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6. Reliability

(1)Details of the tests

(2)Judgment Criteria of Failure for Reliability Test

(Ta=25C)

Symbol

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

CITILED

2009/7/29

2009/3/3

Mark

Date

Test Item

Test Condition

High Temperature Storage

Test

Moisture-proof Test

Thermal Shock Test

Life Test in Continuous

Operation

Low Temperature Storage Test

-40C , 30 minutes and 100C , 30 minutes,

100cycle

Forward Voltage

>U×1.2

Measuring Item

Measuring Condition Judgement Criteria for Failure

Reverse Current

>U×2

Description Appro.

Name

CL-824-MU1L2

Issue of second edition

Drawing No

Issue of first edition

CITIZEN ELECTRONICS CO.,LTD.

Recommended temperature profile (reflow

soldering)

× 2, (2nd test must be started after the samples are

Solder Heat Resistance Test

< S×0.7

Luminous Intensity

SPECIFICATIONS

Ref.CE-P490 08/09