CE approved 4W LED Bulb
- Ref Price:
-
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 5000/pcs PCS/month
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CE approved 4W LED Bulb
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-SDMR |
| Power Consumption | 4W |
| Base | E26,E27,B22 |
| LED Source | Epistar SMD2835 |
| Input voltage | AC88-265v |
| Material | Aluminum+ PC cover |
| Dimension | Φ 50*82mm |
| Luminance Flux | 280-320LM |
| 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 |
Application
Illumination lighting for homes, offices, restaurants
,Display lighting for the articles in your stores and
shops
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
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
- Q: LED bulb PC, will the white cover affect the color temperature of the finished lamp?
- The chip may damp, no air humidity warehouse management process; or the chip in the assembly process by foreign influence, the lampshade is removed, and then measured once in the color of the aluminum plate radiator
- Q: LED what is the glue between the aluminum base of the bulb and the cooling aluminum?
- It's best to use heat conductive glue, such as ST922.
- 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
- Q: LED bulb with what type of LED beads?
- The LED bulb is mainly white and warm white two colors are white, the temperature is generally 6000-6500K color, the color of the sun light at noonWarm white temperature is 2700-3000K, yellow, similar to the sunset color temperature.
- Q: I want to ask for high power LED bulb lamp wire inexplicably broke, and in large quantities. Is the quality of the lamp?
- The second continued the problem: welding line, this work continued not done!
- Q: LED can the bulb be used in the bathroom?
- Kitchen lighting bathroom and kitchen with special waterproof, but the working voltage of LED is low, LED lamp is also a big problem in the use of a water vapor environment, general heat sink should be no problem, is such as the use of aluminum shell, like plastic shell can not, because they on the cold and hot air convection cooling, casing is provided with a hole for air inside and outside the exchange, will put into the high-pressure part of water vapor driven, it will affect the service life.
- Q: Will the power of the LED bulb grow longer and longer? Why?
- Could you tell me the measurement method? - how about the side current and voltage? Or, whether direct measurement of active power under mains power supply?Also, can you tell me the circuit of LED bulb? DC power supply or AC power supply? Constant current module drive or RC current limiter? If the power supply is 12 volts low, is the resistor only current limiting?I feel something doesn't make sense......In one case, the longer the duration of the LED bulb, the greater the power:In some advanced LED bulb bulbs, an anti impact "slow start" circuit is added to the design, and a NTC (negative temperature coefficient) resistor is incorporated into the LED power supply circuit.Because of the larger resistance of NTC in cold state, the current of LED is smaller and the power is relatively small;With the use of electricity LED bulbs, NTC resistance temperature gradually increased, the resistance is reduced, the current of LED is also increased, so the power LED bulb also increases, temperature stability, until NTC resistance unchanged so far.
- 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: What's the difference between a glass cap for a bulb and a PC hood?
- 1, impact strength comparisonPC and glass is the biggest difference resistance shock, PC is transparent plastic, the most resistant to impact, smashing not broken.Similarly, PC is 200-300 times the impact resistance of glass. PC is 30-50 times the impact strength of PMMA acrylic.
- 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?
- Of course, the hotter the better, because for the same material, the hotter it is, the more heat the LED chips use, the less good the quality of the chips. The thermal characteristics of lamps is mainly to measure the junction temperature of LED Shenglai rather than the temperature of heat sink. Aluminum is commonly used in heat dissipation materials.
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CE approved 4W LED Bulb
- Ref Price:
-
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 5000/pcs PCS/month
OKorder Service Pledge
OKorder Financial Service
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