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DIN connector

Five-pin male 180° DIN connector from a 1988 Schneider MF2 keyboard by Cherry

The DIN connector is an electrical connector that was standardized by the Deutsches Institut für Normung (DIN), the German Institute for Standards, in the mid 1950s, initially with 3 pins for mono, but when stereo connections and gear appeared in late 1950s (1959 or so), versions with 5 pins or more were launched. The male DIN connectors (plugs) feature a 13.2 mm diameter metal shield with a notch that limits the orientation in which plug and socket can mate.[1] The range of DIN connectors, different only in the configuration of the pins, have been standardized as DIN 41524 / IEC/DIN EN 60130-9 (3-pin at 90° and 5-pin at 45°); DIN 45322 (5-pin and 6-pin at 60°); DIN 45329 / IEC/DIN EN 60130–9 (7-pin at 45°); and DIN 45326 / IEC/DIN EN 60130-9 (8-pin at 45°).[2]

In consumer electronics, the term "DIN connector" identifies types of cylindrical connectors that the German Institute for Standards (DIN) had initially standardised for analog audio signals.[3] Some DIN connectors have been used in analog video applications, for power connections, and for digital interfaces, such as the MIDI (DIN 41524), the IBM PC keyboard and the IBM AT keyboard connectors (DIN 41524). The original, technical standards for these models of DIN connector are unavailable, and were replaced with equivalent connectors, such as the international standard IEC 60130-9.[4]

  1. ^ Deutsches Institut für Normung (March 1974). "DIN 41524:1974-03: Dreipolige und fünfpolige Steckverbinder für Rundfunk- und verwandte Geräte". Beuth Verlag GmbH. Retrieved 2017-04-01.
  2. ^ Fiebranz, August; Rottmann, Hans-Peter (November 1979). "Der gegenwärtige Stand der Normung" (PDF). Funk Technik (in German). p. T 535. ISSN 0016-2825. Retrieved 2021-09-13.
  3. ^ Graves-Brown, Paul. "Plugging in: A Brief History of Some Audio Connectors". World Archaeology. 46.
  4. ^ IEC 60130-9: "Connectors for frequencies below 3 MHz — Part 9: Circular connectors for radio and associated sound equipment." International Electrotechnical Commission, Geneva, 2011.

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