ltl-4251n-072a LiteOn Technology Corp., ltl-4251n-072a Datasheet - Page 8

• Manufacturer Part Number: ltl-4251n-072a
• Description: Liteon Power Led
• Manufacturer: LiteOn Technology Corp.

1. Application
2. Storage
3. Cleaning
4. Lead Forming & Assembly
Part No. : LTL-4251N-072A
BNS-OD-C131/A4
5. Soldering
The LEDs described here are intended to be used for ordinary electronic equipment (such as office equipment,
communication equipment and household applications).Consult Liteon’s Sales in advance for information on
applications in which exceptional reliability is required, particularly when the failure or malfunction of the
LEDs may directly jeopardize life or health (such as in aviation, transportation, traffic control equipment,
medical and life support systems and safety devices).
During lead forming, the leads should be bent at a point at least 3mm from the base of LED lens.
Do not use the base of the lead frame as a fulcrum during forming.
Lead forming must be done before soldering, at normal temperature.
During assembly on PCB, use minimum clinch force possible to avoid excessive mechanical stress.
The storage ambient for the LEDs should not exceed 30°C temperature or 70% relative humidity.
It is recommended that LEDs out of their original packaging are used within three months.
For extended storage out of their original packaging, it is recommended that the LEDs be stored in
a sealed container with appropriate desiccant or in desiccators with nitrogen ambient.
Use alcohol-based cleaning solvents such as isopropyl alcohol to clean the LEDs if necessary.
When soldering, For Lamp without stopper type and must be leave a minimum of 3mm clearance
from the base of the lens to the soldering point.
To avoided the Epoxy climb up on lead frame and was impact to non-soldering problem, Dipping the
lens into the solder must be avoided.
Do not apply any external stress to the lead frame during soldering while the LED is at high temperature.
Note: Excessive soldering temperature and/or time might result in deformation of the LED lens or
Recommended soldering conditions :
Temperature
Soldering time
catastrophic failure of the LED
Soldering iron
300°C Max.
3 sec. Max.
(one time only)
LITE-ON TECHNOLOGY CORPORATION
P r o p e r t y o f L i t e - O n O n l y
Pre-heat
Pre-heat time
Solder wave
Soldering time
CAUTIONS
Wave soldering
100°C Max.
60 sec. Max.
260°C Max.
5 sec. Max.
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