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SPECIFICATIONS
6. Reliability
(1)Details of the tests
Test Item
Test Condition
Life Test in Continuous
Operation
25±3C, IF=20 mA, 1000+24/-12hours
-40+3/-5C , 1000+24/-12hours
100+5/-3, 1000+24/-12hours
Low Temperature Storage Test
High Temperature Storage
Test
60 ±2C, 90 ±5%RH for 1000+24/-12hours
Moisture-proof Test
Thermal Shock Test
ꢀ-40C ,30 minutes and 100C , 30 minutes,
100cycle
Recommended temperature profile (reflow
soldering)
Solder Heat Resistance Test
ꢀ × 2, (2nd test must be started after the samples
(2)Judgment Criteria of Failure for Reliability Test
(Ta=25C)
Measuring Item
Forward Voltage
Reverse Current
Symbol Measuring Condition Judgement Criteria for Failure
IF=20mA
VR=5V
VF
IR
>U×1.2
>U×2
IF=20mA
Luminous Intensity
IV
<S×0.7
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.
Approved Checked Drawn
Symbol
Name
CITILED
CL-824-MU1N
Issue of second edition
Issue of first edition
Description Appro.
2009/7/29
2009/3/3
Date
Drawing No
Mark
CITIZEN ELECTRONICS CO.,LTD.
Ref.CE-P482 08/09
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
