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为何选择我们
南京高侨交通科技有限公司
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
Regular SMD vs 5MM LED for Traffic Signals: Differences, Pros & Cons
date:2026-04-02 16:36:11
Comparing SMD and 5mm LED signal designs
Use equivalent finished products
SMD describes a surface-mounted component arrangement, while a 5mm LED description commonly refers to a component package size. Neither term defines a complete traffic-signal specification. Compare finished modules or heads that provide the same required indication, lens size and electrical interface.
Ask the supplier to identify what differs between the offered designs: the optical layout, driver, dimensions, mounting arrangement or service parts. A component-level power figure should not be used as the input power of a complete signal. Similarly, an LED package name does not establish compatibility with an existing controller or a particular type of traffic-management system.
Evaluate documented performance and support
Request the model-specific data and the evidence needed by the project. Keep measurements and comparisons tied to their operating conditions. Avoid assuming universal lifetime ranges, manufacturing costs or installation savings from the package type alone.
For maintenance, identify the replaceable module and any driver or connector that must be matched to it. Ask about spare-part availability and the information needed for a repeat order. A proposed retrofit should be checked against the installed assembly’s dimensions, supply and wiring before a batch is purchased.
Create a clear comparison sheet
Record the product model, drawing revision, indication, input supply, relevant performance data and included accessories for each option. List any outstanding evidence or compatibility question alongside the price. This makes technical differences visible before a purchasing decision is made.
For a GAOQIAO enquiry, send the existing equipment reference or proposed drawing together with the quantity and destination. Use the project’s requirements to select a documented assembly rather than assigning every new project to SMD or every replacement project to 5mm LEDs.
始终与你同行，始终守护你！中国领先交通信号灯制造商：NJGQ
我们的重点与优势包括：交通信号灯及控制机，涵盖常规供电或太阳能供电、便携式或移动式产品、普通或太阳能警示灯、各类交通信号指示板以及灯杆。
相关指南：LED技术
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