SAE USCAR3-4

Detail information

Designation: SAE USCAR3-4

Publication date: 01/03/2022

Pages: 0

Country: American technical standard

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Anotation

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 DimensionsX
Mean Spherical CandelaX
External Visual ExaminationX
CrushX
Thermal ShockX
Bayonet Base RetentionX
Pin RemovalX
Wedge Base RetentionX
Lead Wire BendX
Lead Wire PullX
Natural Amber ColorX
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 PullX
Outgassing/Heat
Laboratory Life
Accelerated LifeX
Luminous Intensity MaintenanceX
Vibration Durability
Shock
Aged Vibration Durability

Test Schedule Table

SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard

Stabilized: Mar 2022