SM7 Series - Surface Mount Varistor for AC Line Protection

Series: SM7
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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 SM7 Series is a plastic-encapsulated surface-mount metal oxide varistor (MOV) transient voltage surge suppressor that is designed to be operated continuously across AC power lines.

The series comprises a Nylon molded package with tin plated lead frame for soldering to board. The surface mount SM7 Series is based on radial 7mm internal varistor element with similar characteristics to the Littelfuse LA / ZA series of varistor.

Features:

  • Electrical equivalent to leaded types LA/ZA series
  • AC Voltage Rating 115 V to 510VAC rms
  • No De-Rating up to 85°C ambient
  • Good solderability
  • Available in tape and reel
  • Application of AC power meters

Application Spotlight

Access specifications, certifications, check availability and order parts below

Catalog #PolarityCo Typ
(pF)		Vc (V)VMAX AC (V)VMAX DC (V)VNDC MAX (V)VNDC MIN
(V)		(ITM 1xAmps (A)Partner ECAD ModelsStockSamplesCompare
V275SM7Bi-directional807102753694733891200V275SM7CheckOrder
V300SM7Bi-directional707753004055174201200V300SM7CheckOrder
V320SM7Bi-directional658503204205654621200V320SM7CheckOrder
V385SM7Bi-directional6010253855056825581200V385SM7CheckOrder
V420SM7Bi-directional5511204205607486101200V420SM7CheckOrder
V460SM7Bi-directional5511904606157906401200V460SM7CheckOrder
V480SM7Bi-directional5012404806408256701200V480SM7CheckOrder
V510SM7Bi-directional4512005106759107351200V510SM7CheckOrder
Catalog # Certificates
Sorting icon
V275SM7 URicon
V300SM7 URicon
V320SM7 URicon
V385SM7 URicon
V420SM7 URicon
V460SM7 URicon
V480SM7 URicon
V510SM7 URicon
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
V275SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V275SM7 REACH211_Declaration_V275SM7 Yes
01/01/2010		 Does not Contain
V300SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V300SM7 REACH201_Declaration_V300SM7 No
01/01/2010		 Does not Contain
V320SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V320SM7 REACH205_Declaration_V320SM7 No
01/01/2010		 Does not Contain
V385SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V385SM7 REACH_SVHC Declaration_V385SM7 Yes
01/01/2010		 Does not Contain
V420SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 Yes
01/01/2010
V460SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V460SM7 No
01/01/2010
V480SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V480SM7 REACH211_Declaration_V480SM7 Yes
01/01/2010		 Does not Contain
V510SM7 SURFACE MOUNT SM7 VARISTORS RoHS No 08/15/2006 PbFree No 08/15/2006 CoC_RoHS10_V510SM7 REACH_SVHC Declaration (Contain)_V510SM7 No
01/01/2010		 Contains
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