5mm RGB Common Cathode LED Diodes 100/200PCS – Tri-Color

HVIERO 5mm RGB Common Cathode LED Diodes – Ultra Bright Tri-Color Bulbs

Upgrade your DIY electronics and décor projects with these ultra-bright 5mm RGB Common Cathode LED diodes from HVIERO. Featuring a transparent water-clear lens and a classic 4-pin design, these tri-color LEDs deliver vivid red, green, and blue output in one compact 5mm bulb — perfect for everything from holiday lighting and ambient atmosphere setups to professional signage and custom circuit builds.

Key Features

• 4-Pin RGB Design: One cathode shared across all three color channels — easy to wire and control in common-cathode circuits.
• Ultra Bright Output: 100 lm luminous flux with a focused 30° luminous angle for directed, vivid color.
• Water Clear Lens: Transparent diffused construction maximizes color visibility and provides a clean, modern aesthetic.
• Low Power Consumption: Operates at just 0.1W per LED with a working current of 20mA — energy-efficient for large installations.
• Wide Voltage Range: Rated 2–3.4V, compatible with most standard microcontrollers including Arduino and Raspberry Pi projects.
• Bulk Value Packs: Available in 100 or 200-piece sets — ideal for large-scale decoration or stock replenishment.
• CCC Certified: Meets Chinese Compulsory Certification standards for quality and safety.

Technical Specifications

Applications

• DIY electronics & Arduino/microcontroller projects
• Ambient atmosphere and mood lighting
• Holiday and seasonal decorations
• Advertising signs and LED billboards
• Building and architectural accent lighting
• Neon-style LED sign builds
• Custom decorative light panels and arrays

Usage Tips

• Do not exceed the recommended voltage (3.4V max) to avoid damaging the diode.
• Ensure proper heat dissipation in high-density installations.
• Always install according to your specific circuit's common-cathode requirements.
• Handle gently — the leads can bend; use pliers carefully when forming leads for PCB mounting.

Package Includes

100 or 200 PCS × 5mm 4-Pin Transparent RGB LED Diodes (Common Cathode)

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For guidance on safe LED wiring and electrical component standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Light-emitting diode

Frequently Asked Questions

Q: What is the difference between a common cathode and common anode RGB LED?

A: In a common cathode RGB LED, all three color cathodes share one ground pin, and each color (R, G, B) is controlled by applying a positive voltage to its respective anode pin. In a common anode LED, all anodes share a positive voltage rail. These 5mm LEDs use the common cathode configuration, making them ideal for use with microcontrollers like Arduino that source voltage to individual pins.

Q: Can I use these 5mm RGB LEDs with an Arduino or Raspberry Pi?

A: Yes! These LEDs operate at 2–3.4V with a 20mA working current, which is fully compatible with Arduino and Raspberry Pi GPIO outputs. Simply use a current-limiting resistor (typically 100–220Ω per channel) in series with each color pin to protect both the LED and your microcontroller.

Q: Are these suitable for outdoor decorative lighting projects?

A: These LEDs are primarily designed for DIY, indoor signage, and ambient decoration. For outdoor use, ensure the LEDs are enclosed in a weatherproof housing to protect them from moisture and direct exposure to the elements.

Q: How many LEDs are included in each pack?

A: Packs are available in 100-piece and 200-piece quantities, giving you great value for bulk DIY builds, decoration arrays, or stock replenishment.