304UYD are the most common type of yellow LED in our factory. When we check the 304 number in the part number of LED, we will know that's a 3mm through-hole LED with round top. And with "UYD", we will be able to know that's a yellow LED with light yellow diffused lens. During the production, we use the Epistar chip and high quality epoxy lens to produce this LED lamps. So that this LED will be able to offer the best stable lighting performance, which is perfect for some LED indicator project, lighting project ect. 590nm LED or 595nm LED chip inside will help this 304UYD get a yellow color(or name as amber LED color). If you need some 590nm LED for your project. This one won't let you down. 

-Dimension Parameters -  

 *1. All dimensions are in millimeters ; 2. Tolerance is ± 0.20 mm unless otherwise noted.

These case are also available for Blue Through-hole LED, Red Through-hole LED, UV LED, IR LED, Amber LED, Yellow LED etc.

- Emitting Color -

*Colors in the photo was took by camera, please take actual emitting color as standard. 

- Electrical Parameters -