TMOV Series - Thermally Protected Varistor Series

TMOV_iTMOV1
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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.

TMOV and iTMOV Varistor Series
 
The Littelfuse TMOV and iTMOV thermally protected varistors represent a new development in integrated circuit protection. Both versions are comprised of radial leaded MOVs (Metal Oxide Varistors) with an integrated thermally activated element designed to open in the event of overheating due to the abnormal overvoltage, limited current, conditions outlined in UL 1449.
 
The iTMOV varistor differs from the TMOV varistor by the inclusion of a third party lead for the purpose of indicating that the MOV has been disconnected from the circuit. This lead facilitates connection to monitoring circuitry.
  • The TMOV and iTOMV varistors 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 discrete solutions resulting in improved clamping performance to fast over-voltage transients.
Additionally, TMOV and iTMOV varistors are wave solderable, thus simplifying end product assembly by reducing the expense and rework associated with hand soldering operations.
  • The TMOV and iTMOV varisors are both recognized surge suppression components to UL 1449.
  • The TMOV and iTMOV varistor’s integrated thermal element, in conjunction with appropriate enclosure design, helps facilitate TVSS module compliance to UL 1449 for both cord connected and permanently connected applications.
  • TMOV and iTMOV varistors are compatible for use with industry standard wave-soldering processes or recommended hand-soldering methods.


Features:
  • RoHS compliant and Lead–free available
  • Patented integrated thermal protection device - Patent #US6636403
  • Designed to facilitate compliance to UL1449 3nd Edition for SPD product
  • High peak surge current rating up to 10kA
  • Wave solderable
  • Standard lead form and spacing option
  • Low leakage
  • -55°C to +85°C operating temp range
  • Three-lead version available for indication purposes

Access specifications, certifications, check availability and order parts below

Catalog #SizeVMAX AC (V)WTM (J)(ITM 1xAmps (A)ITM 2xAmps (A)VNDC
(V)
VNDC MIN
(V)
VNDC MAX (V)Vc (V)PolarityCo Typ
(pF)
StockSamplesCompare
TMOV14RP115E14mm1153560004500162198300Bi-directional1100CheckOrder
TMOV14RP130E14mm1305060004500184226340Bi-directional1000CheckOrder
TMOV14RP140E14mm1405560004500200240360Bi-directional900CheckOrder
TMOV14RP150E14mm1506060004500216264395Bi-directional800CheckOrder
TMOV14RP175E14mm1757060004500243297455Bi-directional700CheckOrder
TMOV14RP200E14mm2007560004500281344530Bi-directional630CheckOrder
TMOV14RP230E14mm2308060004500324396595Bi-directional550CheckOrder
TMOV14RP250E14mm25010060004500351429650Bi-directional500CheckOrder
TMOV14RP275E14mm27511060004500387473710Bi-directional450CheckOrder
TMOV14RP300E14mm30012560004500423517775Bi-directional400CheckOrder
TMOV14RP320E14mm32013660004500459561840Bi-directional380CheckOrder
TMOV14RP385E14mm385150600045005586821025Bi-directional360CheckOrder
TMOV14RP420E14mm420160600045006127481120Bi-directional300CheckOrder
TMOV20RP115E20mm11552100006500162198300Bi-directional2400CheckOrder
TMOV20RP130E20mm130100100006500184226340Bi-directional1900CheckOrder
TMOV20RP140E20mm140110100006500200240360Bi-directional1750CheckOrder
TMOV20RP150E20mm150120100006500216264395Bi-directional1600CheckOrder
TMOV20RP175E20mm175135100006500243297455Bi-directional1400CheckOrder
TMOV20RP200E20mm200154100006500281344530Bi-directional1250CheckOrder
TMOV20RP230E20mm230160100006500360324396595CheckOrder
TMOV20RP250E20mm250170100006500351429650Bi-directional1000CheckOrder
TMOV20RP275E20mm275190100006500387473710Bi-directional900CheckOrder
TMOV20RP300E20mm300250100006500423517775Bi-directional800CheckOrder
TMOV20RP320E20mm320273100006500459561840Bi-directional750CheckOrder
TMOV20RP385E20mm3853001000065005586821025Bi-directional700CheckOrder
TMOV20RP420E20mm4203201000065006127481120Bi-directional600CheckOrder
TMOV20RP460E20mm4603601000065006758251240Bi-directional200CheckOrder
TMOV20RP510E20mm5103251000065007389021355Bi-directional350CheckOrder
TMOV20RP550E20mm55036010000650081910011500Bi-directional300CheckOrder
TMOV20RP575E20mm57537510000650085610471568Bi-directional275CheckOrder
TMOV20RP625E20mm62540010000650090011001650Bi-directional250CheckOrder
TMOV20RP750E20mm750480100006500108013201980Bi-directional175CheckOrder

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