Annotation of standard text 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 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 