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Littelfuse Releases MITI-7 Series Ultra-Miniature Reed Switches

Littelfuse has introduced the MITI-7 Series Ultra-Miniature Reed Switch, a Form A (single-pole, single-throw normally open or SPST-NO) switch that’s hermetically sealed in a 7mm-long glass envelope.

littelfuseThe MITI-7 Series Reed Switch offers sensitivity options ranging from 6 AT to 20 AT, far wider than existing magnetic switches of comparable size, which were limited to a range of just 6 AT to 10 AT. New automated assembly equipment has allowed Littelfuse to boost production capacity for these small-format switches, which help circuit designers save space on crowded circuit boards.                 

Typical applications for the MITI-7 and MISM-7 reed switches include position and speed sensing in a broad array of markets:

  • Appliances
  • Building and home automation
  • Consumer electronics
  • Data centers
  • Industrial
  • Healthcare

The MISM-7, a surface-mount version of the MITI-7, is also available. Both can switch 170V DC at 10W and offer high insulation resistance (1012 ohms min.) and low contact resistance (<150 milli-ohms).

“The MITI-7 Series is built on fully automated equipment with precision controls,” said Max Shi, Product Marketing Manager, and Sensors at Littelfuse. “The increased capacity and superior quality standards this equipment support help us to supply these reed switches to the global marketplace at much more competitive prices.”

The MITI-7 Ultra-Miniature Reed Switch offers these key benefits:

  • Hermetically sealed switch contacts are unaffected by and do not affect their external environment.
  • Very low circuit board space requirement due to 7 mm x 1.8 mm size.
  • Excellent choice for switching micro-controller logic level loads with the ability to switch 170V DC or 0.25A at up to 10W.


Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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