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Oscilloscope BNC mating cycle ratings ?

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nctnico:

--- Quote from: james_s on December 10, 2022, 07:36:30 pm ---
--- Quote from: Bob Sava on April 24, 2018, 04:34:50 pm ---Only 500 mating cycles?  This makes me wonder if 3 year scope warranty covers BNC connectors.

--- End quote ---

Have you ever worn one out? I haven't, and I have multiple scopes that are over 30 years old. A portable scope that is used in the field and gets packed and unpacked every day could have an issue but in most cases I wouldn't be worried about it.

--- End quote ---
I have had flaky BNCs on some test equipment. So yes, it is possible to wear BNCs. But age doesn't matter; the number of mating cycles does. I make it a habit of not disconnecting probes when I don't have to.

I've also experienced worn PCI slots (which are typically rated for 30 mating cycles or so) which meant throwing the motherboard away (this was in a PC used for testing boards so it did see quite a lot of mating cycles).

TheSteve:
I've seen worn out BNC's on several items over the years. The locking posts were half gone. No idea how many cycles it took for that to happen. I do know I push inwards when I turn a BNC to prevent too much pressure on the pins.

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