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2 UVC LED Light Bulbs in one 275nm SMD3535 7mW 15mW AIN Ceramic Support Material

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Contact name:VIVI

DELI ELECTRONICS TECHNOLOGY CO.,LTD

2 UVC LED Light Bulbs in one 275nm SMD3535 7mW 15mW AIN Ceramic Support Material

Country/Region	china
City & Province	shenzhen guangdong

Product Details

Deep UV sensor UVC LED Wavelength 275NM SMD3535 7mW-15mW

DL-275UVC+UVC-S35 UVC+UVC 2leds IN ONE

1.Package

1)① Cathode Pad ②Anode Pad ③ Heat Sink

2)The tolerance unless mentioned is ±0.20mm.unit=mm;

3)A single device contains three different types of chips, respectively UVC LED/ zener diode.

Zener diode is used to provide ESD to UVC LED

4)Internal Circuit diagram:

More information:

Note: It will affect the quality of the equipment,even broken if out of the limitation of the LED use confition.

It is not recommended to operate over the above limits

2,Optoelectronic parameter value :

3.Product parameters

Absolute Maximum Ratings

4.Instructions:

⑴LED storage: suggest to sealed stock in under the temperature of 10℃-55℃,

humidity of 30%-65%.In order to keep a good quality, pls use it within 1 year after the prodcution date;

and use it out within 28days after open the package.

⑵ When taking or touch the LED, pls make sure to wear the gloves. Seal the package in time

in orde to avoid the pin oxidation. When openning the package, need to use the weezers clamped

on both sides of LED in order not to touch the face of the LED.

⑶ Installation: This process is mainly to protect the static electricity:

① Check if the grounding wire of the machine equipment is normal before production;

② Check if the static ring is normal, check static metal and human skin contact closely;

③ Check if the workerswear anti-static gloves;

④ Check if the working table is paved with electrostatic rubber cloth, and the rubber cloth

is connected to each other.

⑤ After opening the seal, it is better to use it out in 24hors,

otherwise it may cause the oxidation of the foot.

5.It is recommended to use low temperature solder paste for reflow,

and the temperature curve is shown in the following diagram.

① Preheating area

The temperature speed is 1.0-3.0℃/S. If the temperature rises too fast, it is easy to cause

paste mobility and component deterioration, then cause the tin explosive and phenomenon.

② Infiltrating area

The temperature is 110-130℃, 90-100s is the most suitable. If the temperature is too low,

then the solder will not melt if it is rewelded. It is recommended that the temperature rise

speed is <2℃/ s.

③ Reflow Area

The peak temperature should be set at 170-180℃. The melting time suggests

to adjust to 50-80 seconds when above 138℃

④ Cooling Area

Temperature cooling spead is better <4℃/ s.

⑸ With the increase of current and temperature, the life of LED will decrease,

which leads to the acceleration of the attenuation of LED.

⑹ It is suggested that a grounding circuit should be used in the design of PCB.

Pay special attention to the usage environment of LED: the temperature is between -30℃ to 55℃,

and the humidity is between 65%. Otherwise, the LED will be broken by electrostatic and high current breakdown.

6.Major security tips

This product is a deep ultraviolet LED, which will produce ultraviolet light after the correct

operation of electricity. Thus it is harmful to the skin and eyes of the human body.

No protective measures should be avoided directly in deep ultraviolet light.

It is recommended to wear protective clothing,gloves and glass.

Deli electronics tehcnology co ltd

www.icmemorychip.com
www.uvc-led.net
Email:sales3@deli-ic.com
Skype:hkdeli881
Contact: VIVI-CHEN

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