![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
![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)
Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key
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Determining LED Polarity - Optoelectronics - Engineering and Component Solution Forum - TechForum │ Digi-Key
![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
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Amazon.com: PLCC-4 SMD Pure Green - Ultra Bright 1210/3528 LED (Pack of 10) : Industrial & Scientific
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200piece/lot FOR repair Samsung LCD TV LED backlight Article lamp SMD LEDs Side shine 3V 7032 Cold white light emitting diode|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/Erv6RR5VgAEpg0t.jpg)