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Package for SMD modules [message #156232] Thu, 10 July 2014 10:14 Go to next message
messages@element14.co
Messages: 380
Registered: March 2013
Senior Member
Hi, how do you integrate undocumented SMD module packages from china? For example a SMD module for the NRF24L01+ chip.Most of the time there is no more info except some images! http://www.aliexpress.com/item/3pcs-NRF24L01-SMD-1-27MM-wireless-module-Small-Size-free-shipping/591063014.html or Aliexpress.com : Buy STC12C5616AD 35I LQFP32 5PCS/LOT New and Original In stock Best price and good service from… Do you place pads from the "solpad.lbr" to you schematic & pcb and align them via the grid?The are small notes in the images like '1.27mm' and '0.9mm'. Is there a device or ulp for such a pad row? Or do you create a custom device with package and symbol? Which device do you use as start template for such a module? I'm looking forward to read your typical approaches! Best,MichaelOriginal article at http://www.element14.com/community/message/119917?tstart=0#119917.

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Re: Package for SMD modules [message #156236 is a reply to message #156232] Thu, 10 July 2014 12:22 Go to previous message
messages@element14.co
Messages: 380
Registered: March 2013
Senior Member
It's very simple - I wouldn't use a part if I couldn't get reasonable documentation. If the supplier of a module like this can't provide a proper mechanical drawing, schematic. performance specs and CE/FCC certification then buy from someone else. MKOriginal article at http://www.element14.com/community/message/119951?tstart=0#119951.

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