Piano KSP Series
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DIP Switch Trivia
What is a DIP Switch?
DIP switch stands for “Dual In-line Package switch.” It got this name because the slide-type DIP switch shares the same shape as the Dual In-line Package used in semiconductors. Unlike other types of switches, DIP switches are rarely mounted on the surface of panels; instead, they are installed on printed circuit boards and integrated into internal devices. Their primary purpose is to control digital signals, and they are used for tasks such as setting programs, switching circuits, and checking circuits.
Demand for 10 million units per month in Japan
The DIP switch was first invented in the United States in the 1970s. In Japan, it was introduced as a switch for setting prices in vending machines and has a history of more than 40 years as of 2024. Its use has expanded rapidly as a programming setting switch, and it is said that there is now a demand for 10 million units per month in Japan.
Slide-type switches make up nearly 70%
DIP switches are broadly classified into slide-type, piano-type, and rotary-type based on the shape of the operating part, and they are used differently depending on the application. Slide-type switches are the most common, accounting for just under 70% of the total, with 4-pole and 8-pole switches being the main types used. In rotary-type switches, turning the dial changes the output in binary code, with OFF being 0 and ON being 1, resulting in outputs like 000 → 001 → 010 → 011 → … → 111 in sequence.