-3-

Nichia

STSE-CW7111A

<Cat.No.070626>

6.RELIABILITY

(1) TEST ITEMS AND RESULTS

Test Item

Standard

Test Method

Test Conditions

Note

Number of

Damaged

Resistance to

Soldering Heat

JEITA ED-4701

300 302

Tsld=260 ± 5°C,

5sec.

1.6mm from the base of the stopper

(Pre treatment 30°C,70%,168hrs.)

1 time

0/22

Solderability

JEITA ED-4701

300 303

Tsld=235 ± 5°C,

5sec.

(using flux)

1 time

over 95%

0/22

Temperature Cycle

JEITA ED-4701

100 105

-40°C ~ 25°C ~ 100°C ~ 25°C

30min. 5min. 30min. 5min.

100 cycles

0/50

Moisture Resistance Cyclic

JEITA ED-4701

200 203

25°C ~ 65°C ~ -10°C

90%RH

24hrs./1cycle

10 cycles

0/50

Terminal Strength

(bending test)

JEITA ED-4701

400 401

Load 5N (0.5kgf)

0° ~ 90° ~ 0° bend 2 times

Nonoticeable

damage

0/50

Terminal Strength

(pull test)

JEITA ED-4701

400 401

Load 10N (1kgf)

10 ± 1 sec.

Nonoticeable

damage

0/50

High Temperature Storage

JEITA ED-4701

200 201

Ta=100°C

1000hrs.

0/50

Temperature Humidity

Storage

JEITA ED-4701

100 103

Ta=60°C,

RH=90%

1000hrs.

0/50

Low Temperature Storage

JEITA ED-4701

200 202

Ta=-40°C

1000hrs.

0/50

Steady State Operating Life

Tested with Nichia standard circuit board.

1000 hrs.

0/50

Steady State Operating Life

of High Humidity Heat

Tested with Nichia standard circuit board.

500 hrs.

0/50

Steady State Operating Life

of Low Temperature

Tested with Nichia standard circuit board.

1000 hrs.

0/50

Electrostatic Discharges

JEITA ED-4701

300 304

R=1.5k

Ω, C=100pF

Test Voltage=2kV

3 times

Negative/Positive

0/22

Thermal resistance of LED with Nichia standard circuit board : Rja ≒ 125°C/W

Nichia standard circuit board : FR4, t=1.6mm, Copper foil, t=0.07mm

(2) CRITERIA FOR JUDGING DAMAGE

Criteria for Judgement

Item

Symbol

Test Conditions

Min.

Max.

Forward Voltage

-

Initial Level

1.1

Luminous Flux

φv

Initial Level

0.7

-

The test is performed after the board is cooled down to the room temperature.