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LED light characteristics

It can be approximately considered that IF is proportional to VF. See the table for the electrical characteristics of the current major ultra bright leds. According to the table, the highest IF of the current ultra-bright LED can reach 1A, while the VF is usually 2 ~ 4V. Since LED light characteristics are usually described as a function of current, rather than voltage.

Blue 8x8 Dot Matrix Display LED 3.7mm Diameter 1.5 inch Common Anode
Green 7 Segment LED Display 0.52 inch Four Digit 4 7-seg CC CA
Green 7 Segment LED Display 0.36 inch Three Digit 3 7-seg CC CA
Yellow LED Seven Segment Display 0.28" Three Digit 3 Common Cathode CC
5x7 Yellow Green LED Dot Matrix 1.9mm Diameter 0.7" Display CC Cathode
White 7seg Display Seven Segment LED 0.6 inch 0.60" 1 Digit Single CA CC
Yellow Green 5x7 LED Dot Matrix 3mm Diameter 1.54" 1.25" 1.1" Display CC Cathode
Yellow Green LED 7 Segment 0.33 inch 4 Digit Four Display Common Cathode CC
Blue 7 Segment Display LED 7-Segment 0.52" 3-Digit Three Common Anode CA
Red Ultra Bright LED 7 Segment Display 0.39 inch Dual Digit Common Anode CA