QC/T 1038-2016Light-emitting diodes (LED) and modules for automobiles (English PDF)
汽车用发光二极管(LED)及模组
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 5, 2016
Implementation date
September 1, 2016
Scope
QC/T 1038-2016 is the English-translated version of 汽车用发光二极管(LED)及模组.
QC/T 1038-2016 is the Chinese automotive industry standard for light-emitting diodes and LED modules used on motor vehicles.
It sets technical requirements, test methods, inspection rules, marking, packaging, transport and storage, and defines the LED and the bin into which LEDs with similar optical, chromaticity and electrical characteristics are grouped.
Module requirements include resistance to reverse supply voltage and superimposed AC voltage, behaviour under slowly falling and rising supply voltage and reset after voltage dips.
Thermal limits follow, with LED thermal resistance of no more than 30 °C/W and module light decay of no more than 15%, along with EMC performance. It applies to LEDs and modules fitted to category M, N and O vehicles, and other vehicles may refer to it. Issued on 5 April 2016, it has applied since 1 September 2016.
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Document preview — QC/T 1038-2016
National Standard of the People's Republic of China
- Classification
- T 20
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
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 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
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 18655-2010Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
- GB/T 21437.2Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
- GB/T 24824-2009Measurement methods of LED modules for general lighting
- GB/T 28046.1-2011Road vehicles -- Environmental conditions and testing for electrical and electronic equipment -- Part 1: General
- GB/T 2Fasteners -- Ends of parts with external thread
- QC/T 238-1997Storage and preservation of automotive parts
GB/T 2423.32.2008 · GB/T 4785 · GB/T 28046.2.2011
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Related Standards
GB/T 2-2016 — Fasteners -- Ends of parts with external thread
GB/T 21437.2-2021 — Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 24824-2009 — Measurement methods of LED modules for general lighting
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