B

B

B

SINCE 1981

● Reliability Test

Classification

Test Item

Reference Standard

Test Conditions

Result

Operation Life MIL-STD-750:1026

MIL-STD-883:1005

JIS-C-7021

:B-1

Connect with a power If=20mA

Ta=Under room temperature

Test time=1,000hrs

0/20

High

Temperature

High Humidity

Storage

MIL-STD-202:103B

JIS-C-7021

:B-11

Ta=+65℃±5℃

RH=90%-95%

Test time=240hrs

0/20

High

Temperature

Storage

MIL-STD-883:1008

JIS-C-7021

:B-10

High Ta=+85℃±5℃

Test time=1,000hrs

0/20

Endurance

Test

Low

Temperature

Storage

JIS-C-7021

:B-12

Low Ta=-35℃±5℃

Test time=1,000hrs

0/20

Temperature

Cycling

MIL-STD-202:107D

MIL-STD-750:1051

MIL-STD-883:1010

JIS-C-7021

:A-4

-35℃ ~ +25℃ ~ +85℃ ~ +25℃

60min 20min

60min

20min

Test Time=5cycle

0/20

Thermal Shock MIL-STD-202:107D

MIL-STD-750:1051

MIL-STD-883:1011

-35℃±5℃ ~+85℃±5℃

20min

20min

Test Time=10cycle

0/20

Environmental

Test

Solder

Resistance

MIL-STD-202:201A

MIL-STD-750:2031

JIS-C-7021

:A-1

Preheating：

140℃-160℃,within 2 minutes.

Operation heating：

235℃(Max.), within 10seconds. (Max.)

0/20

● Judgment criteria of failure for the reliability

Measuring items

Symbol

Measuring conditions

Judgement criteria for failure

Forward voltage

Over Ux1.2

Reverse current

Over Ux2

Luminous intensity

Iv ( mcd )

Below SX0.5

Note: 1.U means the upper limit of specified characteristics. S means initial value.

2.Measurment shall be taken between 2 hours and after the test pieces have been returned to

normal ambient conditions after completion of each test.

Ver.1.3

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