6/9
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=480mA
Forward Voltage
> U × 1.1
< S × 0.85
Total Luminous Flux
IF=480mA
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.
CL-L251-MC4L reliability test results will be used for CL-L251-MC6L1-C.
Approved
Checked Drawn
Symbol
Name
CITILED
CL-L251-MC6L1-C
Drawing No
Issue of first edition
Description Appro.
-
2010/3/1
CITIZEN ELECTRONICS CO.,LTD.
Mark Date
Ref.CE-P618 03/10
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
