SMD Light Bulbs LED Series From 5W To 12W With PC Milky Shell E26 E27 B22

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smd light bulbs led series 
5W to 12W, E26 E27 B22 
PC milky shell 
good quality driver 

smd light bulbs led series from 5W to 12W with PC milky shell E26 E27 B22

 

Product Description


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Technical Specification:

Item Discription                                 smd light bulbs led series from 5W to 12W with PC milky shell E26 E27 B22
Item No.:LD-5W-E27-A50-WLD-7W-E27-A55D-W             LD-9W-E27-A60D-W      LD-12W-E27-A65D-W    
Wattage:5W7W9W12W
Size:50*96mm55*105mm60*112mm65*122mm
LampHolder: E27/E26/B22
Material: Aluminum house and glass cover
Lamp Shade: Glass cover, support milky, clear, frosted
Luminous:400±10% LM550±10% LM 710±10% LM 950±10% LM
Led Chips: 11pcs*0.5W SMD301415pcs*0.5W SMD3014  19pcs*0.5W SMD3014 25pcs*0.5W SMD3014
Input Votage: AC85V-265V or AC/DC12V
Power Factor: PF>0.5
CRI: Ra>80
Beam Angel: 360degree
CCT: 2600K-3000K, 3700K-4500K, 6000K-6500K
Working Life: >30,000H
Type: Non-dimmable or Dimmable
Package: White box or Gift box
Warranty: Two Years

 


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Q:What are the requirements of the LED series inspection specification for bulb bulbs?
Dielectric strength: electrical endurance test (resistance test) followed by insulation resistance test. During testing, the following AC voltage is applied at the specified position 1min. Type HV (220~250V); 4000V (RMS), BV (100~120V); 2U (rated voltage) +1000v.
Q:Led what's the flash of the bulb?
The internal drive of a cheap LED bulb is generally a resistance drop, and voltage fluctuations can occur in a flash. So all 100 of you are a flash.
Q:LED bulb is broken. The luminous patch is not bad. Can it be made into USB lamp?
Look at the LED in the LED bulb. Several LED are connected in series. Several groups are connected together, and then the voltage is estimated. Then the power of the bulb is divided by the voltage of the LED bulb to calculate the required current. Select the appropriate LED drive circuit. The average USB output current of the computer is only 100mA~500mA. The power is not enough to make the LED light achieve normal brightness, or it may damage the USB interface. It's better to use the USB charger interface. DIY needs circuit knowledge.
Q:Ordinary lamp LED bulb can?
Absolutely, without any effect. It can be directly across to look at the opening of several inches.
Q:What is the AC voltage of the LED bulb?
The conventional way to make multiple voltages is the 90V-240V ~50/60HZ 12V
Q:Is it possible to manually weld LED bulb bulbs?
You can ignore the effect of heat conduction and thermal grease, solder is better, I was doing a lot of tests, the thermal conductivity of thermal grease is about 1.2 to 2, aluminum more than 300, thermal grease just to fill the bottom of the LED and the aluminum substrate contact surface gap, you don't fill gaps don't hinder it the normal contact with the aluminum substrate at the bottom of the LED, will be lost, and the use of thermal grease you for about a year will have to replace the thermal grease, only unscrupulous vendors will deceive others say I added thermal grease, heat conduction effect is not fully qualified, in fact, for a long time, the potential will LED light spot the chip inside the loose because of the long-term high temperature, causing the current growing, until completely off
Q:What's the cause of the noise during the aging of LED bulb bulbs?
Either AC or DC LED lighting there will be a power module, a small hidden in the lamp body, the daily working state can produce high temperature, if the AC power supply temperature will be higher, because the lamp body appears to flicker, high temperature and long time will lead to the power supply module parts welding, weld or aging, so a lot of alternating current LED lighting the metal shell, to facilitate heat dissipation, the DC power supply is adopted to eliminate the flicker, reduces the electrical power, so the DC temperature should be low.
Q:LED bulb PC, will the white cover affect the color temperature of the finished lamp?
I've got my lighting engineer to give you a professional answerBecause the light barrier is selective for light waves, that is to say, the transmittance of light at different wavelengths is inconsistent. When the lamp cover is covered, the luminous spectrum of the light source is changed because of the filtering of the lampshade, and the color temperature certainly has certain change.Professional lampshade company should have the detection of the passing rate of different wavelengths. Is your lampshade provided by professional lampshade company?
Q:Why is 3W's LED plastic bulb so cheap on the market? Is there any drawback to the price difference between aluminum and aluminum?
The LED price of aluminum alloy 3W is probably about 30.
Q:LED bulb after the power failure, still glimmer, can last hours or even all day, what is the reason?!
Because LED's normal luminous current is 20MA, and LED has a weak current, it can emit light. According to this source. Maybe your line is just on the zero line. This will lead to a small leakage current flows through the LED lamp.Try offline.

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