Bulb Light / C21BB-BE/C21BB-CE

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100 pc
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10000 pc/month

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Item specifice:

Color Temperature: 3000k/5000k Lamp luminous flux(lm): 250-800 Body material: other
Base type: E27,E26 Power(W): 2.5-15 Certification: other
Working Temperature(℃): -20~+50 PF: ≥0.9 Input voltage(V): AC 90-264
CRI (Ra>): ≥80 Warranty: three years IP Rating: IP20

Product Description:

The LED bulb is a high-end light source with high luminosity long life and high energy savings. 

 

It uses a unique and innovative cooling design, imported LED source and long life power.

 

 It is efficient and eye protective, energy saving. It is excellent for use in residential homes,

 

supermarkets, hotels and accommodations, and other locations

 

 

Product Features

 

Environmentally-friendly and energy saving

 

No flicker for better eye protection

 

No electrolysis power design 

which greatly prolongs the life

 

Through-way air flow heat sink design 

with higher heat exchange efficiency

 

Integrated thermal design reduces the

thermal resistance of the LED heat sink

 

 

Type of Application

 

Residential homes

 

Commercial buildings

 

Supermarkets

 

Showrooms

 

Bulb Light   /   C21BB-BE/C21BB-CE         Bulb Light   /   C21BB-BE/C21BB-CE

 

 

Technical  Parameters

 

 

ModelInput VoltageWattageLuminous FluxLifetime(h)CRICCTOperating Temp
C21BB-BE26-2.8W AC 90~132V2.8W250lm35000803000K/5000K-20℃~+50℃
C21BB-BE27-2.8WAC 180~264V2.8W250lm35000803000K/5000K-20℃~+50℃
C21BB-BE26-4.8WAC 90~132V4.8W480lm35000803000K/5000K-20℃~+50℃
C21BB-BE27-4.8WAC 180~264V4.8W480lm35000803000K/5000K-20℃~+50℃
C21BB-CE26-7.8W AC 90~132V7.8W800lm35000803000K/5000K-20℃~+50℃
C21BB-CE27-7.8WAC 180~264V7.8W800lm35000803000K/5000K-20℃~+50℃

 

 

Size Chart(mm)                                                                        Light Distribution Curve

C21BB-BE27-2.8W/C21BB-BE26-2.8W                                                                                                                           C21BB-BE27-2.8W/C21BB-BE26-2.8W

 

Bulb Light   /   C21BB-BE/C21BB-CE         Bulb Light   /   C21BB-BE/C21BB-CE Bulb Light   /   C21BB-BE/C21BB-CE

 

 

C21BB-BE27-4.8W/C21BB-BE26-4.8W                                                                                                                          C21BB-BE27-4.8W/C21BB-BE26-4.8W

Bulb Light   /   C21BB-BE/C21BB-CE        Bulb Light   /   C21BB-BE/C21BB-CE  Bulb Light   /   C21BB-BE/C21BB-CE

 

C21BB-CE27-7.8W/C21BB-CE26-7.8W                                                                                                                     C21BB-CE27-7.8W/C21BB-CE26-7.8W

Bulb Light   /   C21BB-BE/C21BB-CE        Bulb Light   /   C21BB-BE/C21BB-CE  Bulb Light   /   C21BB-BE/C21BB-CE

 

 

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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?
There are several cases of flashing lights:There is one to three flashes when the switch is switched off. This is due to an incomplete discharge of the electrolyte in the power supply.The power supply is flashing fast. This is the quality of the power supply problems, there are many specific reasons.It is found that the design of the power supply is related to the structural design of the lamp due to the insufficient margin of the power supply and the increase of temperature!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.
Q:LED bulb is broken. The luminous patch is not bad. Can it be made into USB lamp?
Cannot connect directly. LED bulb is usually a series of LED series, and then parallel, generally about 12V. Single chip LED generally rated voltage at 3.0V~3.6V, USB, output voltage of about 5.0V.
Q:Will the power of the LED bulb grow longer and longer? Why?
The LED bulb does not become more powerful for extended periods of time.
Q:What's the reason for the LED bulb strobe?
Common causes and treatment of LED light flashing:Generally, the human eye can detect light flashes with frequencies up to 70 Hz, which are not sensed above this frequency. Therefore, in LED lighting applications, if the pulse frequency appears below 70 Hz low-frequency components, the human eye will feel flashing. Of course, in specific applications, there are a variety of factors that may cause LED lights to flicker. For example, in offline low power LED lighting applications, a common power topology is an isolated flyback topology.
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:How to choose the bulb power?
If the public is not high, the quality requirements, and to control the price, you can choose non isolated, because it does not require isolation transformer, so the cost is relatively low, but the aluminum substrate voltage requirements is relatively high, otherwise there may be charged radiator, and still light outside is not very beautiful.
Q:Is it possible to manually weld LED bulb bulbs?
As long as the welding technology clearance is possible or OK
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:Can the bulb's true life reach 30000~50000 by LED?
LED bulb is a new type of energy saving lamp to replace traditional incandescent bulb. The traditional incandescent lamp (lamp) of high energy consumption, short service life, in the global resource environment, has been gradually by governments to ban the production, instead is the product of electronic energy-saving lamp, electronic energy-saving lamp while improving the energy saving effect, but because of heavy metals using a lot of pollution of the environment, trend against the environment protection. With the rapid development of LED technology, LED lighting has gradually become the best choice for new green lighting. LED is far superior to traditional lighting products in light emitting principle, energy saving and environmental protection

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