5MM Yellow LED Indicator Light | 3V Status Signal Lamp with 20CM Leads (Pack of 5)

Description

This 5MM Yellow LED Indicator is an efficient, reliable solution for low-voltage signaling and status monitoring in electronic circuits. Designed for operation at a 3V standard, it integrates perfectly with microcontrollers, battery-powered systems, and various DIY electronics projects. Its 5MM form factor provides excellent visibility, making it ideal for front-panel indicators or status alerts on electronic devices.

LEDs function as semiconductor devices that convert electrical current directly into light, offering superior energy efficiency compared to traditional filament bulbs. This specific model includes pre-soldered 20CM leads, enabling rapid “plug-and-play” installation. To ensure these LEDs function reliably without risk of failure, it is important to understand the basics of circuit protection using current-limiting components.

The following diagram illustrates how to correctly incorporate a resistor into your circuit to protect the LED from excessive current when connected to a power source:

Applications

• Status/activity indication for 3V DC battery-powered devices
• Prototyping with Arduino, Raspberry Pi, or other development platforms
• Front-panel diagnostic alerts for electronic instrumentation
• Hobbyist project indicators and custom lighting displays
• Visual feedback for portable electronics

Features

• Optimal Voltage: Tailored for 3V logic and standard coin-cell or battery-powered applications.
• High Visibility: 5MM lens diameter provides a wider, more noticeable beam compared to 3MM alternatives.
• Ease of Use: Pre-attached 20CM cables eliminate the need for manual soldering, ensuring a secure connection.
• Efficiency: Direct-conversion lighting technology reduces heat and power waste.

Package Includes

• 5 x 5MM Yellow LED Indicator Lamps (with 20CM leads)

Specifications