3mm LED Technical and Optical Specifications
Date：
2025-02-27
How To Identify LED Terminal Leads
An LED features two leads: a positive one called the Anode and a negative one known as the Cathode. Its schematic symbol resembles that of a diode, with the distinguishing feature being two outward - pointing arrows. The Anode (+) is denoted by a triangle, and the Cathode (-) is indicated by a line.
Generally, the longer lead of an LED is the positive Anode, while the shorter one is the negative Cathode.
The size of an LED is determined by its outside diameter. Among them, 3mm LEDs are the most compact, ideal for space - constrained applications. In contrast, 8mm and 10mm models are chosen when maximizing light output is a priority.
Super bright 3mm LEDs are extremely luminous, making them suitable for various projects, such as illuminations, headlamps, spotlights, car lighting, and model - making.
3mm LEDs are applicable in scenarios requiring low - power consumption, high - intensity, and reliable lighting or indication. They can be inserted into a breadboard effortlessly, enhancing the appeal of your projects.
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