Everlight 95 21 series 19mm leds round subminiature square base everlight 95 21surcs530 a3tr10 this red led has a square base and round lens and has gull wing type leads that make it suitable for high density board mounting the led is suitable for a wide range of backlighting and indicator applications everlight 95 21surcs530 a3tr10 19mm smd led red 600mcd 25 20ma 35v