Are you looking for answers to questions you feel may have been asked before? Then FAQs is the right place to be. We have accumulated a LOT of questions over the years and hopefully that will help you get answers when you want them without waiting for someone to answer the phone. There is a lot of good info here so feel free to browse or just do a quick search. We likely have an answer to some of the questions you have.
If your looking for more of a discussion around questions you have please use the general category for that. We'd love to hear how we can improve the site so feel free to throw out comments in the Feedback category.

Linux on ARM

Welcome to the Linux on ARM discussion area. This is the place for all questions and development for the eewiki pages found here: Linux on ARM..

Tech Tips

No matter what kind of work you do there are always tips and tricks that you learn over time to help you do your job better. As Engineers and Technicians we help our customers with these tips everyday with tips that range from measuring and testing to assembly and rework suggestions. All of these and more will be found here in the TechForum Tech Tips category.

EEWiki Discussions

This is an area to ask questions that you have on our EEWiki posts. You will also find summaries links and videos associated with our EEWiki posts. Feel free to post your questions on any of the topics and our Engineers and Techs will work with the Authors to get you the information you need.


Scheme-it is an online schematic and diagramming tool that allows anyone to design and share electronic circuit diagrams. This is an area of the TechForum where you can ask questions, make comments, and share ideas about the Scheme-it tool. Posts from Digi-Key employees in the Scheme-it FAQs section will also show in this category.

Part Numbering

Many of the parts sold at Digi-Key have intricate part numbers that when broken down can tell you the parts features such as voltage, capacitance, package size or even the packaging the part comes in from the manufacturer. Here in the part numbering category you will find part breakdowns from some of our most commonly asked about parts and suffixes. If you don't see the part number you have questions please feel free to ask and we will answer as soon as possible.

Maker Tools by Mentor, a Siemens Business

This group was created for discussions on the PADS Maker tool flow by Mentor, a Siemens Business, along with the portal PartQuest.com utilizing Digi-Key's Web Services. Please feel free to let us know what you think of the software. Do you have any suggestions or would like to leave some feedback? We love to hear what our customers would like to see in the upcoming revisions!

Cross Reference

The TechForum Cross Reference category is for parts that Digi-Key does not sell or parts that have gone obsolete. Our Engineers and Techs have reviewed the specifications for these parts and made a recommendation for a replacement.


This is a place for feedback and discussions related to KiCad. The primary topic of discussion is feedback for the digikey-kicad-library of symbols and footprints found on Github, but any related discussion is welcome. Please post any issues or topics here or on the issue tracker on Github.

Site Feedback

Discussion about this site, its organization, how it works, and how we can improve it.

Part Identification

Identifying and tracking down unknown electronic components can be difficult. If you are in need of help identifying a component Digi-Key’s TechForum community is here for you. While our team of technicians and engineers are not able to identify all parts here are some pointers on what information we need to help you identify your parts: