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SPECIFICATIONS
6. Reliability
(1)Details of the tests
Test Item
Room Temperature
Test Condition
Ta=25℃,IF=720mA(Tj=72℃)×1000 hours
Operating Life Test
High Temperature
(with Al-fin)
Ta=50℃,IF=720mA(Tj=94℃)×1000 hours
Operating Life Test
(with Al-fin)
Low Temperature
-30℃× 1000 hours
Storage Test
High Temperature
Storage Test
100℃× 1000 hours
60±2℃, 90±5%RH for 1000 hours
Moisture proof Test
Thermal Shock Test
-30℃×30minutes - 100℃× 30minutes,100 cycle
(2)Judgment Criteria of Failure for Reliability Test
(Ta=25℃)
Measuring Item
Symbol Measuring Condition Judgment Criteria for Failure
Forward Voltage
Total Luminous Flux
VF
ΦV
IF=720mA
IF=720mA
>U×1.1
<S×0.85
U defines the upper limit of the specified characteristics.S defines the initial value.
Note1: Measurement shall be taken between 2 hours and 24 hours, and the test pieces should be
returned to the normal ambient conditions after the completion of each test.
Note2: CL-L221-C14L-B reliability test results will be used for CL-L233-C13N1.
Approved Checked Drawn
Symbol
Name
CITILED
CL-L233-MC13L1
Drawing No
New implementation
Description Appro.
Apr.20.'09
Date
-
Mark
CITIZEN ELECTRONICS CO.,LTD.
Ref.CE-P412 03/09
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
