACH201_Declaration_TMOV34S301MP_11-07-2019 No
Does not Contain
TMOV34S321EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S321EP_11-05-2019 REACH201_Declaration_TMOV34S321EP_11-05-2019 Yes
Does not Contain
TMOV34S321MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S331EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S331MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S351EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S351MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S391EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S391MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S421EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S421MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S461EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S461MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S461MP_11-7-2019 REACH201_Declaration_TMOV34S461MP_11-06-2019 No
Does not Contain
TMOV34S481EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S481MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S511EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S511MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S551EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S551EP_09-12-2017 No
TMOV34S551MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S571EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S571MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 CoC_RoHS10_TMOV34S571MP_09-25-2019 REACH201_Declaration_TMOV34S571MP_09-25-2019 Yes
Does not Contain
TMOV34S621EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S621MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S661EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S661MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S681EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S681MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S751EP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
TMOV34S751MP THERMALLY PROTECTED VARISTOR 34MM ROHS RoHS No 10/01/2005 PbFree No 10/01/2005 No
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