![pcb design - Whats the standard for denoting the orientation of an LED on a PCB? - Electrical Engineering Stack Exchange pcb design - Whats the standard for denoting the orientation of an LED on a PCB? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/9ofNo.png)
pcb design - Whats the standard for denoting the orientation of an LED on a PCB? - Electrical Engineering Stack Exchange
![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)
SMD LED polarity marking: is the cathode marking standardized? - Electrical Engineering Stack Exchange
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100PCS 0603 RED SMD LED Reversed polarity 620 625NM 1.6*0.8mm 200 300mcd 1.8 2.0v 20mA Free shipping|Light Beads| - AliExpress
![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/Vk9wY.png)