footprint of EMV Chip (smart chip or SIM)
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mp 4 days ago
Hi, Have been searching for footprint of smart card chip couldn't find the right footprint , thought of creating manually but dimension wise its not that perfect. So, Please help in finding it. Thanks
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andyfierman 4 days ago
"EMV Chip (smart chip or SIM)" Not enough of a description. Find and post a link to a datasheet or some other info that helps identify the device you are asking about.
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mp 4 days ago
the image below might help -micro sim or smart card chip, the one in gold . ![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/SIM-Karte_von_Telef%C3%B3nica_O2_Europe_-_Standard_und_Micro.jpg/1024px-SIM-Karte_von_Telef%C3%B3nica_O2_Europe_-_Standard_und_Micro.jpg)
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andyfierman 4 days ago
Are you looking for a socket for a micro-sim card? You don't have to just search the EasyEDA library: you can search LCSC.com and then use the LCSC part number ot find it in the EasyEDA library or if it is already set up to link directly to the symbol and footprint to add to your personal workplace Favourites. For example, try searching LCSC.com for: micro sim card which will get you to: [https://lcsc.com/products/Card-Sockets-Connectors_637.html?q=micro%20sim%20card](https://lcsc.com/products/Card-Sockets-Connectors_637.html?q=micro%20sim%20card) Select a part then either find it in the EasyEDA library using the LCSC part code or the link to the EasyEDA Libraries.
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mp 3 days ago
Actually looking for micro sim itself not the connector. That is why i add(attached) image of sim in previous comment.
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andyfierman 3 days ago
Not sure I understand your requirements. Do you want to make a PCB or an area on a PCB, in the shape of and with the contact arrangement of a micro-sim card? You need to note that although the function of the contact pads are the same for all sim cards, the shapes can vary widely. However, a central area for each contact pad is specified (it has to be otherwise contacts could not be made compatible across all phones and all sim variants). This means that you do not have to reproduce a given set of pad shapes: you only have to provide a set of pads that meet the specifications. The dimensions, including the mandatory pad areas, for the so called micro sim (a.k.a. 3FF and officially as the Mini-UICC) are given in Figure 4.2 on page 20 here: [http://www\.etsi\.org/deliver/etsi\_ts/102200\_102299/102221/11\.00\.00\_60/ts\_102221v110000p\.pdf](http://www.etsi.org/deliver/etsi_ts/102200_102299/102221/11.00.00_60/ts_102221v110000p.pdf) I think you will be better off designing your Footprint directly from there instead of hoping someone has already done something and put it in the library. Besides which you would have to check such a ready made Footprint against the ETSI spec anyway to be sure it was fit for purpose.
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andyfierman 3 days ago
Try looking in PCB Modules: ![image.png](//image.easyeda.com/pullimage/l2dEUgbBe0CxDKhNO3xsdSEuqwPQs0OWnR8xb2jd.png)
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andyfierman 3 days ago
Just had a look at your public project. If you are trying to make something in a smart card form factor then you might need to look at Fig 4.1 in: [https://www\.etsi\.org/deliver/etsi\_ts/102200\_102299/102221/11\.00\.00\_60/ts\_102221v110000p\.pdf](https://www.etsi.org/deliver/etsi_ts/102200_102299/102221/11.00.00_60/ts_102221v110000p.pdf)
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