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Source of 5 pins potentiometers?

Discussion in 'Electronic Repair' started by Victory, Feb 7, 2008.

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  1. Victory

    Victory Guest


    The place I was buying my 5 pin potentiometers has run out. I phoned
    a couple of places, but they need part numbers (which I don't have and
    can't get from the store - they must know that I am outsourcing and
    there is nothing listed on the part). When I asked for a 1K
    potentiometer with 5 pints on the phone to Mouser and
    , it was like asking if they had seen a unicorn, so I am wondering if
    these are rare. They told me they have lots of 3 pin, but not 5 pin.

    Any ideas or places to purchase?

    Thanks in advance.

    Here is what is the potentiometer looks like:

    I know it might not be enough to go on, but maybe someone can point me
    in the right direction.
  2. Don Bowey

    Don Bowey Guest

    It might help if you could post what is the distribution of the resistance
    among the pins. Are two of the pins a switch by any chance?

    You can't simply ask for a "5-pin" potentiometer as there are gobs and
    gazillions of different types, configurations, and resistance values and
  3. Eeyore

    Eeyore Guest

    So what do the extra 2 pins do ?

    Are they taps ? How do you use them in your circuit ?

  4. Baron

    Baron Guest

    I had a look at your picture. I can't see any threads on the collar
    below the shaft. Are those two lugs at either side used for mounting ?
  5. default

    default Guest

    Egad's! a unicorn!

    It would help to know what the pins do? That looks like an
    inexpensive pot so it probably rules out fancy stuff like sin/cos -
    that leaves taps or mounting ears or grounding lugs.

    Flip it over?

  6. Brand, part number, resistance, physical size, wattage, taper? that
    looks like a transistor radio volume control with a switch from the
    front, but you haven't given us ANYTHING to work with.

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
  7. Victory

    Victory Guest

    I am in the same boat - I know it is 1K as I stated earlier. The two
    pins on the sides are for an OFF/ON switch. As I said, they aren't
    giving me any indication besides this that I read on the baggie at the
    store :

    P1K - SW
    6222-20 5 Pin

    Not much help, I don't think...
  8. Eeyore

    Eeyore Guest

    It's not a 'five pin pot' then.

    It's a single pot with on/off switch. These are quite routine and widely available.

  9. Arfa Daily

    Arfa Daily Guest

    This is the pot you are using with your LED dimmer project, right ? It's a
    1k rotary pot with single pole switch, and a linear taper. You could also
    use a similar pot with double pole switch (total 7 pins). Both are readily
    available items. Can you not search say Mouser's website using "pot with
    switch" as the search string ? I would have thought that would have turned
    up whatever range they have.

  10. Arfa Daily

    Arfa Daily Guest

    In fact, I just went and did this. Mouser have 311-1600-1k at $0.97 which
    fits the bill, and Digikey have CT2224-ND at $3.48. Rather more expensive,
    but rather a better (constructed and rated) pot ...

    I'm sure a few minutes spent making friends with Google, would turn up many
    more examples.

  11. Baron

    Baron Guest

    Just found a "Sharp" transistor radio with what looks like an identical
    pot! No threads on the bush, with a split, 5mm dia splined shaft. Its
    soldered through a cut out in the circuit board using all five tabs.
    However its value is 10K log, stamped in the side. Physically its body
    is 15mm dia x 4 or 5mm thick. There is no part No: that I can see.

  12. Victory

    Victory Guest

    I wonder why the guy on the phone didn't seem to be able to help me
    out at Mouser? Oh well, this is a start. How can I tell if they are
    threaded? I wish I could send the picture that I have to Mouser and
    see if they have something that matches up closely. The thread and
    post is important too now that I think about it.

    I'm too introverted to have friends... ;)
  13. Arfa Daily

    Arfa Daily Guest

    Possibly, the words that you were using to describe what you wanted, just
    didn't 'resonate' with the guy. Or he was just a kid hired to field phone
    calls. Are you familiar at all with speccing and buying electronic
    components ? From the original thread, and now this new one, I rather
    suspect not.

    You need to learn to use an online catalogue. Both of those parts that I
    pointed you to, have internal links attached to their basic catalogue entry,
    which take you to the manufacturer's spec sheets for them. These tell you
    everything, both electrically and mechanically, that characterise the
    device. This is common with electronic component catalogues.

    I don't mean to be rude, but the amount of help that you have received so
    far on this project from many people on this group, has been staggering,
    considering that it was more of a basic electronics design question
    originally, than a "repair" one (check the name of this group ... ) If you
    genuinely don't understand about speccing and ordering components, then i'm
    sure most of us don't mind helping you out a little, but be careful that you
    don't get us to thinking that you just can't be bothered to work it out for
    yourself ...

  14. Victory

    Victory Guest


    I did look at the PDF and it didn't look like it had threads on the
    pot. I will phone the company again today. I don't want you to think
    that I am not actually doing any of the work myself though. I do get
    frustrated when talking to these guys on the phone and they say 'sorry
    can't help you' especially after the people on the form say the parts
    are easy to come by and common-place. Must be my way of saying things
    I guess. The electronic store that I buy from won't be of any help
    because they won't tell me the part number and the baggie it comes in
    is of little help. And yes I do appreciate the help. I guess I will
    look for another forum that might be able to help with a parts list
    since I don't want to outstay my welcome (if I haven't already).
  15. Smitty Two

    Smitty Two Guest

    Mouser and Digikey and the like are parts distributors. They sell parts
    made by many different companies. It is not their business to specify
    which part you need for your application. They are not there to offer
    technical support. They expect you to know what you want, and to ask for
    it using correct terminology.

    As others have pointed out, "five-pin pot" is not the correct
    terminology. No one would have any idea what you're talking about. The
    pot you have could be called a pot with an integral on-off switch.
    Actually, it isn't integral at all - it's merely two separate
    components; a rotary pot and a rotary SPST switch, fastened together
    mechanically for your convenience.

    In order to acquire a suitable component for your application, be
    prepared to provide at least the following:

    Resistance (e.g. 1k ohm)
    Power rating (e.g. 2 watts)
    Taper style (linear or logarithmic)
    Mounting style (the threads you want mean that it is a "chassis mount"
    pot, i.e., meant to be fastened to the front panel of an enclosure -- as
    opposed to a "board mount" which would be soldered to the circuit board
    but not to the chassis.)

    You're going to get strange looks if you walk into a restaurant and ask
    for some "mixed up unborn chickens" instead of asking for "scrambled
  16. Victory

    Victory Guest

    Thank you so much for the humorous and enlightening email. You are
    right, I have to get the names right before I order. This has gone a
    long way in helping me. The guys at the store don't seem to have time
    to tell me, they said 'it is a pot with 5 pins', so that is where I
    got the name from. Thanks again, at least you are giving me
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