NS4W107T Datasheet, PDF (4/17 Pages) NICHIA CORPORATION – TYPE WHITE LED

Nichia STS-DA1-0202
<Cat.No.080513>
6.RELIABILITY
(1) TEST ITEMS AND RESULTS
Standard
Number of
Test Item
Test Method
Test Conditions
Note
Damaged
Resistance to
JEITA ED-4701 Tsld=260°C, 10sec.
2 times
0/22
Soldering Heat
300 301
(Pre treatment 30°C,70%,168hrs.)
(Reflow Soldering)
Solderability
JEITA ED-4701 Tsld=215 ± 5°C, 3sec.
1 time
0/22
(Reflow Soldering)
300 303
(Lead Solder)
over 95%
Thermal Shock
JEITA ED-4701 0°C ~ 100°C
20 cycles
0/22
300 307
15sec. 15sec.
Temperature Cycle
JEITA ED-4701 -40°C ~ 25°C ~ 100°C ~ 25°C
100 cycles
0/22
100 105
30min. 5min. 30min. 5min.
Moisture Resistance Cyclic JEITA ED-4701 25°C ~ 65°C ~ -10°C
10 cycles
0/22
200 203
90%RH 24hrs./1cycle
High Temperature Storage JEITA ED-4701 Ta=100°C
1000 hrs.
0/22
200 201
Temperature Humidity
JEITA ED-4701 Ta=60°C, RH=90%
1000 hrs.
0/22
Storage
100 103
Low Temperature Storage JEITA ED-4701 Ta=-40°C
1000 hrs.
0/22
200 202
Steady State Operating Life
Ta=25°C, IF=60mA
1000 hrs.
0/22
Tested with Nichia standard circuit board.
Steady State Operating Life
Ta=85°C, IF=40mA
1000 hrs.
0/22
of High Temperature
Tested with Nichia standard circuit board.
Steady State Operating Life
60°C, RH=90%, IF=60mA
500 hrs.
0/22
of High Humidity Heat
Tested with Nichia standard circuit board.
Steady State Operating Life
Ta=-40°C, IF=50mA
1000 hrs.
0/22
of Low Temperature
Tested with Nichia standard circuit board.
Permanence of Marking JEITA ED-4701 Solvent : Isopropyl Alcohol
1 time
0/22
500 501
Solvent Temperature : 20 ~ 25°C
Dipping Time : 5 min.
Vibration
JEITA ED-4701 100 ~ 2000 ~ 100Hz Sweep 4min.
48min.
0/22
400 403
200m/s²
3directions, 4cycles
Electrostatic Discharges JEITA ED-4701 R=1.5kΩ, C=100pF
3 times
0/22
300 304
Test Voltage=2kV
Negative/Positive
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
Luminous Flux
VF
IF=50mA
-
Initial Level 1.1
φv
IF=50mA
Initial Level 0.7
-
The test is performed after the board is cooled down to the room temperature.
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