How to distinguish LED tact switch’s cathode and anode?

At first, each illuminated tact switch’s has a independent LED indicator, the LED lead will be marked with the cathode and anode, the marked color means cathode, the marked color means the relative led color, the regular color is available with red, green, blue, yellow, white and orange, what’s more, the led color is also has dual color such as red/green, red/white, red/blue and ohter more.

The illuminated LED tactile switch has multiple size options, the actuation force has alternative of 180gf and 250gf options, LED-illuminated tactile push button switch features click and audible feedback, long service life expectancy and actuation force.

The led of illuminated tactile button is micro current, the max voltage is 5V and different color has relative voltage.

When you assemble the illuminated tactile button onto the PCB board, you need to consider the conditions and voltage and other more factors.

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