MISM-7LR-15-20 - MITI-7L Series

Series: MITI-7L
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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 MITI-7L ultra-miniature reed switch is a normally open switch with a 7 mm x 1.8 mm (0.276” x 0.071”) glass envelope, which can switch up to 10 W. It has a sensitivity range of 6-25 AT. It has a high insulation resistance of 1011 ohms minimum and low contact resistance of less than 150 milliohms. The MITI-7 is also available in a surface mount version, that is, MISM-7L.


  • Prolong operating life cycles
  • Ultra-miniature, normally open switch
  • Wide sensitivity range: 6-25 AT
  • Hermetically sealed
  • cULus recognition
  • RoHS compliant


  • Extending end product operating life and reliability
  • Saves PCB space and reduce overall weight for compact size and light weight end products
  • More design flexibility/options for end product: magnet size and sensitive distance
  • Suitable for various operating environment/applications
  • Facilitates end product meeting/passing cULus test/request
  • Environment friendly


  • Reed Relay particularly on Automatic Test Equipment (ATE)
  • Small Appliance that requires long life and high reliability
  • Position Sensing
  • Security


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To request product environmental information, please complete the Product Environmental Information Request Form.