We are an enterprise with strong comprehensive strength in R&D and manufacturing of led cob 300w, 6W COB LED CRI90 For Spot Light, led 2835 1w. We can provide you with high-quality products with competitive prices and 100% satisfactory service. Combined with the needs of customer service management, we design a customer service system with centralized management and decentralized service to provide a low-cost and efficient customer service management platform for the company. We will further emancipate our minds and invigorate our spirits in order to enhance the spirit of officers and entrepreneurs.
Sunlight Spectrum 40W COB LED 30V
●All the 40W Full Spectrum COB LED, its emitting diameter can against 80kg pressure
●COB Dimension same as famous brand flip chip cob led, but good price
●ENERGY STAR® / ANSI compliant color binning structure with 3 and 5 SDCM standard
●More energy efficient than incandescent, halogen and fluorescent lamps
●Product series and company logo on the front
●High PPE and PPF
●RoHS, EN62471,IEC62778
●Instant light(less than 100ns)

Product Specification
Electrical/Optical Characteristics--White (At TA=25°C)
Part No. | Power(W) | Colour | WLD(nm) | Luminous Flux(lm) | Voltage(V) | Current(mA) | Angle |
GF-40WF3-1008-C46 | 40 | Full Spectrum Pink | 380-840 | 3000-3200 | 28-34 | 1400 | 120 |
Parameter | Symbol | Conditions | Min | Avg. | Max | Units |
Forward Voltage | VF | IF=1400mA | 28.00 | -- | 34.00 | V |
Thermal Resistance Junction To Board | RΘJ-B | IF=1400mA | -- | 8 | -- | °C/W |
Luminous Flux | Φv | IF=1400mA | 3000 | 3500 | lm | |
Center coordinates | X,Y | IF=1400mA | 0.233 | 0.09 | -- | |
CRI | Ra | IF=1400mA | -- | -- | -- | -- |
Temperature Coefficient of Forward Voltage | ∆VF/∆T | IF=1400mA | −− | -2 | −− | mV/°C |
Reverse Current | IR | VR=50V | −− | −− | 10 | μ A |
Viewing Angle [1] | 2Θ1/2 | IF=1400mA | −− | 120 | −− | Deg |
Package Dimensions and Product Test Report

Packing Method
Normal packing Quantity: 16pcs/plate,10plate in vacuum bag.

Application of 40W Full Spectrum COB LED
Widely used in Plant Grow Light, Aquarium Light, Fill Light Series and so on.

Company Introduction
Shenzhen Guangmai Electronics Co., Ltd (also known as GMKJ LED, established in 2009), headquartered in Shenhzen, is one of China's leading LED packaging manufacturer with rich experience in LED Lighting industry. GMKJ Strives to bring in high-end machines for full-automatic production and aging test equipment for making itself a leading International LED production base. .
OEM Overview:
OEM/ODM services are available, we can do your own Brand as well
Our Services/Why choose Us
◆Reliable and stable quality: 100% testing for each piece. Automatic testing and bin code selection machine.
◆Well-trained and experienced staffs to answer all your inquiries in fluent English.
◆Professional service: replied within 24 hours(at workdays).
◆Advanced Equipment: ASM automatic production machines(biggest brand in LED automatic machines)
◆Delivery the goods to our customer all over the world with speed and precision.

Honour
In July 2013, rated as "Shenzhen High-tech Enterprise", "National High-tech Enterprise",
In 2014, awarded "Integrity of the Business Honor" in Baoan, Shenzhen.
In 2016, awarded "China AAA Credit Enterprise".
In 2017, accredited for "Fulfilling contract and Outstanding Credit in Guangdong province ",
In 2017, honoured "The 19th China Patent Excellence Award",
In 2017, set up Shenzhen Institute of Tsinghua University enterprise postdoctoral innovation base, Shenzhen vocational education campus public training base.
In 2018, honoured "The Famous Brand of Guangdong Province" , "Shenzhen Intellectual Property Advantages Enterprise"
granted as a deputy office of LED Standards Alliance of Shenzhen(LSA), and a member of Semiconductor Lighting Technology Standards Group of MIIT.

Our company can grasp the pulse of the market, meet the needs of customers for Waterproof Samsung LED Grow Light Hydroponic Full Spectrum Lamp Horticulture Plant Grow Light for Indoor Plant, win the market, win customers, so as to make our company develop and grow. We know that the needs of customers are our work direction and goal. We are confident to be your wise choice and look forward to your cooperation to create a better tomorrow! Our company's integrity, strength and product quality have been recognized by the industry. We will warmly welcome you to become our business partner with our high-quality service. Friends from all walks of life are welcome to visit, guide and negotiate business.
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