SMD Top View 4040 There are 4 products.

Image	Part Number	Package	Type	Power	CCT	Typ. Dominant Wavelength	Test Current	Min. Flux	Max. Flux	Test Current	Product Actions
Image	Part Number	Package	Type	Power	CCT	Typ. Dominant Wavelength	Test Current	Min. Flux	Max. Flux	Test Current	Product Actions
Yellow Green	57-21/G6C-BN2Q1B/EE	4040	Low-Mid Power	N/A	N/A	N/A	20mA	36mcd	90mcd	20mA
Ultra Red	57-21/R7C-FR1S1B/2T	4040	Low-Mid Power	N/A	N/A	N/A	20mA	112mcd	225mcd	20mA
Yellow Green	57-21SYGC/S530-E3/TR8	4040	Low-Mid Power	N/A	N/A	573nm	20mA	32mcd	51mcd	20mA
Yellow	57-21UYC/S530-A6/TR8	4040	Low-Mid Power	N/A	N/A	589nm	20mA	50nm	N/A	20mA