SM20 Series - Surface Mount Varistor for use in applications requiring hi-energy / transient current capability

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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.

The Littelfuse SM20 Series is a 20mm SMD metal oxide varistor device. The AC rated parts are designed to operate continuously across AC power lines. The DC rated parts are suitable for Automotive applications. The series comprises a Nylon molded package with folded tin plated metal leads for soldering to board.

The SMD Series is based on radial 20mm internal varistor element with similar characteristics to the Littelfuse LA / ZA series of varistors.

Features:

  • DC Voltage Rating 26 – 420VDC
  • AC Voltage Rating 175 - 320AC
  • No De-Rating up to 85°C ambient
  • Lead-free, Halogen-free and RoHS compliant
  • Low voltage devices specified for automotive load dump energy
  • Available in "waffle" tray packaging

Access specifications, certifications, check availability and order parts below

Catalog #PolarityMSLCo Typ
(pF)
Vc (V)VMAX AC (V)VMAX DC (V)VNDC MAX (V)VNDC MIN
(V)
(ITM 1xAmps (A)Partner ECAD ModelsStockSamplesCompare
V175SM20Bi-directionalLevel 114004551752253032476500V175SM20CheckOrder
V230SM20Bi-directionalLevel 111005952303003963246500V230SM20CheckOrder
V250SM20Bi-directionalLevel 110006502503304293546500V250SM20CheckOrder
V26SM20Bi-directionalLevel 11200063202640322000V26SM20CheckOrder
V275SM20Bi-directionalLevel 19007102753694733896500V275SM20CheckOrder
V300SM20Bi-directionalLevel 18007753004055174206500V300SM20CheckOrder
V320SM20Bi-directionalLevel 17508103204205404626500V320SM20CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
V175SM20 SURFACE MOUNT SM20 VARISTORS RoHS No 04/11/2012 PbFree No 04/11/2012 CoC_RoHS10_V175SM20 REACH201_Declaration_V175SM20 Yes
04/11/2012
Does not Contain
V230SM20 SURFACE MOUNT SM20 VARISTORS RoHS No 04/11/2012 PbFree No 04/11/2012 Yes
04/11/2012
V250SM20 SURFACE MOUNT SM20 VARISTORS RoHS No 04/11/2012 PbFree No 04/11/2012 Yes
04/11/2012
V26SM20 SM SERIES VARISTOR 26V DC RATING RoHS No 04/11/2012 PbFree No 04/11/2012 CoC_RoHS10_V26SM20 REACH219_Declaration_V26SM20 Yes
04/11/2012
Does not Contain
V275SM20 SURFACE MOUNT SM20 VARISTORS RoHS No 04/11/2012 PbFree No 04/11/2012 Yes
04/11/2012
V300SM20 SURFACE MOUNT SM20 VARISTORS RoHS No 04/11/2012 PbFree No 04/11/2012 CoC_RoHS10_V300SM20 REACH191_Declaration_V300SM20 Yes
04/11/2012
Does not Contain
V320SM20 SURFACE MOUNT SM20 VARISTORS RoHS No 04/11/2012 PbFree No 04/11/2012 Yes
04/11/2012
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