孟加拉LED照明灯具客户需要cfl led light
Dear Sir/Madam,This is Md. ZahidHossain from BD.
I'm looking for products with the following specifications:
Soliciting your kind co-operation please.
BMTF Ltd
(CFL & LED Bulb Project)
Expected Quotation
For Raw Materials of CFL Bulb
TypesWattQuantity(Pcs)ItemNo.CharacteristiesPerformanceTechnical SpecificationsRequirement
8W12,000 a.Lamps Parameter :
20 W40,000 1.0 Luminous Efficiency> 50 lumens/watt
CFL26 W50,000 2.0 Lumen Depreciation< 20% Per Year
30 W70,000 3.0 Color Renderings> 80
65 W3,000 4.0 Starting Time< 1.00 Sec
Total =1,75,0005.0 Run Up Time< 5 Min
6.0 Active Power> 80% of Body Power
b.Electrical Parameter
1.0 Inverter Efficiency> 80% of Input Power
2.0 Preheat StartingShould Implement
3.0 PCB Track> 40 UM
4.0 Components Life> 10000 Hrs
5.0 Output Frequency> 25 KHz
6.0 Output Crest Factor< 2.00%
7.0 Output Wave Symmetry< 10% Deviated
8.0 Input Voltage220-240 volts
9.0 Voltage Tolerance160-250 volts
10.0 Lamp EnvelopU-Tube (2 or 3)/Spiral
11.0 Lamp BaseScrew Type
12.0 BallastElectronic (Self Ballast)
Energy Saving,
13.0 Percentage(Comparison with80% (Minimum)
incandescent lamp)
e.Gas Tube Parameter
1.0 Phosphor CoatingTin Phosphor
2.0 Tube Diameter10-12 mm
3.0 Coating/HomogeneityHomogenous
dPlastic Envelop
1.0 Plastic MaterialHeat Retardant PBT
2.0 VentilationShould Sufficient
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thanks 感谢分享。
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