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Cliff FC681474 5,5x2,5mm panel mounted DC socket (DC jack) with M12x1 RH outer thread 1A *new*

Cliff FC681474 5,5x2,5mm panel mounted DC socket (DC jack) with M12x1 RH outer thread 1A *new*
Cliff FC681474 5,5x2,5mm panel mounted DC socket (DC jack) with M12x1 RH outer thread 1A *new*
Manufacturer: Cliff
Product Code: Cliff FC681474 *new*
Availability: 9
Condition: New
Price: 1.98€
Ex Tax: 1.60€
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Small cylindrical connectors come in a variety of sizes. They may be known as "coaxial power connectors", "barrel connectors", "concentric barrel connectors", "tip connectors", "DC plug connectors" or just as "DC plugs".

The intended use of these plugs is on the cable connected to a power supply. The matching jack or socket is then mounted in the equipment to be powered. Some of these jacks contain a normally closed contact, which can be used to disconnect internal batteries whenever the power supply is connected, avoiding the risk of battery leakage or explosion posed by incorrect recharging of the batteries.

Cylindrical plugs generally have an insulated tip constructed to accept insertion of a pin. The outer body of the plug is one contact, most often but not always the negative side of the supply. A pin mounted in the socket makes contact with a second internal contact. The outer plug contact is often called the barrel, sleeve or ring, while the inner one is called the tip.

There are a wide variety of sizes and designs for these power connectors, and many appear quite similar to each other yet are not quite mechanically or electrically compatible. In addition to a plethora of generic designs (whose original designer is unknown) there are at least two different national standards—EIAJ in Japan and DIN in Germany, plus the JSBP connector used on some laptop computers. The Japanese EIAJ standard includes five different sizes, with each supporting a specified range of voltages. Most of the other coaxial DC power connectors have no specified voltage association, however.

The most common plugs are 5.5mm (0.22") in outside diameter (OD) and 9.5mm (0.37") in length. Two pin sizes are common in the jacks for this size plug body, 2.1mm (0.083") and 2.5mm (0.098"). Generic plugs are often named for the pin diameter they are designed to take. Our indication practice at Scemosystems has been established as (outer diameter)x(pin diameter).

Contact ratings commonly vary from unspecified up to 5A (11A for special hi-power versions from some companies), with 1A, 2A and 5A being common values. Voltage is again often unspecified, up to 48V with 12V typical. The smaller types usually have lower ratings, both for current and voltage. The 'tip' (i.e., the inner conductor) usually carries the positive (+) pole, but this can vary based on the electrical polarity configuration of the device being powered.

Connector technical details:

  • Connector type:
    • DC socket (DC jack)
  • Max suitable wire diameter:
    • What ever you can solder into it, without breaking it
  • Connection type:
    • Solder connection
  • Hole diameter:
    • 5.5mm
  • Center pin diameter:
    • 2.5mm
  • Switch structure:
    • 1x NC (normally closed)
  • Installation hole:
    • 12.6mm or M12x1 RH threads (datasheet’s false M12.7 thread indication is bullshit. There is no such thread available in metric standard)
  • Thread length:
    • 9mm
  • Rated current:
    • 1A
  • Rated voltage:
    • 12V

Download Cliff FC681473 and FC681474 panel mounted DC socket technical datasheet

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