These are part of Optosupply's high power 3mm LED range. They are rated at 36,000mcd typical at 50mA and a 30° viewing angle and are very bright for their size.
Ideal where you need an extremely bright directional light source in a small package.
Part number OSW54L3131P, datasheet is here.
This product was added to our catalog on Thursday 04 August, 2022.