275NM 6.8V UVC LED Lamp Dual Chip DL-275-S68 40mW 90 Degree Luminescence

UVC deep UV LED dual chip ,DL-275-S68-40mW - 90 degree luminescence

Parameter:

1,Product naming rules:

Explain:
X stands wavelength
Y stands for size
Z stands for stent type
T stands for power value

2,Size:

Note:

In order to have a stable output, UV LED need a very good heat release enviroment

or a good heat release system. We suggest the temperature of holder could not be

over 50℃ when LED is working.

3,Limitation use conditions:

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

4,Optoelectronic parameter value :

Note:
①:Output power measurement tolerance is 10%
②:Voltage measurement tolerance is 0.1V
③:Wavelength measurement tolerance is 1nm
④:Average Pulse: (Frequency1KHZ, Bias:5%);

The biggest working electric curren:60mA; Average Pulse

5,Output power levels

6,Photoelectric characteristics (TA=25℃)

7,Instructions:
⑴ LED 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.

⑷ 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 The peak temperature should be set at 170-180℃.

The melting time suggests to adjust to 50-80 seconds when above 138℃
④ 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.

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 the protectective clothing, glove and glasses druring operation.

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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