![Light-emitting diode and circuit symbol, illustration - Stock Image - C050/8150 - Science Photo Library Light-emitting diode and circuit symbol, illustration - Stock Image - C050/8150 - Science Photo Library](https://media.sciencephoto.com/c0/50/81/50/c0508150-800px-wm.jpg)
Light-emitting diode and circuit symbol, illustration - Stock Image - C050/8150 - Science Photo Library
![Amazon.com: CHANZON 100 pcs 3mm Red & Green Diffused LED Diode Lights Common Cathode(Frosted Round Bicolor) Bright Lighting Bulb Lamps Electronics Components Indicator Light Emitting Diodes : Industrial & Scientific Amazon.com: CHANZON 100 pcs 3mm Red & Green Diffused LED Diode Lights Common Cathode(Frosted Round Bicolor) Bright Lighting Bulb Lamps Electronics Components Indicator Light Emitting Diodes : Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/W/MEDIAX_792452-T2/images/I/61tH1KZBiiL._AC_UL600_SR600,600_.jpg)
Amazon.com: CHANZON 100 pcs 3mm Red & Green Diffused LED Diode Lights Common Cathode(Frosted Round Bicolor) Bright Lighting Bulb Lamps Electronics Components Indicator Light Emitting Diodes : Industrial & Scientific
![SMD LED polarity marking: is the cathode marking standardized? - Electrical Engineering Stack Exchange SMD LED polarity marking: is the cathode marking standardized? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/1TP3Z.gif)