Search Millions of Parts from Thousands of Suppliers

Pricing & Availability

Get real-time pricing and stock info from authorized distributors and manufacturers.

Data Sheets & Specs

View and download product data sheets and technical specifications.

Source & Purchase

Compare options from suppliers and buy direct from distributors and manufacturers.

Millions of products from authorized distributors and reliable manufacturers.

Find Opto 22 on DesignFast

Find 650+ parts from Opto 22 on DesignFast. Opto 22 was founded in 1974 by engineers who designed a better solid-state relay and chose to build it in a non-corporate, flat organization. Now, 45+ years later, they’re still privately held, lean, and run by engineers. Their flat organization fosters individual responsibility, quick response to customers’…

Read More

Welcome to DesignFast v2.1

In order to bring you the best experience using DesignFast, we are constantly working to improve. With DesignFast v2.1, we have made several updates and modifications to enhance the search functions, user interface, and back end to give you quick access to the most up-to-date information on the engineering parts and products you need. Features…

Read More

Find Smalley on DesignFast

Find 1100+ parts from Smalley on DesignFast. Smalley stocks many standard parts, ready for delivery. If a part doesn’t meet your requirements, you can work with their innovative team of over 30 industry-specialized engineers to quickly create an economical custom part in the material of your choice, all without new tooling. Prototype or production volume,…

Read More

Get the DesignFast Newsletter