Cool White 9w LED Light with Epistar Chip from CNBM

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Product Description:

1.        Technique Specifications

Cool White 9w LED Light with Epistar Chip from CNBM 

Cool White 9w LED Light with Epistar Chip from CNBM

2. Our bulbs Advantages: 

1).Beautiful shape with silver line

2).Silver and white colors optional

3).Dia-casting aluminum, good heat dissipation

3).Wide voltage AC100-240V

4).Constant current driver

5).Qualified with CE & ROSH 

6).Great prices for big materails purchase

7).Private mold for we have our own injection molding factory

 

 3.  Feature

1). Using ultra-bright highest level Epistar LED chips with proprietary encapsulation technology, realizing excellent luminance, low brightness decline;

2). Constant-current driver is used to ensure the lamp working with reliability and stability.

3). Scientifically-designed heat dissipater with much better cooling effect;

3). Great energy-saving effect, save energy by over 70% comparing with traditional lamps;

4). Lamp surface treated with anodization, corrosion-resistant, artistic appearance.

5). Long lighting distance and wide lighting areas 

Cautions:
1. Switch off the power before replacing the lamp.
2. Keep away from direct sunshine and high temperature.
3. Indoor use only.
4. If any doubt about the installation or use of this product, consult a competent electrician

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Q:What's the reason for the LED bulb strobe?
If this resonant characteristic causes the input current to fall below the TRIAC sustaining current, the TRIAC will turn off. After a short delay, the TRIAC usually switches on and fires the same resonance. In the 1.5 cycle of the input power waveform, this series of events may be repeated several times to form visible LED flashes. To cope with this problem, a key requirement of TRIAC dimming is that the input capacitance of the EMI filter is very low and that the capacitor is decoupled through the TRIAC and the winding impedance. According to the formula, if the capacitance of the dimming module is reduced, the resistance of the resonant circuit can be increased, and the oscillation is suppressed in principle, and the desired circuit work is resumed.
Q:Is it possible to manually weld LED bulb bulbs?
As long as the welding technology clearance is possible or OK
Q:What is the AC voltage of the LED bulb?
LED bulb is the appearance of the shape of the bulb - people have the habit of spherical internal light source is selected for LED lamp. With all the advantages of LED lamps: 1, energy saving, environmental protection; 2, long service life; 3, no stroboscopic, green.More energy-saving: LED lamp energy consumption is energy-saving lamp 1/4, incandescent lamp 1/10Long life: LED lamp life of up to 50 thousand hours, life expectancy is 3-5 times energy-saving lamps.More healthy: light evenly, no strobe, no glare, no UV and infrared.More environmentally friendly: no mercury vapor, harmful substances can be recycled to protect the green earth.Full color change: rich colors, vivid and delicate patterns and effects can be displayed.Installation convenience: simple installation, can replace incandescent lamp directly, maintenance cost is extremely low.
Q:LED what is the plastic shell of the bulb? What plastic material is better? What do you need to pay attention to?
PDT flame retardant plastic, good heat dissipation, flame retardant effect, you see is not very good?
Q:In a bulb, the ambient temperature of the LED is LED, the temperature of the air in the bulb, or the temperature of the aluminum substrate
The lamp is normal body temperature measurement temperature lamp, lamp heat sink temperature is the key, if the heat do good, heat sink temperature is close to the junction temperature, but the temperature are generally measured lamp pin temperature, plus a rise coefficient estimation of heat sink temperature, so as to estimate. The temperature of the lamp. The temperature of the aluminum substrate and the heat sink is relatively surface, and the superficial and relatively useful temperature depends on the junction temperature, which is related to the life of the LED. So the temperature near the pin or heat sink is more realistic.
Q:Seeking the production process of LED bulb... Thanks
First of all, of course, the preparation of materials, the specific operation of the lamp to practice, each lamp has different methods of assembly, there are different work instructions. Only through practice can we write good and practical processes. Figure is a flow chart of MR16 assembly.
Q:Can the bulb's true life reach 30000~50000 by LED?
According to the current LED manufacturing technology, LED bulb has a lifetime of up to 30000 hours.
Q:What are the requirements of the LED series inspection specification for bulb bulbs?
Insulation resistance: the lamp should not be placed for 48 hours in the damp box with relative humidity of hours. The air temperature in the box shall be controlled at any value between 20~30 degrees centigrade, and the temperature difference is within 1 degrees. The insulation resistance shall be measured in the wet box. Now the DC voltage on the lamp is about 500V. After 1min, the insulation resistance test will begin. The insulation resistance between the lamp holder, the current carrying metal parts and the accessible lamp parts shall be no less than 4M ohms.
Q:Choose which light bulb LED bulb is the healthiest
The two said warm light, power, color temperature and so on have little to do with health
Q:I want to ask for high power LED bulb lamp wire inexplicably broke, and in large quantities. Is the quality of the lamp?
Have you used it or haven't you bought it yet?

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