Experiment Item:

Test Condition

Item

Lamp & IR

Reference Standard

OPERATION LIFE

Ta

25 5

IF= 20mA

RH

=60%RH

DYNAMIC:100mA 1ms 1/10 duty

STATIC STATE: IF

20mA

TEST TIME:

168HRS

-24HRS

+24HRS

500HRS

-24HRS

+24HRS

1000HRS

-24HRS

+72HRS

MIL-STD-750

1026

MIL-STD-883

1005

JIS

C

7021

B-1

HIGH

TEMPERATURE

HIGH HUMIDITY

STORAGE

Ta

65

5

RH

90

95%RH

TEST

TIME

240HRS 2HRS

MIL-STD-202

103B

JIS

C

7021

B-1

TEMPERATURE

CYCLING

105

25

-55

25

30min

5min

30min

5min

10CYCLES

MIL-STD-202 107D

MIL-STD-750

1051

MIL-STD-883

1010

JIS

C

7021

A-4

THERMAL SHOCK

105

5

-55

5

10min

10min

10CYCLES

MIL-STD-202 107D

MIL-STD-750

1051

MIL-SYD-883

1011

SOLDER

RESISTANCE

T

sol

260

5

DWELL

TIME

10 lsec

MIL-STD-202

210A

MIL-STD-750-2031

JIS

C

7021

A-1

SOLDERABILITY

T

sol

230

5

DWELL

TIME

5 lsec

MIL-STD-202 208D

MIL-STD-750

2026

MIL-STD-883

2003

JIS

C

7021

A-2

Page : 9

LED

LAMP PASSED TESTS

Drive Method

Circuit model A

Circuit model B

(A)Recommended circuit.

(B)The difference of brightness between LED`s could be found due to the Vf-If characteristics of LED.