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The connector reliably carries signals at frequencies up to 100 MHz. [1] The coupling shell has a 5 / 8 inch 24 tpi UNEF standard thread. [4] The most popular cable plug and corresponding chassis-mount socket carry the old Signal Corps labels PL-259 (plug #259) and SO-239 (socket #239). [12]
FAKRA connector is a modified SMB connector with a keyed and colour coded plastic housing and latch, used in the automotive industry [5] SMC connector; SSMA connector is a 50 Ohm nominal impedance RF connector which utilizes a 10–36 threaded coupling and is essentially a scaled down version of the SMA. They are characterized by compactness ...
Many plug and socket connectors are attached to a wire or cable by soldering conductors to electrodes on the back of the connector. Soldered joints in connectors are robust and reliable if executed correctly, but are usually slower to make than crimped connections. [ 1 ]
Soldering (US: / ˈ s ɒ d ər ɪ ŋ /; UK: / ˈ s oʊ l d ər ɪ ŋ /) is a process of joining two metal surfaces together using a filler metal called solder. The soldering process involves heating the surfaces to be joined and melting the solder, which is then allowed to cool and solidify, creating a strong and durable joint.
The vast majority of PL259's on the market today are cheap thin shelled Chinese silver Teflon connectors which have their own problems. for example the galvanic corrosion potential between silver and lead solder is very high as compared to Lead solder and nickel plate. Not to mention that these new connectors are so thin you can bend them by hand..
Dip soldering apparatus. Dip soldering is a small-scale soldering process by which electronic components are soldered to a printed circuit board (PCB) to form an electronic assembly. The solder wets to the exposed metallic areas of the board (those not protected with solder mask), creating a mechanical and electrical connection.
Solder makes a strong electrical and mechanical connection. Point-to-point wiring is not suitable for automated assembly (though see wire wrap , a similar method that is) and is carried out manually, making it both more expensive and more susceptible to wiring errors than PCBs, as connections are determined by the person doing assembly rather ...
An RF connector must not allow external signals into the circuit through electromagnetic interference and capacitive pickup. Mechanically, RF connectors may provide a fastening mechanism ( thread , bayonet , braces, blind mate ) and springs for a low ohmic electric contact while sparing the gold surface, thus allowing very high mating cycles ...