LED FILAMENT LAMP DIMMABLE BULB 4W NEW DEVELOPMENT

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500 pc
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10000000 pc/month

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Item specifice:

Color Temperature: 2500K-7000K LED type: EPISTAR Lamp luminous flux(lm): 400
Body material: Glass Base type: other,B22,E14,E26,E27 Power(W): 4W
Certification: BV,C-tick,CCC,CE,CQC,EMC,Energy Star,ETL,FCC,FDA,GOST,GS,LVD,PSE,REACH,RoHS,SAA,SASO,UL,VDE Working Temperature(℃): -370C - 550C PF: >0.5
Input voltage(V): 85-265V, 12v, 24v,36v CRI (Ra>): >80 Warranty: two years

Product Description:

 Product characteristic

1.    High brightness LEDs

2.    Long life service, lasts up to 30000hr

3.    Excellent weathering resistance, insensitive to humidity, suitable for wide range temperature

4.    Easy to install, easy to use

5.    No strobe flash, speedy start, no flicker, good for eyes

6.    Safe, energy-saving, environment friendly

 Application Scopes

 

Suitable for most indoor lighting applications, such as household, hotel, shopping mall, supermarket, 

office, car park, factory, advertising box, car, vessel and other transportation, can significantly

 reduce the energy consumption; give you a green light environment

Item

Parameter 

Power

4w

LED Quantity

96pcs LEDs

Colors

Warm white, white, cool white

CCT

2500-6500K

Ra

75

Lifespan 

30000-50000 Hours

Light flux

300LM

Light efficiency

100LM/W

Glowing

360°

Material

Glass, Aluminum

Net Weight

0.032KG

Gross Weight

0.046KG1/pc

Size

55*96m 

LED FILAMENT LAMP DIMMABLE BULB 4W NEW DEVELOPMENT

LED FILAMENT LAMP DIMMABLE BULB 4W NEW DEVELOPMENT

Serial 

 Check a project

Check condition

 parameter

Allowable error

Remarks

1

Total Power

25

4W

≤±0.5


2

Input

25

AC220V

±20V


3

 Power Factor

25

0.9



4

Work Temp

5

-40--50

≤±1W


5

   Frequency

25

50hz




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Q:Will the LED bulb, T8, T5 lights, radiator lamps, is the hotter the better? What's the regular temperature? What are the common heat release materials? Specifications?
With the temperature of the heat sink to judge a lamp is not easy, the domestic aluminum radiator are generally more, for T8T5 will have to see the size of the whole lamp power, the simplest is to look at the weight, the relative materials generally heavier will be better.
Q:Led the bulb is flashing. What's wrong with it? How do you fix it?
The general power supply too much heat to stimulate the overheating protection function itself with the power supply, power supply is a protection device, when the heat is too large, may cause it has an adverse effect on power and light, power will take the initiative to make the lamp power, rest, fully dissipated heat later. Bright. So, this is the power overheating protection at work. It will not be the case if the outer shell is enlarged or the room is ventilated and the heat should be cooled.
Q:What is the 15 Watt lumen of the LED bulb?
The general high-power lamp for 1W 80ML 15W ~ ~ ~ is about 1200 lumens, but you use good chip ~ higher lumen.
Q:LED bulb PC, will the white cover affect the color temperature of the finished lamp?
The chip may damp, no air humidity warehouse management process; or the chip in the assembly process by foreign influence, the lampshade is removed, and then measured once in the color of the aluminum plate radiator
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 heat sink temperature and the temperature of the radiator is not the same, the heat sink through thermal grease or other heat conducting medium to heat to the radiator, the temperature will not coincide. And the temperature inside and outside the radiator is also different.
Q:Why can't the voice switch control the time of the LED bulb?
The production lights can be controlled. Where do they go to consult?
Q:What are the types of LED bulb?
power LED bulb is the traditional incandescent lamp 1/10, half of the power of the energy-saving lamp, high efficiency and energy saving is the best
Q:LED bulb with what type of LED beads?
The LED bulb is mainly white and warm white two colors are white, the temperature is generally 6000-6500K color, the color of the sun light at noonWarm white temperature is 2700-3000K, yellow, similar to the sunset color temperature.
Q:LED what is the glue between the aluminum base of the bulb and the cooling aluminum?
It's best to use heat conductive glue, such as ST922.
Q:I want to ask for high power LED bulb lamp wire inexplicably broke, and in large quantities. Is the quality of the lamp?
It's possible to assemble your own bulb. The power used in the bulb is too large. It causes the gold wire to burn

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