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Nanjing Gaoqiao Traffic Technology Co., Ltd
NJGQ has 17 years history in traffic light design and making since 2006, we also have partnered with Siemens (China) since 2016.Our focus and advantages are: traffic light & traffic light controller, whether it is normal power or solar power, portable or mobile, normal or solar warning traffic light, all kinds of traffic signal board, as well as light poles
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Why Most Traffic Lights Use DIP LED Beads
date:2026-03-23 13:46:25
Traffic lights keep roads safe, and DIP LED beads are the top choice for global traffic signals, cities and engineering projects. This guide explains why DIP LED is better than SMD LED and traditional lamps.
What Are DIP LED Beads?
DIP (Dual In-line Package) LEDs are through-hole diodes, mainly 5mm, 8mm, 10mm for red/yellow/green traffic lights. Stable structure, high efficiency and weather resistance make them perfect for outdoor signals.
6 Key Advantages of DIP LED for Traffic Lights
1. Better Visibility & Sunlight Readability
DIP LED is bright and penetrates rain, fog and strong sunlight. It keeps clear, stable signal colors at long distance.
2. Longer Life & Lower Maintenance
DIP LED works 50,000–80,000 hours (5–10 years). It reduces replacement, labor costs and road closures.
3. Tough & Weatherproof
It resists high/low temperature, vibration, moisture and UV. With IP65 protection, it works reliably outdoors.
4. Good Heat Dissipation
The through-hole design cools effectively, avoiding dimness and color shift. Brightness stays stable for years.
5. Energy Saving & Eco-friendly
DIP LED saves up to 80% energy than old lamps. It cuts power use and supports green cities.
6. Easy to Install & Cost-Effective
Standard design fits old and new modules. Simple assembly lowers production time. Stable quality and low cost fit large projects.
DIP LED vs SMD LED
- DIP LED: stronger UV resistance, better cooling, longer life, ideal outdoors
- SMD LED: thinner but less durable for traffic signals
Applications
- Intersections & crosswalk lights
- Highway & tunnel signals
- Railway & port warning lights
- Smart countdown & VMS signs
Choose Reliable DIP LED for Traffic Lights
Look for: standard wavelength, high brightness, anti-UV, anti-flicker, certifications and stable supply.
Conclusion
DIP LED beads are the best solution for traffic signals: safe, durable, efficient and economical. They support smart and sustainable transportation.
Contact us for quality DIP LED, custom solutions and bulk prices. Build safer roads with professional LEDs.
Always On Your Way, Always Protect You! Top Chinese Traffic Light Manufacturer: NJGQ
ur focus and advantages are: traffic light & traffic light controller, whether it is normal power or solar power, portable or mobile, normal or solar warning traffic light, all kinds of traffic signal board, as well as light poles.