Littelfuse offers many Reed Switch products that can serve sensing needs in a wide range of applications. The Littelfuse/Hamlin Reed Switch Selection Guide is a useful tool that contains information about all Littelfuse standard Reed Switch products. The front side of the Selection Guide contains a table of all Reed Switch products categorized by switching power, size, and terminal types. The back side contains a summary of the key features and characteristics of each Reed Switch type, along with advantages of using particular switches for specific applications.