WH-L03U-500-S is a WANG HOUSE LED DRIVER that DIGI–KEY does not carry.
945-2934-ND from Recom Power > has been offered as a substitute.
Mfr data sheet
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. Please review the suggested part to ensure it will work for your application.