"The first stop for all your RF/Microwave connectivity needs!"


Founded in 1985 by Kimberly Rohde, First Source is family run business that acts as a manufacturer's representative and stocking distributor, specializing in RF, Microwave, Lightwave and Millimeterwave components. First Source is a nationally certified, small business, registered with the Department of Defense and listed on the CCR database, (Duns #173800087).


ISO 9001:2015 and AS9120B Certified


If you're looking for **Small - Large** orders of Microwave and RF Components then you're in the right place! 

Not only can we place custom orders for you, we also stock thousands of parts on-site at our warehouse.

This allows us the unique ability of selling them to you in smaller quantities for better prices!

Plus, we can ship them to you quickly and efficiently to help meet your project deadlines.


We provide RF, Microwave, Millimeterwave, and High Frequency

Components for the Aerospace and Defense Industries, including:


Have Questions About A New Or Existing Order?


Call our team at +1-(208)-773-4275

Monday-Friday between 9am-4pm PST!


JFW Industries - Sunday, November 7, 2021
First Source is pleased to add JFW Industries to our line card.
First Source August 2021 Newsletter - Sunday, August 29, 2021
Welcome to our first newsletter, the August 2021 edition! Being a certified small business, we wanted to take a more personal approach to keep you informed of new offerings and items that may be of interest.