GB/Z 45268-2025Guidelines for principal component reliability testing for LED light sources and LED luminaires (English PDF)

1 Scope

This document provides a guide for reliability testing of the main components of LED light sources and LED luminaires for general lighting.

Methods for initial qualification testing and accelerated stress testing of components.

NOTE. The performance of any major component will affect the performance of the final product.

Techniques for qualifying claimed lifetime and predicting lumen maintenance are beyond the scope of this document.

The main components of the LED light source or LED lamp used for the test include the following.

---LED packaging and connectors;

---Optical materials;

---Electronic components;

--- Active (e.g. fans) and passive (e.g. thermal interface materials) cooling systems;

---Structural materials.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 2423.4 Environmental testing for electric and electronic products Part 2.Test method Test Db. Cyclic damp heat (12h 12h cycle

Ring) (GB/T 2423.4-2008, IEC 60068-2-30.2005, IDT)

GB/T 2423.5 Environmental testing Part 2.Test method Test Ea and guidance. Impact (GB/T 2423.5-2019,

IEC 60068-2-27.2008, IDT)

GB/T 2423.19 Environmental testing Part 2.Test methods Test Kc. Sulfur dioxide test for contact points and connectors (GB/T 2423.19-2013,IEC 60068-2-42.2003,IDT)

GB/T 2423.20 Environmental testing Part 2.Test methods Test Kd. Hydrogen sulfide test for contact points and connectors (GB/T 2423.20-2014,IEC 60068-2-43.2003,IDT)

GB/T 2423.51 Environmental testing Part 2.Test methods Test Ke. Flowing mixed gas corrosion test (GB/T 2423.51-2020,IEC 60068-2-60.2015,IDT)

GB/T 4208 Degrees of protection provided by enclosures (IP code) (GB/T 4208-2017, IEC 60529.2013, IDT)

GB/T 15144-2020 Performance requirements for AC and/or DC electronic control devices for tubular fluorescent lamps (IEC 60929.2015,

IDT)

GB/T 24826 Terms and definitions for LED products and related equipment for general lighting (GB/T 24826-2016, IEC 62504.

2014, IDT)

IEC 60068-2-20 Environmental testing Part 2.Test methods Test T. Solderability and resistance to soldering heat of devices with conductors

Test methods (Environmental testing-Part 2-20.Tests-Test T. Test methods for solderability and re- sistancetosolderingheatofdeviceswithleads) […]