Littlefuse's MACD-14 is a sub-miniature, normally open switch with a 14 mm x 2.28 mm diameter (0.551” x 0.090”) glass envelope capable of switching 200 V_DC at 10 W with close differential. Sensitivity range 10-30 AT. High-insulation resistance of 10¹⁰ Ω minimum and low-contact resistance of less than 100 mΩ. Available in surface mount version. Ideally suited to position, proximity, float position sensing for liquid level, industrial controls, office equipment, home appliance, and telecom applications.

Littlefuse also offers the same part but in surface mount (SMT) form factor. The MASM-14 series features a 14.00 mm x 2.28 mm diameter (0.551” x 0.090”) glass envelope capable of switching 200 V_DC at 10 W with close differential.

Hamlin Reed Switch Selection Guide

AT vs mT and Gauss

Modifying Reed Switches

Soldering Temperatures