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DATA SHEET
6.Reliability
(1) Details of the tests
Test Item
Test Condition
Life Test in Continuous Operation
Low Temperature Storage Test
High Temperature Storage Test
Moisture-proof Test
Ta=25 C, IF=60 mA × 1000 hours
Ta=-40 C × 1000 hours
Ta=100 C × 1000 hours
Ta=60 C, 90 ꢀRH for 1000 hours
Ta=-40 C × 30 minutes and Ta=100 C × 30 minutes,
100cycle
Thermal Shock Test
Recommended temperature profile (reflow soldering)× 2,
(2nd test must be started after the samples are
stabilized thermally.)
Solder Heat Resistance Test
(2) Judgment Criteria of Failure for Reliability Test
Measuring Item
Forward Voltage
Luminous Intensity
Measuring Conditon
Judgement Criteria for Failure
Symbol
VF
IF=60mA
> U×1.2
< S×0.7
IV
IF=60mA
U means the upper limit of the specified characteristics.
S means the initial value.
Note: Measurement shall be taken between 2 hours and 24 hours, having returned the test
pieces to the normal ambient conditions after the completion of each test.
Symbol
Name
CITILED
CL-L270-MU1WW1-A1
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1399 08/11
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
