4U energy saving bulb - EF-9

energy saving bulb, 14 YEARS TECHNICAL MANUFACTURER, ISO CERTIFIED, CE/EMC/RoHS/SASO/GS/AK, VOLTAGE RANGE:90-137V 175-277V - details see: https://www.lightinghere.com/4u-energy-saving-bulb-10017075
Place of Origin: Zhejiang China (Mainland)Brand Name: OEMModel Number: EF-9Principle: CFL
Shape: UBase: E27/B22Tube Powder: Tri phosphor A classItem: 4U
Power: 11W/13W/15W/18W/20WFrequency: 50Hz/60HzTube Dia: 9mmLifetime: 6000hr/8000hr/10000hr
Energy Class: A Class,energy saving 80%Color temperature: 2700K/4100K/6500KCertificates: CE/EMC/RoHS/SASO/GS/AK/ISO9001:2008 
4U energy saving bulb
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4U energy saving bulb EF-9

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Detailed electrical paramenters as follows:

WattVoltageFrequencyTemperatureLife timeBaseALL-L1L1
11w220-240/110-13050/602700/4000/56006000-8000E27/B2247832855
13w220-240/110-13050/602700/4000/56006000-8000E27/B2247933855
15w220-240/110-13050/602700/4000/56006000-8000E27/B22471034855
18w220-240/110-13050/602700/4000/56006000-8000E27/B22471135855
20w220-240/110-13050/602700/4000/56006000-8000E27/B22471236855
23w220-240/110-13050/602700/4000/56006000-8000E27/B22471337855

SPECIFICATION

SpecificationCandle lamp
ModelEF-9
Tube Diameter9mm(3U)
Tube PowderTri-phosphor powder Class A
Plastic part materialAnti-flaming high intensity PBT
Base TypeE26/E27/B22
Base materialCopper plating nickel, aluminum nickel plating, copper plating nickel free welding, aluminum nickel plating free welding
Voltage Range100~130V200~240V
The lowest Voltage90V170V
The highest Voltage140V260V
Frequency50-60 Hz
The lowest starting temperature-20°C ~15°C
Color Temperature2700K (WL) 4100K (CL) 6500K(DL)
Luminous Efficiency60-62 Lm/w(bare tube)
Color Rending IndexRa≥80
Power Factor0.55-0.96
Lifetime6000h 8000h 10000h
Package waysColor box+Carton/Blister+Carton/According to your disign
MOQ1000pcs
Energy ClassClass A
Payment waysTT/LC
Product feature

Energy saving:Saving energy much more 85% than incandescent lamp, The brightness is 5 times of incandescent lamp;

Pro-environment:Adopt RoHS material,the light is soft more close to natural light,high luminous flux

Security Performance:Adopt advanced electronic circuit,use famous electronic components,complete process,strict quality control

CIRCUIT DIAGRAM

STRUCTURE CHART

PHYSICAL STRUCTURE CHART

PRODUCTION PROCESS FLOW DIAGRAM

SPECTROSCOPY

INSTRUMENTATION

LIFE TEST

WORKSHOP

CONTAINER

CERTIFICATES

Packaging Detail:white box + carton; color box+ carton; blister packing + carton; According to your requirment design package
Delivery Detail:20-45days after receipt of deposit or L/C issued

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