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Ultra-miniature reed switch: MITI-7L

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MITI-7L Series - Long life > High Reliability > 7.0mm Reed Switch
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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About Littelfuse
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Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs. We are also expanding into adjacent markets that complement our core business including power distribution centers for mining operations, generator controls and protection for marine applications, heavy-duty switches for commercial vehicles and electromechanical sensors used in the automotive industry.

Littelfuse is the preferred brand for leading manufacturers around the world, with more than 40 sales, manufacturing and engineering facilities and a global network of distribution channels.