![Determining LED Polarity - Optoelectronics - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key Determining LED Polarity - Optoelectronics - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/c/c0f758aaf664d0c22c9efee40a4408508cc409e6.jpg)
Determining LED Polarity - Optoelectronics - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![100PCS, 0603 RED SMD LED, ( Reversed Polarity ) 620-625NM, 200-300mcd, 1.8-2.0v, 20mA, 1.6*0.8mm 1608 - AliExpress 100PCS, 0603 RED SMD LED, ( Reversed Polarity ) 620-625NM, 200-300mcd, 1.8-2.0v, 20mA, 1.6*0.8mm 1608 - AliExpress](https://ae01.alicdn.com/kf/Hebd066ac12894371b503f0206676519cS.jpg_640x640Q90.jpg_.webp)
100PCS, 0603 RED SMD LED, ( Reversed Polarity ) 620-625NM, 200-300mcd, 1.8-2.0v, 20mA, 1.6*0.8mm 1608 - 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)
SMD LED polarity marking: is the cathode marking standardized? - Electrical Engineering Stack Exchange
![100pcs 2835 0.2w Smd Led Red Yellow (reverse Polarity) Amber Blue Green Pink Ice-blue Orange 60ma - Light Beads - AliExpress 100pcs 2835 0.2w Smd Led Red Yellow (reverse Polarity) Amber Blue Green Pink Ice-blue Orange 60ma - Light Beads - AliExpress](https://ae01.alicdn.com/kf/HTB1oATjaULrK1Rjy1zbq6AenFXat.jpg_640x640q90.jpg)
100pcs 2835 0.2w Smd Led Red Yellow (reverse Polarity) Amber Blue Green Pink Ice-blue Orange 60ma - Light Beads - AliExpress
![Amazon.com: Oznium 20 pieces of PLCC-2 Surface Mount LEDs, 3528 Size SMD SMT LED - Cool White : Industrial & Scientific Amazon.com: Oznium 20 pieces of PLCC-2 Surface Mount LEDs, 3528 Size SMD SMT LED - Cool White : Industrial & Scientific](https://m.media-amazon.com/images/S/aplus-media-library-service-media/d249439c-2512-4295-98d9-fb6a0cbcc985.__CR96,0,3308,2046_PT0_SX970_V1___.jpg)
Amazon.com: Oznium 20 pieces of PLCC-2 Surface Mount LEDs, 3528 Size SMD SMT LED - Cool White : Industrial & Scientific
![Are polarity markers always at pin 1 (lowest pin number) or can there be cases where they mark some other pin? - Footprints - KiCad.info Forums Are polarity markers always at pin 1 (lowest pin number) or can there be cases where they mark some other pin? - Footprints - KiCad.info Forums](https://kicad-info.s3.dualstack.us-west-2.amazonaws.com/original/3X/a/0/a05dc7a2ca7656caa79956667f7facc6e7d68951.png)
Are polarity markers always at pin 1 (lowest pin number) or can there be cases where they mark some other pin? - Footprints - KiCad.info Forums
![1206 Single Color Blue SMD LED Diode with RoHS (3216) - China SMD LED Diode 1206, Chip LED Diode 1206 | Made-in-China.com 1206 Single Color Blue SMD LED Diode with RoHS (3216) - China SMD LED Diode 1206, Chip LED Diode 1206 | Made-in-China.com](https://image.made-in-china.com/202f0j00IJqaDPmRnnzc/1206-Single-Color-Blue-SMD-LED-Diode-with-RoHS-3216-.webp)
1206 Single Color Blue SMD LED Diode with RoHS (3216) - China SMD LED Diode 1206, Chip LED Diode 1206 | Made-in-China.com
![Buy Wholesale China Blue 0805 Smd Led Lamp With 0.8mm Thickness View Angle 130℃, 2.0*1.25*0.8mm 0805 Chip Led & Led Lamp,0805 Chip Led,blue 0805 Smd Led at USD 0.001 | Global Sources Buy Wholesale China Blue 0805 Smd Led Lamp With 0.8mm Thickness View Angle 130℃, 2.0*1.25*0.8mm 0805 Chip Led & Led Lamp,0805 Chip Led,blue 0805 Smd Led at USD 0.001 | Global Sources](https://p.globalsources.com/IMAGES/PDT/B5194580771/Led-Lamp-0805-Chip-LED-Blue-0805-SMD-Led.jpg)
Buy Wholesale China Blue 0805 Smd Led Lamp With 0.8mm Thickness View Angle 130℃, 2.0*1.25*0.8mm 0805 Chip Led & Led Lamp,0805 Chip Led,blue 0805 Smd Led at USD 0.001 | Global Sources
![Determining LED Polarity - Optoelectronics - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key Determining LED Polarity - Optoelectronics - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/0/08bd47c77e21662c7adb2cb33d805613504ff520.jpg)
Determining LED Polarity - Optoelectronics - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![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)