12W E27 Led Bulb Light Pure Aluminum House B22 LED Bulb Heat Sink

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Specifications

12w e27 led bulb lightwholesale, b22 led bulb heat sink 
1. 12w e27 led bulb light 1100LM 
2. clear, milky, frosted 
3. 360deg 


12w e27 led bulb light wholesale, Pure aluminum house B22 led bulb heat sink

Product Description

 

Brife Specification:

1. 12w e27 led light bulb wholesale 1100LM

2. clear/frosted/milky cover, aluminum house, better heat dispasstion 

3. 360deg beam angle

4. PF>0.9, Ra>80

with such good specification, don't still not interested it?

 

Technical Specification:

Item Discription12w e27 led bulb light wholesale, Pure aluminum house B22 led bulb heat sink
Item No.:G125-E27-12W-CR-D / G70-E27-12W-CR-D
Wattage:12W
Size:125*205mm / 70*148mm
LampHolder:E27/E26/B22
Material:Aluminum house and glass cover
Lamp Shade:Glass cover, support milky, clear, frosted
Luminous:1100±10% LM
Led Chips:24pcs*0.5W SMD3014
Input Votage:AC85V-265V or AC/DC12V
Power Factor:PF>0.9
CRI:Ra>80
Beam Angel:360degree
CCT:2600K-3000K, 3700K-4500K, 6000K-6500K
Working Life:>30,000H
Type:Non-dimmable
Package:White box or Gift box
Warranty:Two Years



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Q:What is the 15 Watt lumen of the LED bulb?
LM, refers to a candle (CD, Candela Candela, unit of luminous intensity, the equivalent of an ordinary candle light intensity) in a solid angle corresponding to the spherical cone ball (1 square meters of the unit sphere radius of 1 meters on the representative point of view, the corresponding section in the center angle of about 65 degrees the total emission flux) on the.
Q:What is the AC voltage of the LED bulb?
LED lamp or constant voltage drive, generally through the drive circuit filter rectifier, LED bulb bulb AC voltage is generally 220V, power is divided into 3W, 5W, 7W, 8W, 9W, 12W and so on.
Q:LED what is the plastic shell of the bulb? What plastic material is better? What do you need to pay attention to?
LED is the most important heat, light will not be so serious, the thermal conductivity is relatively high Aluminum Alloy, so LED manufacturers usually choose to use aluminum shell
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:Will the power of the LED bulb grow longer and longer? Why?
In general, LED energy-saving lamps (including LED bulb bulbs) use a constant current drive that does not change the magnitude of the current with time or temperature, so it does not become more powerful as it grows for longer periods of time.On the other hand, if because of long time use leads to LED lamp temperature rise, according to the electrical properties of semiconductor, the PN junction voltage will also decreases with increasing temperature. Then, when the current is constant, a drop in the voltage drop means a decrease in power consumption, although the reduction is very small.
Q:Why can't the voice switch control the time of the LED bulb?
The power of LED bulb is much less than that of incandescent lamp, and the control loop and light bulb of simple sound control lamp are connected in series, and the load is different and the time delay is different
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:What are the types of LED bulb?
The LED bulb replacement use convenient, makes this type of products are widely accepted by users by the family, under the same illumination conditions choice to replace the traditional lighting.
Q:LED what is the glue between the aluminum base of the bulb and the cooling aluminum?
A lot of sticky glue can live it yourself have not tried to guess 502 good brothers of this kind of glue can be, but do not know good heat resistance and high power LED heat is still very large, if you are a small power never mind
Q:LED what does "A60" mean by bulb 60? And what does "MR16" mean?
The diameter is 60mm, but the total length of each company is not the same

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