Small metallurgy for cables and connectors

Small metallurgy for cables and connectors

AmazonBasics HDMI cable (4-fold shielding, high-speed HDMI 1.3b) 3 m (electronic)

Customer Review

With a 1.5m cable can not run grossly wrong actually. Only the longer an HDMI cable is, so from 2m, the more important good quality = shielding and that the plugs are cast in one piece.

Small metallurgy for cables and connectors
Conductivity / interpersonal skills from good to bad: silver, copper, gold, nickel.
Corrosion resistance / oxidation protection from good to bad: Gold, nickel, very bad: copper (see oxidized grünspanige church roofs).
Softness (formability) from good to bad: Gold, nickel.
Abrasion Resistance of good to bad: nickel, gold.
Resistance is the product of cross-section and layer thickness in gild / nickel. Gold-plated / nickel-plated plugs, however, are only coated in the micrometer range, with a high contact section of the plug surface. Therefore, the poorer the physical theory conductivity of gold and nickel to copper acts in practice is not enough.
In NoName-cheap goods, the gold / nickel coating is often reposition after 5x, scraped with a lot of bad luck already during the first insertion or has scratches.

Target: A cable is guided optimally, corrosion protection is provided by the PVC jacket.
Conclusion: best cable is the pure silver cable. Since silver viiiel too expensive, you take the 2nd winner, the copper cable.

Target: A connector should not oxidize and is narrow, supple contact with the socket have - to fit micro tight.
Conclusion:
Jack on the unit is plated, then take only gold-plated plug.
Jack on the unit is not gold-plated, then it does not matter whether or nickel plated plug connector. Take the most inexpensive cast brand connector.
Tropical special case Climate / wet room / Outside: take only gold-plated and molded plugs.
Special case frequent sales / / unplug (about 1x / week): Nickel-plated connectors are more robust. Gold plated plugs wear out more quickly due to the only micro-thin gold plating and softness of gold.
Special Case Tropical Climate / wet room / outdoor and frequent sales / / unplug (about 1x / week) or constant vibrations (in the car) of the plug: buy cheap brand cables with gold-plated and molded plugs. Plug periodically check plug before whether gold layer has scratches. If so, new connector (cable) buy - or wait until something stops working (image-sound interference, HDMI devices are not recognized), then replace cable / plug.

This cable meets all quality criteria.
May this review for many cable / connector buyer be helpful.

not great 103 Rank: 2/5
December 28
Phonetic error Rank: 3/5
January 28
MEET MY EXPECTATIONS 170 Rank: 5/5
February 5
too shaky Rank: 1/5
February 1
Conclusion after 13 months Rank: 2/5
January 4

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