![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)
SMD LED polarity marking: is the cathode marking standardized? - Electrical Engineering Stack Exchange
![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/g9sAi.png)
pcb design - Whats the standard for denoting the orientation of an LED on a PCB? - Electrical Engineering Stack Exchange
![Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/0/08bd47c77e21662c7adb2cb33d805613504ff520.jpg)
Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key
![200pcs Xiasongxin Light Ultra Bright 0805 Smd Led Green New Lighte 560-575nm 70-200mcd I(ma):20ma - Diodes - AliExpress 200pcs Xiasongxin Light Ultra Bright 0805 Smd Led Green New Lighte 560-575nm 70-200mcd I(ma):20ma - Diodes - AliExpress](https://ae01.alicdn.com/kf/HTB1O70EX_wKL1JjSZFgq6z6aVXad/200PCS-XIASONGXIN-LIGHT-Ultra-Bright-0805-SMD-LED-Green-new-lighte-560-575NM-70-200MCD-I.jpg)
200pcs Xiasongxin Light Ultra Bright 0805 Smd Led Green New Lighte 560-575nm 70-200mcd I(ma):20ma - Diodes - AliExpress
![Greg on Twitter: "Everyone: On SMD LEDs the green dot marks the cathode. LED manufactures: Hold my beer. https://t.co/uP7wRNt72i" / Twitter Greg on Twitter: "Everyone: On SMD LEDs the green dot marks the cathode. LED manufactures: Hold my beer. https://t.co/uP7wRNt72i" / Twitter](https://pbs.twimg.com/media/Erv5HxxVoAEK3v2.jpg)
Greg on Twitter: "Everyone: On SMD LEDs the green dot marks the cathode. LED manufactures: Hold my beer. https://t.co/uP7wRNt72i" / Twitter
![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
![Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/5/586cba8a102d781af769c6becd558a6a35733c93.jpg)