16.02.2012

UVLED-365-330-SMD

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Precaution for Use

1. Cautions

•

This device is a UV LED, which radiates intense UV light during operation.

•

DO NOT look directly into the UV light or look through the optical system. To prevent

inadequate exposure of UV radiation, wearing UV protective glasses is recommended

2. Soldering Conditions

•

The LEDs can be soldered in place using the reflow soldering methode. There is no

guarantee for LEDs after they have been assembled using the dip or hand soldering method.

•

Recommended soldering conditions:

Reflow Soldering

Lead Solder

Lead-free Solder

Pre-Heat

120 – 150 °C

180 – 200 °C

Pre-Heat Time

120 Seconds Max.

120 Seconds Max.

Peak Temperature

240 °C Max.

260 °C Max.

Soldering Time

10 Seconds Mac.

10 Seconds Mac.

Condition

Please see graph below

Please see graph below

•

Although the recommended soldering conditions are specified in the above table, dip or hand

soldering at the lowest possible temperature is desirable for the LEDs.

•

A rapid-rate process is not recommended for cooling the LEDs down from the peak

temperature.

Lead Solder:

Lead free Solder:

Recommended Solder Pad design (unit mm):

The product has a floating die heat sink.

Please make sure that the die heat sink

is soldered for proper heat dissipation.

•

Occasionally there is a brightness decrease caused by the influence of heat or ambient

atmosphere during air reflow. It is recommended that the customer use the nitrogen reflow

method.

•

Repairing should not be done after the LEDs have been soldered. It should be confirmed

beforehand wheter the characteristics of the LEDs will or will not be damaged by reairing.