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A jumper is a small connector that connects two contacts or contact pins. It is manually plugged onto pins and forms a contact bridge.

Jumpers are usually covered with a plastic layer that serves as electrical insulation and offers protection against contact. This also prevents highly sensitive electronic components from being damaged by electrostatic discharges


Plugged-in jumpers, photo: Highgames Jump

Plugged-in jumpers, photo: Highgames Jump

ers are used for fixed configurations of hardware components by plugging them onto the corresponding pin pairs of a pin row. For example, two points of an electronic circuit can be connected to each other, hard disks

can beconfigured, memory areas can be switched or certain operating states

can be defined. Theposition at which the jumpers have to be plugged in can be found in the respective operating instructions.

In circuit board manufacturing, solder bridges are called jumpers. These are unwanted solder connections between closely spaced tracks or solder points.

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Englisch: jumper
Updated at: 17.08.2020
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