Main Features of 4W A60 led bulb filament, filament bulb
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.
Dimension
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 | |
Test Report
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 | 476.1203lm |
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 restaurantnt lighting
6. Dresser lighting