5. Reliability
5-1. Reliability Test
Test Item
Test Condition
Vop = 230 V[RMS]ꢀ Ta=25C ×1000 hours
Vop= 230 V[RMS] ꢀTj=150C × 1000 hours
Ta=-40 C × 1000 hours
Continuous Operation Test
Low Temperature Storage Test
High Temperature Storage Test
Moisture-proof Test
Ta=100 C × 1000 hours
Ta=60 C , 95% RH × 500 hours
Thermal Shock Test
-30 C × 30 minutes – 85 C × 30 minutes , 100cycle
5-2. Failure Criteria
( Tc=25C )
Measuring Item
Forward Voltage
Symbol
Vf
Measuring Condition
Vop = 230 V[RMS]
Vop = 230 V[RMS]
Failure Criteria
>U × 1.2
Total Luminous Flux
Φv
<S × 0.8
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-P3410 12/04
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