wholesale led bulb 3W E27

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Loading Port:: Shekou

Payment Terms:: TT OR LC

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Supply Capability:: 5000/pcs pc/month

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1.Epistar 2835 LED,high brightness

2.Two solutions:IC and constant current dirver

3.Dimmable is aviable

4.2years warranty,CE&ROHS approved

Specification

Light type	LED Blub
Item NO.	CLSB-001-SDMD
Power Consumption	3W
Base	E26,E27,B22
LED Source	15pcs Epistar SMD2835
Input voltage	AC88-265v
Material	Aviation aluminum+ PC cover
Dimension	Φ50*90mm
Luminance Flux	240-260LM
Light efficiency	90lm/w
Emitting Color	Warm White,Nature White,Cool White
Color temperature	WW:3000-3200K NW:4000-4500K CW:6000-6500K
Color rendering index(CRI)	75Ra
Beam angle	140°
Work Frequency	50 / 60Hz
Working Temperture	-20~ 40 degrees Celsius
Life Span	40,000 hrs
Dimmable	Yes
Certification	CE&RoHS
Warranty	2 years
Equal to conventional incandescent bulb	25W

Feature

1. Use original Taiwan Epistar SMD2835

2. Long life span, up to 40,000hrs

3. Eco-friendly products, NO UV;NO IR; NO mercury

4. Unique and remarkable apperance design

5. Equivalent to conventional 25W incandescent bulb

6. CE ROHS Approved, 2 years warranty

Application

Illumination lighting for homes, offices, restaurants
,Display lighting for the articles in your stores and
shops

wholesale led bulb 3W E27

Package

color box/white box +middle box+ outer carton

1 Outer carton=2 middle boxs=50pcs

1 middle box=25pcs

Shipping

Shipping Service	Estimated Delivery Time
DHL	2-8 business days
FedEx	3-8 business days
TNT	2-10 business days
UPS	1-7 business days
EMS	6-14 business days
ePacket	7-12 business days
China Post Air Mail	7-15 business days
China Post SAL	14-30 business days
Air freight	3-10 business days
By Sea	30-40 business days

Trade terms

Payment:Sample/small amount: 100% payment in advance by Paypal or T/T.

Mass amount: 30% T/T before production and 70% balance should be arranged before shipment.

Delivery time:Sample order: 3-5 working days mass order:10-12 working days

Company information

1.7-year manufacture of LED lighting

2.Ensure quality by sourcing LED from US(Cree/Semi),Korea(Samsung),Taiwan(Lumenmax,Everlight,

Epistar),ensure long lifespan by sourcing capacitor for driver from China top supplier BERYL.

3.Most products close to US Energy Star standard:Lumen maintance≥91.8% after 6000hs aging testing.

4.70% led lamp CRI>80

5.MOQ:samples order:1pcs Mass order:50pcs

6.Flexible price policy: different solutions to satisfy to different market demand

7.40000hs lifespan &2 years warranty

8.CE(EMC&LVD)&ROHS approved

wholesale led bulb 3W E27

Q:LED bulb bulbs, do you need 3C certification now?: LED bulb is not required to do 3C certification, and can not do 3C certification, LED bulb is a light source, not lamps, there is no company's LED bulb made 3C, CQC done there.

Q:The difference between an incandescent lamp, an energy-saving lamp, and an energy-saving LED bulb: 5, the three have different service life. The service life of incandescent lamp is in 1000 hours or so, the service life of energy-saving lamp is in 6000-8000 hours, and the service life of LED lamp can reach more than 30 thousand hours.

Q:LED bulb after the power failure, still glimmer, can last hours or even all day, what is the reason?!: If it is to continue the glimmer of minutes, the main side is the use of resistance and step-down circuit caused by the normal phenomenon. It's very rare for the factory to use this old model to make LED balls. Circuits that run for hours or all day on the side of the LED bubble are out of order. It's not normal to shine for so long. Now most of the LED bulb is using IC constant current supply circuit, no such situation has emerged.

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 requirements of the LED series inspection specification for bulb bulbs?: The temperature rise of the finished lamp is not more than 120K. The temperature rise is equivalent to the maximum value of 60W incandescent lamp.

Q:How to identify Ic constant current LED bulb?: Hello, LED market is now very confused, this problem is the use of LED lamps of the users are more concerned about the problem, the so-called IC constant current drive power refers to the LED lamp (commonly known as the transformer) with a constant stream of multifunctional IC chip, the IC is generally 5-8 feet (depending on the model and decision scheme), role is to ensure that the current through LED lamp is controlled in a relatively constant parameter, ensure the long-term stability of LED lamp work at constant current. When the input or output voltage is changed, the current through LED remains constant, so the constant current IC of the LED light stability and service life is directly related to the IC also includes internal short circuit protection, overtemperature protection function of open protection etc.

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:Are there any differences between negative ion bulb and LED bulb?: Negative ions should belong to traditional lighting technology, LED is the latest lighting technology

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:What's the reason why LED bulb gets a lot of heat?: LED light is a large amount of heat, more than 70% are calories. Different manufacturers are not very different

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