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Yuliang Optoelectronic > Piranha LEDs > 3mm Piranha LEDs

3mm Piranha LEDs

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Instruction Manual
SMD LED Instruction Manual
Thank you for using Shenzhen Yuliang Optoelectronics Co., Ltd. LED series products, in order to enhance your understanding of our company's product characteristics, to facilitate you to master its characteristics during use, to minimize or avoid unnecessary factors caused by human factors Damage or performance mismatch. Hereby explai
1. Material confirmation
Is the LED BIN rating of the feed matched? For example: voltage CIE BIN brightness and other parameters are the same level, the same level should be used together. Whether the positive and negative polarities meet the requirements, whether the different foot positions meet the requirements. If the same level of LED is not applied to the same item, its applicability should be evaluated first. (If the different voltage BINs are used together, the brightness may be different, and different CIE BINs may use the luminescent colors together to make a difference).
2. Packing and storage
Avoid moisture entering the inside of the LED before opening the package. It is recommended that the SMD series of LEDs be stored in a desiccant drying cabinet. Storage environment temperature range 5-30 degrees, humidity does not exceed 50%.
3. Preventive measures after opening the package
After unpacking, take the whole roll dehumidification measures as much as possible, and dehumidify the conditions: baking at 70 degrees for 4-12 hours. The dehumidified material should be used as soon as possible (within 24 hours). Remaining material should be sealed or placed in an environment with 10-40 degrees humidity and no more than 30% humidity.
4. Operational notes
This product can only be rewelded at most twice and after the first reflow, it must be cooled to room temperature before the second reflow can be performed. It is recommended that the reflow temperature range is 200-240 degrees. During the operation process, the material can not be taken directly by hand. There is sweat on the hand, and the sweat on the surface of the silica gel has optical pollution, affecting the light. In addition, the silica gel is relatively soft, and hand squeezing will cause the dead lamp to be broken. It is not recommended to mount LEDs on a bent circuit board. Avoid rapid cooling during soldering. Avoid any form of mechanical force or excessive vibration during LED solder cooling. After soldering, do not bend the circuit board. During rework or single-material work, the surface of the colloid cannot be squeezed with tweezers. Because silica gel is relatively soft, squeezing the colloid with tweezers can lead to wire breakage, which can damage the chip and cause it to die. In batch operations, the suction nozzle smaller than the inner diameter of the product will cause the nozzle to punch the silicone, causing the gold wire to break and the chip to be pressed and die. It is not advisable to carry out soldering for the repaired LED. If it is unavoidable, double-head soldering iron should be used. However, it is necessary to confirm in advance whether the LED characteristic will be damaged after the repair.
5. Electrostatic Protection
Electrostatic protection LED is an electrostatic sensitive electronic device. Various measures should be taken to avoid static electricity. For example: Wear an electrostatic ring during use. All devices, equipment and instruments should be grounded. It is recommended to test the assembled LED product to check whether the LED is damaged by static electricity.
6. Cleaning
It is recommended that isopropyl alcohol be used to clean the LEDs. If using other solvents for cleaning, make sure that the solvent does not affect the epoxy, silicone, or stent silver layers. Ultrasonic cleaning is not recommended to avoid damage to the LED. If it is unavoidable, please perform a pre-test beforehand to confirm whether it has adverse effects on the LED or potential problems.
7. Other considerations
Long-term exposure of the LED to sunlight or occasional exposure to ultraviolet light may cause yellowing of the gel. In order to ensure the photoelectric performance of the LED, please keep the surface of the LED lighting area clean and avoid fingerprints or other foreign objects covering. When designing the circuit, reverse voltage or excessive current in the switching process should be prevented from impacting the LED instantaneously. During use, avoid sharp tools such as tweezers touching the silicone gel section.
After-sale guarantee
Product guarantee
We using the original Taiwan Epistar and CREE chip
Quality assurance
All products are 2 years warranty and all products are strictly under controlled of our company's quality management system, and they are fully checked and shipped to ensure product quality.
Yuliang Promise
Yuliang promised to supply 1 BIN for long term and 3 days delivery samples.Small batch order can be completed within 5-7 days. Fast response to customer complains within 24 hours and handled a series of problems that the customer faced efficiently.
Sales network
Customer first, service priority. We have offices in Shanghai, Ningbo and Zhongshan, which can provide quality services to our surrounding customers.
customer service hot line
+86 0755-23170723
R & D Strength
Over 20 professional smd led engineers

We have over 20 professional smd led engineers, independent LED encapsulation lab,can achieve high and low temperature cold and hot shock test, anti-vulcanization test,moistureproof test,constant temperature and humidity test,LM-80 Standard 6000H continuous light attenuation test,etc.Products have more than 30 patents.

Production Strength
Over 6000m² modern dust-free workshop

10 years LED encapsulation experience,over 6000m? modern dust-free workshop,firstly bring out "three proofings" technology which can perfectly resolve the problems:high dead lamp rate,vulcanization, moisture absorption,etc,truly realize moistureproof, anti-vulcanization,prevent dead lamp.

Technology Strength
Specialize in small-medium power LED Encapsulation for 10 years

We firstly apply "waterproof technology" to realize waterproof of 3528 lens(50-60°),5050RGB,3535RGB, 3535 white light.

Branded Chip
From EPISTAR,CREE,OSRAM

Chips mainly from international manufacturers(EPISTAR,CREE,OSRAM), we strengthen integration of supply chain resources to do IQC, process specification, improve OQC process, and strive to make satisfying products.

Quality Assurance
Operate strictly in accordance with ISO9001:2008 standards

We operate strictly in accordance with ISO9001:2008 quality management system,white light color area strictly complies with American Energy Star IES LM-80 standard.A number of products have passed the certification of Energy Star IES LM-80, SGS, RoHS, EN62471, etc.

Yuliang Commitment
Quick proofing, Short delivery Long-term stable supply

We promise our customers to long-term supply 1 BIN for regular color temperature products,sample making within 3 days as customer's requirement, small batch orders completed within 5-7 days, conventional products completed within 1-2 days, customer complaints within 24 hours response, timely and efficiently deal with a series of problems customers faced with.