Bulb Light / C21BB-BE/C21BB-CE

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 pc

Supply Capability:: 10000 pc/month

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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

Technical Parameters

Model	Input Voltage	Wattage	Luminous Flux	Lifetime(h)	CRI	CCT	Operating Temp
C21BB-BE26-2.8W	AC 90～132V	2.8W	250lm	35000	80	3000K/5000K	-20℃～+50℃
C21BB-BE27-2.8W	AC 180～264V	2.8W	250lm	35000	80	3000K/5000K	-20℃～+50℃
C21BB-BE26-4.8W	AC 90～132V	4.8W	480lm	35000	80	3000K/5000K	-20℃～+50℃
C21BB-BE27-4.8W	AC 180～264V	4.8W	480lm	35000	80	3000K/5000K	-20℃～+50℃
C21BB-CE26-7.8W	AC 90～132V	7.8W	800lm	35000	80	3000K/5000K	-20℃～+50℃
C21BB-CE27-7.8W	AC 180～264V	7.8W	800lm	35000	80	3000K/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

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

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

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: 10 points, Baidu wants to be a LED engineer. LZ is a real budget man

Q:What is the 15 Watt lumen of the LED bulb?: Each brand has different bulb qualities, probably around 1W between 60-85LM/W.

Q:Will the power of the LED bulb grow longer and longer? Why?: Voltage problems, as well as unstable factors.Long time no change, should

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

Q:How does the LED bulb go with the power?: Generally we use the LED lights, 1W, 2W, 3W, 12W, and so on, the factory has been set in advance, directly connected to the 220 volt power supply can be, and do not need to be so complicated.

Q:LED bulb lamp drive power electrical connection, will delay a few seconds before the lamp light, and power creaks, who know what it is!: How many seconds delay? It won't take so long. How many bulbs do you usually soak in 0.5 seconds? A squeaky noise is usually a transformer or inductance whistle, and at least it shows a poor manufacturing process.

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?: If the material with better thermal conductivity, the lamp shell about 60 degrees is best.Reason:1: if the temperature is too high, that your radiator is too small.2: if the temperature is low, indicating that your calories did not lead out. (of course, if the radiator is too large and the temperature is low, but the bulb and tube are too heavy to pass by certification)

Q:What material is applied to the glass cover of the LED bulb? Can reach 90% of the light, can not see the inside of the lamp. Who knows, thanks for telling!: The milk white paint can't see light, but the transmittance is only eighty percent a few. At present, the market has not seen in line with the economic benefits of such LED ball bubble glass cover, can reach ninety percent transmittance. If any brother finds it, please let us know. We also want it very much. Oh, thank you.

Q:How to choose the bulb power?: If it is household, choose the separation side, because the separation type is relatively safe, easier to pass through safety regulations, but the cost is relatively high, but suitable for home use.

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