LTW-M140SZS40 Datasheet, PDF (11/12 Pages) Lite-On Technology Corporation – LITE-ON TECHNOLOGY CORPORATION

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Use of a conductive wrist band or anti-electrostatic glove when handling these LEDs.
All devices, equipment, and machinery must be properly grounded.
Work tables, storage racks, etc. should be properly grounded.
Use ion blower to neutralize the static charge which might have built up on surface of the LED’s plastic
lens as a result of friction between LEDs during storage and handling.
ESD-damaged LEDs will exhibit abnormal characteristics such as high reverse leakage current, low
forward voltage, or “no lightup” at low currents.
To verify for ESD damage, check for “light up” and Vf of the suspect LEDs at low currents.
The Vf of “good” LEDs should be >2.0V@0.1mA for InGaN product and >1.4V@0.1mA for AlInGaP
product.
7. Reliability Test
Test Item
Resistance to Soldering
Heat (Reflow Soldering)
Test Condition
Reference Standard
Tsld=260℃, 10sec.
(Pre treatment 30℃,60%,168hrs.)
JEITA ED-4701
300 301
Note
2 times
Number of
Damaged
0/30
Solderability
(Reflow Soldering)
Thermal Shock
Temperature Cycle
Tsld=245±5℃, 3sec.
(Lead Free Solder)
JEITA ED-4701
300 303
1 time
Over 95%
0/30
-30℃ ~ 85℃
30min.. 30min.
JEITA ED-4701
300 307
200 cycles
0/30
-40℃ ~ 25℃ ~ 100℃ ~ 25℃
JEITA ED-4701
100 cycles
0/30
30min. 5min. 30min. 5min.
100 105
High Temperature Storage
Temperature Humidity
Storage
Low Temperature Storage
Ta=100℃
Ta=60℃, RH=90%
Ta=-40℃
JEITA ED-4701
200 201
1000 hrs.
0/30
JEITA ED-4701
100 103
1000 hrs.
0/30
JEITA ED-4701
1000 hrs.
0/30
200 202
Steady State
Ta=25℃, IF=20mA
Operating Life Condition 1
1000 hrs.
0/30
Steady State
Operating Life Condition 2
Steady State
Operating Life of High
Temperature
Steady State
Operating Life of High
Humidity Heat
Steady State
Operating Life of low
Temperature
Ta=25℃, IF=30mA
Ta=85℃, IF=20mA
60℃, RH=90% , IF=20mA
Ta=-30℃, IF=20mA
1000 hrs.
0/30
1000 hrs.
0/30
1000 hrs.
0/30
1000 hrs.
0/30
All reliability items are mounted on thermal heat sink with 2.5 x 2.5 x 0.1 cm FR4 PCB.
Part No. : LTW-M140SZS40
BNS-OD-C131/A4
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