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Description: Do you need a lot of space? But you need it in the size of your pinky nail? microSD (uSD) is here to save the day. TransFlash has now completed standards certification and is now known as microSD. Compatible with the SPI interface found on any SD card, this tiny form factor was created for cell phone storage and is perfect for your next MP3 project! This is a high quality push-push type SMD socket.

A breakout board is available below.

Note: The default detect state of this socket is detect pin to ground.

Resources:

Datasheets:

Comments 23 comments

  • I was able to carefully solder this onto my board using a basic iron without taking the top off.

    First, I coated each pad, including the outer ones, with a little bit of solder. Then, I moved the socket over the pads, aligned it, and anchored it down by soldering the outer pads. Be sure to apply gentle pressure to the top of the socket so that it lays down flat.

    Next, I was able to poke the iron through the two little rectangular holes on the top to solder the contacts below. I would highly recommend getting an eye loupe for this so that you can see what you’re doing- SparkFun sells a nice one for $8. You don’t want to accidentally form a bridge between two pins, which luckily didn’t happen to me, but which appeared all too easy to do.

    Final tips: Be sure to keep the socket flat, as before. Also be sure to press down the contacts onto the pads as flat as possible. Otherwise, when you insert the card, a pin will scrap into the side of it and damage it.

  • Why is the card detect pin grounded on the footprint for this part?

    EDIT: never mind. I completely misread something. Ignore my question.

  • A hand solderable microSD surface mount card socket is Yamaichi PJS008-2003-0. Its eight signal pins, two card detect pins and four mounting solder tabs all extend away from the socket to be accessible. None are underneath the socket. It is a push-push type with normally open card detect switch when no card is inserted and its signal pins are located opposite from the card insertion side. The card inserts upside down when viewing the socket from the top, so it probably is meant to be mounted on the bottom of a pcb. Available from Mouser as part 945-PJS008-2003-0.

  • Hilrose looks like they have a few you can easily solder…

    http://www.mouser.com/Search/ProductDetail.aspx?R=DM3CS-SFvirtualkey99990000virtualkey798-DM3CSSF

  • Can you stencil this?

  • I’m really confused about using this part in EAGLE. In the latest library there is a part called “MICRO-SDCARD” but it only has one package available, and that is the actual card (called “MICRO-SDCARD”), not the socket on this page. I do see the package called “MICRO-SD-SOCKET-PP” in the parts library that looks like the right thing, but I can’t seem to apply it to the MicroSD device.

    • Our naming conventions are a bit odd in the SparkFun Eagle library. Both old and new sockets are located under ‘USD-SOCKET’.

  • Ok i have ordered this part from digi-key:
    http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=101-00660-68-6-1-ND
    and it is exactly same socket, and fits the model of SFE sparkfun library.
    to solder it, apply liquid flux on a board, and on the pins of the socket. then just put it, and try to put ur iron under the metal cap…simple iron can do this easily, no need for fine point or anything extra.

  • Ok here is a link to DigiKey:
    http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=101-00660-68-6-1-ND
    For some reason SparkFun doesnt indicate who is the manufacturer of the part (i didnt find it). and on digikey that part costs 1.66$ what is twice cheaper than here…
    the part looks almost same, i guess its the correct replacement. im ordering it.

    • While this is perhaps the correct footprint replacement, it should be noted that the second Card Detect pin is grounded permanently on the Digikey item. If the device actually samples this pin, it may result in the host assuming a card is present when it is not, and thus create some generally odd problems.

  • I suspect the top metal part can be taken off for soldering the pins underneath to board, can anyone confirm this?

  • SD Card Specification link is broken.

  • Does anybody know how to solder this part with just a common soldering iron (not a hot air station)? It seems pretty difficult. :-S

  • The latest version of the SFE-Eagle library has the new footprint.

  • Hey SparkFun, any chance you could send me your new protel footprint for this microSD socket? The one in the SFE-Eagle library is out of date! :-(

  • Warning: This part does not match the SparkFun Eagle Library part that references the PRT-00127.

  • one last question. How would i use this in a 5V circuit?

  • what are the yellow lines in front of the card socket in the new socket from the Sparkfun eagle library? Do they show how far the card extends? If so, which line is the right one?

  • to interface with a Teensy(or any microcontroller) via SPI, using the sdfat library, what pins should I connect to which?


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