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SAE USCAR3-4

SPECIFICATION FOR TESTING AUTOMOTIVE MINIATURE BULBS
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SAE USCAR3-4

SPECIFICATION FOR TESTING AUTOMOTIVE MINIATURE BULBS

PUBLISH DATE 2022
PAGES 47
SAE USCAR3-4
The procedures contained in this specification cover the laboratory testing of miniature incandescent bulbs for use in automotive illumination and signaling applications. The following tests shall be run whenever the following occurs: New bulb design Design or process change made to an existing bulb, which could affect the outcome of the test. The completion of one calendar year as noted in the following Test Schedule Table. Process control data is acceptable. Test Title Yearly Physical Dimensions X Mean Spherical Candela X External Visual Examination X Crush X Thermal Shock X Bayonet Base Retention X Pin Removal X Wedge Base Retention X Lead Wire Bend X Lead Wire Pull X Natural Amber Color X Coated Amber Color Integrated Color Visual Color Point Color Color Maintenance and Coating Durability Amber Coating Chemical Resistance X X X Resonant Frequency Aged Resonant Frequency Salt Spray Wire Loop Pull X Outgassing/Heat Laboratory Life Accelerated Life X Luminous Intensity Maintenance X Vibration Durability Shock Aged Vibration Durability Test Schedule Table
SDO SAE: SAE International
Document Number USCAR3
Publication Date March 15, 2022
Language en - English
Page Count 47
Revision Level 4
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