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Need help identifying component
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Scabab1359 1 year ago
I need need help identifying the component in this picture. There are 6 pins. This is all I know about this component. Any help would be great thank you. ![6 pins with JX printed on top. ](//image.easyeda.com/pullimage/7ko8hv7uEwj237h42Rzn0nsWn76AA7zcEqD1XTNR.jpeg) <br> <br>
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Markus_ee 9 months ago
Hi! This resonator can be replaced with more traditional crystal oscillator circuit. At least there shouldn't be any problem to the operation of the microcontroller on which method to use to generate it's own internal clock. ![crystal.jpg](//image.easyeda.com/pullimage/bIuHPZ0Rb3Xi5dbgEuU9vqkU90GuoGBgN1HrcZrl.jpeg) Regards, Markus Virtanen HW / Electronics Designer
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Scabab1359 1 year ago
Thanks for all the help! You Rock!!
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andyfierman 1 year ago
@Scabab1359, @mrtom528, Yes, I think you've found the right part: [https://www.murata.com/en-eu/products/productdetail?partno=CSTCW24M0X53-R0](https://www.murata.com/en-eu/products/productdetail?partno=CSTCW24M0X53-R0)<br> <br> The dimensions look about right to the photo on the LCSC page and sure enough the pads on the top face do wrap right the way round the under side. ![image.png](//image.easyeda.com/pullimage/b6xY97V6uvEQz2BhB4mGm9hgBRW05GgGblRwWeOh.png)
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Scabab1359 1 year ago
With the new footprint ![pcb.png](//image.easyeda.com/pullimage/i6n2DswcIXgkxIrf14PFS4oYOKCpqItWNKqHYl1G.png)
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Scabab1359 1 year ago
I think I found it. [https://lcsc\.com/product\-detail/SMD\-Crystal\-Resonators\_Murata\-Electronics\-CSTCW24M0X53\-R0\_C527607\.html](https://lcsc.com/product-detail/SMD-Crystal-Resonators_Murata-Electronics-CSTCW24M0X53-R0_C527607.html) Easyeda doesn't have it in their library tho, always a pain in the ass when you find it in lcsc.com but it doesnt transfer over to easyeda. anyways i made a footprint for it and im waiting on a scope to test the current one i have to find out if it is actually 24MHz. My guess was 12MHz but I could very well be wrong.
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MrToM 1 year ago
@Scabab1359, Sorry I can't shed any more light on what it is but one observation is that it appears to be soldered upside down....possibly? Those pads certainly look like SMD pads, not sure I've ever seen pads on the top of a component like this before. Is it possible to check underneath it to see if there are any more markings? It may have been soldered this way as a result of a pin-out issue, and this was a workround. I dunno, just looks odd to me...kind of dead-bug style ya know? _ Sorry not to be more help, good luck. _ Regards.
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Scabab1359 1 year ago
that is defiantly the right type of component. [https://www.digikey.ca/en/products/detail/murata-electronics-north-america/CSTCW24M0X53-R0/584642](https://www.digikey.ca/en/products/detail/murata-electronics-north-america/CSTCW24M0X53-R0/584642) looks exact except for the "JX" on top of it. I will see if i can get my hands on an oscilloscope or a spectrum analyzer and see if i can get it figured out how to read this thing. thanks for the help andyfireman. As you can probably tell I'm just a self taught hobbyist. I wish i knew what I was doing with this stuff but when you try to get in to the field in a small hick town all they have available to be is industrial electrician courses. Im guessing that they are somewhat similar but i dont want to work in a mine or for bchydro... i just want to tinker with breadboards in my shop.
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andyfierman 1 year ago
May be something like these: [http://www.farnell.com/datasheets/95548.pdf](http://www.farnell.com/datasheets/95548.pdf)<br> <br> Does the circuit it is in still oscillate? If so can you measure the frequency with a scope or maybe find someone who has a spectrum analyser? Or could you deduce the clock frequency from anything that the PIC is doing?
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Scabab1359 1 year ago
@Scabab1359 ***a crystal resonator or an oscillator
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Scabab1359 1 year ago
Im thinking it may be a crystal oscillator but i cant find one that looks like it. and i do not know how to test it to find out its value.
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Scabab1359 1 year ago
the IC being used is a PIC16C745-I/SO
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Scabab1359 1 year ago
the three pin through hole header in the schematic and pcb layout is the component in question
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Scabab1359 1 year ago
So it turns out that the component in question only has 3 pins on it, they are connected across the bottom of it. ![schematic.png](//image.easyeda.com/pullimage/XIzyCki5c39YoZcEtd2ibAXvA9SnABLQZ4FTjx8i.png) ![pcb.png](//image.easyeda.com/pullimage/wnOG6VR1ez25Fr5iS7GADvfkpn8HFosj66mbn6j9.png) <br> What I want to do i rebuild this circuit  ([https://www\.retrousb\.com/product\_info\.php?cPath=21&products\_id=44](https://www.retrousb.com/product_info.php?cPath=21&products_id=44)) into something that will fit into my project better. I need to have a male USB A jack ([C112454](https://lcsc.com/product-detail/USB-Connectors_SOFNG-USB-05_C112454.html) - part # on LCSC.com) on it for the USB end (to plug in to a Raspberry Pi, and a 2mm 7 pin header (C225274 - part # on LCSC.com) to connect to the header found on an original Nintendo NES controller port (See Photo.) ![IMG_0469.jpg](//image.easyeda.com/pullimage/dOBpzOCBVkQnuXt128HInUblX2f98x1uFe6ZQX12.jpeg) .
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andyfierman 1 year ago
Can you draw the schematic of the circuit round it? That might help identify it's function in the PCB.
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