-4-

6.RELIABILITY

(1) TEST ITEMS AND RESULTS

Test Item

Standard

Test Method

Test Conditions

Note

Number of

Damaged

Resistance to

Soldering Heat

(Reflow Soldering)

JEITA ED-4701

300 301

Tsld=260°C, 10sec.

(Pre treatment 30°C,70%,168hrs.)

2 times

0/22

Solderability

(Reflow Soldering)

JEITA ED-4701

300 303

Tsld=215 ± 5°C,

3sec.

(Lead Solder)

1 time

over 95%

0/22

Thermal Shock

JEITA ED-4701

300 307

-40°C

~

100°C

1min. (10sec.) 1min.

(Pre treatment 30°C,70%,168hrs.)

100 cycles

0/50

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

High Temperature Storage

JEITA ED-4701

200 201

Ta=100°C

1000 hrs.

0/50

Temperature Humidity

Storage

JEITA ED-4701

100 103

Ta=60°C, RH=90%

1000 hrs.

0/50

Low Temperature Storage

JEITA ED-4701

200 202

Ta=-40°C

1000 hrs.

0/50

Steady State Operating Life

Tested with Nichia standard circuit board.

1000 hrs.

0/50

Steady State Operating Life

of High Temperature

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

Permanence of Marking

JEITA ED-4701

500 501

Solvent : Isopropyl Alcohol

Solvent Temperature : 20 ~ 25°C

Dipping Time : 5 min.

1 time

0/22

Vibration

JEITA ED-4701

400 403

100 ~ 2000 ~ 100Hz Sweep 4min.

3directions, 4cycles

48min.

0/10

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 ≒ 70°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

Iv

Initial Level

0.7

-

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

Nichia STS-DA1-0149

<Cat.No.080319>