SMD LED has many types,which are produced in a variety of shapes and sizes,the most common types of LEDs are: 2835, 3528, 3020, 3030, 3535, 3014, 4014, 5050, 5060, 5730. The number indicate the chip size, for example, 2835 is for the chip size 2.8×3.5 mm (millimeters)
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