This document describes the features and characteristics of the SND series DIP switch, including double contacts, low contact resistance, self-clean on contact area, splay terminals for automatic insertion by IC insertion machine, and straight terminals for manual insertion. Electrical characteristics include electrical life, contact resistance, insulation resistance, dielectric strength, and capacitance. Environmental characteristics include mechanical life, operation force, operating temperature range, storage temperature range, vibration test, and shock test. Physical characteristics include base and cover materials, actuator materials, contact materials, and terminal materials.