Buy 5mm Diffused Dome Bright Yellow LEDs Online in South Africa
Purchase bright yellow 5mm diffused dome LEDs online at Communica. Perfect for indicator, hobby, or industrial use. Quick branch pickup and VAT invoicing available.
High-Visibility Yellow Lighting
Bright, diffused 5mm yellow LEDs for status, signals, and creative electronics projects.
Local SA Stock & Fast Pickup
Check live LED stock and collect at Samrand, Pretoria, or Cape Town branches.
Compatible with Industry & Hobby
Use in PCBs, panels, breadboards-trusted for education, repair, and workshops.
Buy 5mm Diffused Dome Bright Yellow LEDs Online in SA
5mm diffused dome bright yellow LEDs are a practical solution for status indication, control panels, signal circuits, and creative builds. Their rounded lens and diffused epoxy spread the yellow light evenly-making them highly visible and easy on the eyes in a panel or instrument cluster. At Communica, we stock a wide range of 5mm yellow LEDs, sourced from reliable global and local suppliers, with live availability at our Samrand, Pretoria, and Cape Town locations.
What Makes 5mm Diffused Dome LEDs Popular?
- Familiar through-hole 5mm size; fits standard PCB, protoboard, or chassis sockets
- Wide viewing angle thanks to diffused lens-gentle, non-blinding glow
- Bright yellow colour stands out in sunlight and indoors
- Efficient low-current indicator; typically 2-3V forward voltage
- Easy polarity identification via flat on cathode side
LED Specifications to Know
| Spec | Typical Value | SA Usage Note |
|---|---|---|
| Diameter | 5mm (T-1 3/4) | Standard breadboard/panel fitment, easy replacement |
| Lens Type | Diffused dome | Uniform yellow glow, avoids harsh points in displays |
| Forward Voltage | 2.0-2.4V | Suited for 3.3V/5V rails with series resistor |
| Max Forward Current | 20mA typical | Standard for hobby and panel indicators |
| Viewing Angle | ~60 degrees-120 degrees | Works well for wide-area and onboard signals |
Brands and Category Selection
Communica stocks 5mm yellow LEDs from trusted brands and global suppliers. Use the LEDs category or Shop by Brand for quick browsing. Popular options often include ranges from manufacturers such as Kingbright, Everlight, and Adafruit, which are well-supported in South African education and prototyping environments.
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Compatibility and Application Examples
- All standard prototyping boards (breadboards, veroboards, dev kits)
- Industrial panel retrofits (direct slot-in for 5mm indicators)
- Arduino, Raspberry Pi, and microcontroller projects (when used with a series resistor)
- STEM education kits: easy for student wiring and soldering exercises
- Automated test rigs and visual alarms (signal, machinery, model railway, robotics)
How to Connect a 5mm LED
+V (3.3V/5V) ----[Resistor]----|>|---- GND
LED
| Supply Voltage (Vcc) | Resistor Value (Ohms)* | Typical Current (mA) |
|---|---|---|
| 5V | 150-220Ω | 12-18 |
| 3.3V | 68-120Ω | 15-20 |
*Calculated using R = (Vcc - Vf) / If, with Vf = 2.1V and If ~ 15mA. Adjust as needed for your specific LED model.
Why Buy Yellow LEDs Locally from Communica?
- Live stock levels and branch pickup options in major SA cities
- VAT invoices for schools, universities, and businesses
- Convenient packs (single, 10s, 100s) for any scale-hobbyist to production
- One-stop shop for supporting resistors, PCB holders, sockets, and tools
- Responsive support for queries on compatibility and local sourcing
Lead Times, Stock, and Accessory Essentials
Most 5mm diffused dome yellow LEDs are kept as local stock at Samrand and satellite branches. Bulk orders may require short lead times, but individual and small packs are commonly available for immediate collection or fast courier. Pair with resistors, wire, and soldering kits (all available at Communica) for full project readiness.
Sources
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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