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SPECIFICATIONS
6. Reliability
(1) Details of the tests
Test Item
Test Condition
Ta=-25 C, IF=480 mA× 1000 hours(with Al-fin)
Ta=50 C,IF=480 mA× 1000 hours(with Al-fin)
-40 C × 1000 hours
Continuous Operation Test
Low Temperature Storage Test
High Temperature Storage Test
Moisture-proof Test
100 C × 1000 hours
60 C, 90 %RH for 1000 hours
Thermal Shock Test
-40 C × 30 minutes – 100 C × 30 minutes, 100 cycle
(2) Judgment Criteria of Failure for Reliability Test
(Ta=25 C)
Measuring Item
Measuring Condition
Judgment Criteria for Failure
Symbol
VF
IF=720mA
Forward Voltage
> U × 1.1
< S × 0.85
Total Luminous Flux
IF=720mA
Φv
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
returned to the normal ambient conditions after the completion of each test.
Similar product's reliability test results will be used for CL-L233-MC13N1-C.
Approved
Checked Drawn
Symbol
Name
CITILED
CL-L233-MC13N1-C
K.Funakubo
2010/3/5
S.Imai
H.Matsuura
2010/3/5
2010/3/5
Drawing No
AD3E-604-01
Issue of first edition
Description Appro.
-
2010/3/5
CITIZEN ELECTRONICS CO.,LTD.
Ref.CE-P630 03/10
Mark Date
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
