App note: Reed switch basics

an_hsi_Reed_Switch_Basics

Application note from Hermetic Switch Inc. (HSI) on simple reed switches. Link here (PDF)

A reed switch consists of two or three metal reed contacts (blades) that are hermetically sealed inside a glass tube containing an inert atmosphere. Reed switches come in various sizes, magnetic sensitivities, high power capabilities, high voltage capability, contact configurations, and lead configurations.

 

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