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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/-3C , 1000+24/-12hours
Low Temperature Storage Test
High Temperature Storage
Test
Moisture-proof Test
Thermal Shock Test
60 ±2°C, 90 ±5%RH for 1000+24/-12hours
ꢀ-40C , 30 minutes and 100C , 30 minutes,
100cycle
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
(Ta=25C)
Measuring Item
Forward Voltage
Reverse Current
Symbol Measuring Condition Judgment 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
CITILIGHT
CL-MU1WW1
Drawing No
Description Appro.
Mark
Date
CITIZEN ELECTRONICS CO.,LTD.
Ref.CE-P418 03/09 R1(0309)