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EEVblog #1052 - BEWARE Crap Banana Plugs!

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Dr. Frank:
These multi contact plugs - LS 4 - are really high grade.
Got them on stock and in use  for > 25 years, practically no wear-off of the gold plating, of course also no corrosion.
I measured 0.02 ohm for a 50cm mc cable. They also have low thermal voltage.
You get what you pay for.

These slits in these plugs  might pose some problems nowadays on DMMs, if they have a switch detector in their jacks.
Therefore, MC obviously prefers round, slotted plugs nowadays.


I have encountered similar problems in the past

I've had a similar problem - ordered a bunch of nickel plated ones.  They had the same intermittent contact as Dave shows in his video.  I didn't want to trash them, so I (very cleanly) soldered the tip-end of the spring.  They are now the best banana jacks I own.  ;D


Maybe someone can share some "trustable" links of good banana plugs!  :)


--- Quote from: Rafael on January 20, 2018, 11:21:50 pm ---Maybe someone can share some "trustable" links of good banana plugs!  :)

--- End quote ---

Any of the brands from Digikey. Pomona is kinda the industry reference standard.


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