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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Hi,
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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. |
#3
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![]() Victory wrote: Hi, 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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif So what do the extra 2 pins do ? Are they taps ? How do you use them in your circuit ? Graham |
#4
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Victory wrote:
Hi, 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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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 ? -- Best Regards: Baron. |
#5
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On Thu, 7 Feb 2008 11:17:21 -0800 (PST), Victory
wrote: Hi, 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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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
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Victory wrote:
Hi, 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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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
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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... On Feb 7, 4:18 pm, "Michael A. Terrell" wrote: Victory wrote: Hi, 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 andhttp://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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 |
#8
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![]() Victory wrote: 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. It's not a 'five pin pot' then. It's a single pot with on/off switch. These are quite routine and widely available. Graham |
#9
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![]() "Victory" wrote in message ... Hi, 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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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. Arfa |
#10
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![]() "Arfa Daily" wrote in message ... "Victory" wrote in message ... Hi, 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 http://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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. Arfa 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. Arfa |
#11
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Victory wrote:
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... On Feb 7, 4:18 pm, "Michael A. Terrell" wrote: Victory wrote: Hi, 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 andhttp://www.potentiometers.com , 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: http://davidd.250free.com/resistor.gif I know it might not be enough to go on, but maybe someone can point me in the right direction. 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 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. HTH -- Regards: Baron. |
#12
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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. 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. I'm too introverted to have friends... ![]() |
#13
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![]() "Victory" wrote in message ... 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. 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. I'm too introverted to have friends... ![]() 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 ... Arfa |
#14
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Arfa,
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). 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. |
#15
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In article
, Victory wrote: Arfa, 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). 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 eggs." |
#16
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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 specifics. 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 eggs." |
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