NSPR336BS Datasheet, PDF (6/16 Pages) NICHIA CORPORATION – rohs compliant

SOLDERING
NICHIA STS-DA1-3151A <Cat.No.140730>
• Recommended Hand Soldering Condition
Temperature
350°C Max
Soldering Time
3sec Max
Position
No closer than 2mm from
the base of the lens.
• Recommended Dip Soldering Condition
Pre-Heat
120°C Max
Pre-Heat Time
60sec Max
Solder Bath
Temperature
260°C Max
Dipping Time
10sec Max
Dipping Position
No closer than 2mm from
the base of the lens.
* Solder the LED no closer than 2mm from the base of the lens.
Soldering beyond the base of the tie bar is recommended.
* Dip soldering/hand soldering must not be performed more than once.
* Care should be taken to avoid cooling at a rapid rate and ensure the peak temperature ramps down slowly.
* When soldering, do not apply stress to the lead frame while the LED is hot.
* When using a pick and place machine, choose an appropriate nozzle for this product.
* After soldering, the LED position must not be corrected.
* After soldering, NO mechanical shock or vibration should be applied to LED lens
until the LEDs cool down to room temperature.
* In order to avoid damage on the lens during cutting and clinching the leads,
it is not recommended to solder the LEDs directly on customer PCB without any gap between the lens and the board.
If it is unavoidable, customer is advised to check whether such soldering will not cause wire breakage or lens damage.
Direct soldering to double-sided PCBs must be avoided due to an increased effect of heat on the lens.
* When it is necessary to clamp the LEDs to prevent soldering failure,
it is important to minimize the mechanical stress on the LEDs.
* Cut the LED lead frames at room temperature. Cutting the lead frames at high temperature may cause failure of the LEDs.
* Consider factors such as the dip soldering temperature, hand soldering temperature, etc. when choosing the solder.
* When flux is used, it should be a halogen free flux. Ensure that the manufacturing process is not designed in a manner
where the flux will come in contact with the LEDs.
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