high luminance 2835 CRI >80 performance light emitting diode LED
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- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 4000 PCS
- Supply Capability:
- 18000000 PCS/month
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Specification
1. Features & Benefits
- Package: 2.8*3.5*0.65mm (Top view white LED)
- Emitted Color: White
- Soldering methods: All SMT assembly methods
- Enables 3-, 4-, 5-step MacAdam ellipse kits
- Extremely wide viewing angle,standard form factor design flexibility
The minimum luminous efficiency 160lm/w@60mA
2. Typical Application:
- Bulb
- ndoor & Outdoor sign board back light
- Advertising backlighting
- General use.
3. Precautions for use
3.1 Soldering
SMD LED encapsulation is very flexible, outside force easily demolish radiant surface and plastic, As soldering , Please handle with care!
a. With No-clean Flux, according to reflow soldering cure condition when soldering, Reflow soldering should not be done more than two times, simultaneity you must insure clean on the radiant surface. Otherwise, foreign objects can affect radiant color.
b. Don’t process manual soldering except repair. Recommended to be soldered with 25W Anti-static iron, The temp. of the iron should be lower than 300℃ and soldering time should not be done more than three seconds, at the same time iron can’t touch radiant surface and plastic.
c. Don’t twist LED in course of manual soldering and experiment, Otherwise, the lights will not work possibly.
d. Please use the same BIN grade in one panel, and don’t mix the difference BIN grade in one panel when soldering. Otherwise, it will cause a serious uneven color problem.
e. Please control the sulfur content of solder paste and PCB.
f. Pb-free solder temp.-time profile as below:260℃Max.
3.2 Cleaning
a. Don’t be cleaned with ultrasonic. Recommended to be wiped with isopropyl alcohol or pure alcohol,wiping time should not be more than one minute. LED must be placed at room temperature for fifteen minutes before producing .you must insure clean on the radiant surface. Otherwise, foreign objects can affect radiant color.
b. LED can’t be in contact with acetate、 trichloroethylene, acetone、 sulfur、 nitride、 acid、 alkali、 salt. These matters can destroy LED.
3.3 Sealing
a. Sealing glue can’t contain sulfur,because these matter can affect fluorescence powder poisoning.
b. When using normal sealing glue, recommended will be operated life for 168hrs under normal temperature.
3.4 Storage
a. Don’t open the moisture proof bag before ready to use the LEDs.
b. The LEDs should be kept at 30℃ or less and 60%RH or less before opening the package. The max. period before opening the package is 1 year. c. After opening the package, the LEDs should be kept at 30-35%RH or less, and it should be used within 3 days. If the LEDs should be kept at 30-35%RH or more, and it should be used within 4 hours.
d. If the LEDs be kept over the conditions of 20%, baking is required before mounting. Baking condition as below: 70±5℃ for 12 hours for bulk goods, 105±5℃ for 1 hours for roll goods.
e. The environment have no acid、alkali、corrosive gas、intensively shake and high magnetic field.
3.5 Test
a. Customer must apply the current limiting resistor in the circuit so as to drive the LEDs within the rated current. Otherwise slight voltage shift maybe will cause big current change and burn out will happen.
b. Also, caution should be taken not to overload the LEDs with instantaneous high voltage at the turning ON and OFF of the circuit.
c. The reverse voltage mustn’t exceed 5v when lighting on or testing the LED, otherwise, LEDs will be damaged.
- Q:How can I install the patch LED lamp belt on the wood chip casting board? With double-sided glue will be hot, and can not use the clip on the screw, what should I do?
- Installed indoors, you can directly tear off the stickers on the 3M double-sided adhesive surface, and then fix the light bar where it needs to be installed. Just press it with your hands.
- Q:Patch LED features
- The principle of luminescence is that of cold luminescence, not by heating or discharging light, so the component life is about 50~100 times longer than that of tungsten filament bulb, and about one hundred thousand hours.
- Q:What is patch LED?
- LED is usually the lead pins form, need to be drilled on the printed circuit board, the LED pin is inserted in the hole, welded with wave soldering machine; and the patch type LED is used in welding surface, flat welded on the circuit board.
- Q:What should I notice when I want to solder 1206 LED patch type luminous tube on fine copper wire?,
- The power of the soldering iron should not be too big. Generally choose 20--35 watt welding time as short as possible, it is best to hang the copper wire on the solder, do not use solder paste in the soldering flux, and choose the rosin as well
- Q:What is the difference between patch LED beads and LED beads: General
- A LED chip is led lamp. Common LED has two or four pins, and there is no needle foot, close to the circuit board, copper foil welding, are the same. You should choose the lamp the key is to consider the color temperature, color rendering index, light efficiency, light, and power quality, buy these things to buy better quality, common is topclass photoelectric
- Q:LED package and LED SMD LED lamp, what is the difference? Will the release agent be used in that part?
- They differ in form and belong to the SMDLED category. Encapsulation uses liquid silicone and epoxy resins as well. The patches are basically made of epoxy resin. Relatively speaking, the amount of liquid silica should be relatively large.
- Q:What is the difference between SMT LED packaging with silicone and epoxy resin transparent package? What is the market situation of these two types of packaging?
- At present, it is basically made of silica gel, and the epoxy resin is very few. Only those with lower price may use some. Why is it rare to use epoxy? Because of the use of LED epoxy patch cited some discomfort because the cable used in the above: reflow welding, high temperature resistant epoxy epoxy and silicone not lead to separation, produce decay dead lights etc..
- Q:What is the difference in performance between the LED plug-in and the LED patch?
- 1, the patch is relatively easy to heat dissipation, can be directly welded on the aluminum substrate, heat faster.2, in general, there is a straw type shell, general lighting has front facing directivity, just look at it, brightness will be the biggest. The patch has a relatively wide divergence angle and is more suitable for fluorescent lamps.
- Q:SMD LED lamp working voltage?
- Single chip of 1 watts, more than a lot, different colors, the voltage will be different. White is usually 3.0-3.6V.* in addition to their working voltage, working current is more important parameters, once the flow, it will burn out.The LED lamp. With chips is variety, many tricks, they can be connected in series and parallel. The voltage is divided into high voltage, low voltage and medium voltage
- Q:Notes on patch LED
- Clean, do not use an unknown chemical liquid to clean the patch LED: an unknown chemical liquid may damage the patch LED. When necessary, immerse the patch LED in alcohol, less than 1 minutes at normal room temperature, and dry naturally for 15 minutes before starting to use
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high luminance 2835 CRI >80 performance light emitting diode LED
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 4000 PCS
- Supply Capability:
- 18000000 PCS/month
OKorder Service Pledge
OKorder Financial Service
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