5. Reliability
5-1. Reliability Test
Test Item
Test Condition
IF =450mA , Tc=85C
Continuous Operation Test
Low Temperature Storage Test
High Temperature Storage Test
Moisture-proof Test
Ta = -40 C × 1000 hours
Ta = 100 C × 1000 hours
Tc=85C, 95 %RH for 500 hours
-30 C × 30 minutes – 85 C × 30 minutes, 100 cycle
Thermal Shock Test
5-2. Failure Criteria
( Tc=25C )
Measuring Item
Power Dissipation
Total Luminous Flux
Symbol
VF
Measuring Condition
IF =450mA
Failure Criteria
>U × 1.2
<S × 0.8
Φv
IF =450mA
U defines the upper limit of the specified characteristics. S defines the initial value.
Note : Measurement shall be taken between 2 hours and 24 hours, and the test pieces should be
return to the normal ambient conditions after the completion of each test.
9
Ref.CE-P3412 04/16
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