QC/T 1038-2016 (QCT 1038-2016)

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QC/T 1038-2016	English	419	Add to Cart	4 days	Light-emitting diodes (LED) and modules for automotive	QC/T 1038-2016	Valid	QC/T 1038-2016

QC/T 1038-2016
Light-emitting diodes (LED) and modules for automotive
QC/T 1038.2016
Automotive light emitting diodes (LEDs) and modules
1 Scope
This standard specifies requirements for automotive light-emitting diodes (LEDs) and LED modules, test methods, inspection rules and signs, packaging,
Transportation and storage.
This standard applies to LEDs and modules used in M, N, and O vehicles. Other vehicles can refer to this standard.
2 Normative references
The following documents are essential for the application of this standard. For dated references, only the dated version applies
This standard. For undated references, the latest version (including all amendments) is applicable to this standard.
DB/T 2423.28-2005 Environmental testing of electronic products Part 2. Test methods Test T. Soldering
GB/T 2423.32.2008 Environmental test for electric and electronic products. Part 2. Test methods Test Ta. Wetting weighing method Solderability
GB/T 4785 Installation regulations for external lighting and light signal devices of automobiles and trailers
GB/T 18655-2010 Limits and measurement methods for radio disturbance characteristics of vehicles, ships and internal combustion engines to protect on-board receiver
GB/T 21437.2 2UOS Electrical disturbances caused by conduction and coupling on road vehicles Part 2. Electrical transient conduction along power lines
GB/T 24824-2009 Test methods for LED modules for general lighting
GB/T 28046.1-2011 Environmental conditions and tests for electrical and electronic equipment of road vehicles Part 1. General requirements
GB/T 28046.2.2011 Environmental conditions and tests for electrical and electronic equipment of road vehicles Part 2. Electrical loads
GB/T 2S046.3.2011 Environmental conditions and tests for electrical and electronic equipment of road vehicles Part 3. Mechanical load
GB/T 2S046.4-2011 Environmental conditions and tests for electrical and electronic equipment of road vehicles Part 4. Climate load
QC/T 238-1997 Storage and storage of automobile parts
SJ/T 11394-2009 Semiconductor light emitting diode test method
3 terms and definitions
The terms and definitions defined in the above normative references and the following terms and definitions apply to this standard.
3.1
Light emitting diode (LED)
Pn junction solid-state device capable of emitting light when excited by forward current
3.2
Group bin
LEDs with similar parameters such as light characteristics, chromaticity characteristics, and electrical characteristics are classified into one category.
4.4.5 LED module resistance to reverse power supply performance.
The LED module shall meet the requirements of 4.4.3 after the power reverse test, and its appearance shall not be abnormal.
4.4.6 LED module resistance to superimposed AC voltage performance.
During the resistance of the LED module to superimposed AC voltage, the continuously lit LED should not have flicker. After the test, it should meet the requirements of 4.4.3.
4.4.7 The LED module can withstand the slowly falling and rising performance of the power supply voltage.
During engine operation, the LED module should meet the requirements of 4.4.3; when the engine is started or turned off, the
The LED may not be on, but it should be on when the engine returns to normal.
4.4.8 LED module reset function after withstand voltage drop.
The LED may not light during the LED button test. After the test, the LED module shall meet the requirements of 4.4.3.
4.5 Thermal performance
4.5.1 LED thermal resistance.
LED thermal resistance should not be greater than 30 ° C/W.
4.5.2 LED module light decay rate.
The light decay rate of the LED module should not be greater than 15%.
4.6 EMC performance