Product Details

2015 New Filament chip warm white 4W E27 a19 led bulb

Product Description

2015 New Filament chip warm white 4W E27 a19 led bulb Main Features

1. Used Epistar LED, Uniform light, long lifespan, low power consumption, high light efficiency and energy saving.

2. High-precision wide voltage constant current circuit, no flicking.

3. Compliable to CE,RoHS,ERP,UL and LM79.

4. With traditional incandescent lamp design, it can be easily accepted by common people.

5. With 270° beam angle.

6. Can achieve the traditional incandescent lamp spectral curve.

7. Vacuum induction gas cooling mode for the protection of LED filament.

2015 New Filament chip warm white 4W E27 a19 led bulb General Characters

Rated power	4W
Light source	4pcs
Socket	E26/E27/B22
Input voltage	93-132VAC/176~264VAC/50~60Hz
Lumen	470lm
Efficacy	≥120lm/w
CCT	2725K±145K	6500K±750K
Ra	≥80
Beam angle	<270°
Power factor	≥0.5
Work temperature	-20℃~40℃
Size	Φ60mm×110mm(±1mm)
Net weight	43g
Lifespan	30,000hrs

Rated power	2.5W
Light source	4pcs
Socket	E12/E14/E26/E27
Input voltage	AC93-132V/AC 176~264V/50~60Hz
Lumen	250lm
Efficacy	≥115lm/w
CCT	2725K±145K	6500K±750K
Ra	≥80
Beam angle	<270°
Power factor	≥0.5
Work temperature	-20℃~40℃
Size	Φ35mm×110mm(±1mm)
Net weight	30g
Lifespan	30,000hrs

2015 New Filament chip warm white 4W E27 a19 led bulb Dimension

2015 New Filament chip warm white 4W E27 a19 led bulb Test Report

Advantages

1, This lamp own 3 years warranty;

2. The inside gas is nitrogen, as you know, 80% of the air we breath is it, no harm or pollution to the enviroment;

3. The lifespan will be more than 50000 hours, exactly to say everyday it works at 8 hours under normal condition, 3 years are 365days, each day with 8 hours, totally will be 8760 hours;

4, Touse glass substrate, better than copper, ceramic and aluminum's in market;

5. Good package for delivery, we ever tested that, it does not broken when droped from 2 meters height;

6. Weldingfirm more than other cheap factories, the lamp still keep lighting even if you knock it several times at your hands

7. Approved many certificates almost all the coutries required, like CE, ROHS, ERP, TUV, UL, LM79.

Detailed Images

Chroma Parameters

Chroma Coordinate	x=0.4678 y=0.4171 u′=0.2654 v′=0.5328
Color Temperature	2638.178K
Main Wavelength	583.804nm
Purity	66.312%
Peak Wavelength(V)	604.500nm
Peak Wavelength(IR)	1036.750nm
Half-Width	687.671nm
SDCM	4.5533
Ra	80.683

Photometric Parameters

Luminous Flux	47.1203lm
Efficacy	120.0808lm/W
Radiation Flux(V)	1.3456W
Radiation Flux(IR)	0.0282W

Electrical Parameters

Voltage	230.00V
Current	0.034A
Power	3.965W
Power Factor	0.507
Frequency	50.000Hz

Typical Applications

1. Home and office lighting
2. Commercial and industrial lighting
3. School and college lighting
4. Showcase lighting, bar lighting, display case accent, artwork lighting, mood lighting, and amusement park accent
5. Warehouse lighting, hotel and restaurant lighting
6. Dresser lighting

6. Dresser lighting

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Certifications

CE,ROHS,TUV,ERP,UL,LM79