Our company has a group of experienced employees, with scientific product positioning design, high quality and low price 1 watt smd, cob 300w, rgbw led. Since the establishment of our company, we have always explored the road of industrial development with revolutionary and leaping innovative ideas. Our company has a dedicated technical support team and an efficient service network. We will use professional casting quality, integrity to drive win-win and share the prosperity of the Internet era with you.
Epistar smd 5050 cool white
●Redefine performance,cost and size of led lighting.
●Enable new design previously not possible
●Dramatically increase performance and reduce size.
●Optimized for lumen&LPW flexibility. Automated assembly.

Product Specification
Parameter | Symbol | Conditions | Min | Avg. | Max | Units |
Forward Voltage | VF | IF=750mA | 6.20 | -- | 6.60 | V |
Thermal Resistance Junction To Board | RΘJ-B | IF=750mA | -- | 8 | -- | °C/W |
Luminous Flux | Φv | IF=750mA | 650 | 700 | lm | |
Color Temperature | CCT | IF=750mA | 6500 | 7000 | K | |
CRI | Ra | IF=750mA | 70 | -- | -- | -- |
Temperature Coefficient of Forward Voltage | ∆VF/∆T | IF=750mA | −− | -2 | −− | mV/°C |
Reverse Current | IR | VR=10V | −− | −− | 10 | μ A |
Viewing Angle [1] | 2Θ1/2 | IF=750mA | −− | 120 | −− | Deg |
Electrical/Optical Characteristics--White (At TA=25°C)
Product Test Report
Packing Method
Normal packing Quantity: 1000pcs/reel in vacuum bag.

Reel Specifications

Moisture Resistant Packaging

Shipping Method
Delivery time:
Order Qty<500.000pcs, 3-7 workdays.
Order Qty>500.000pcs, 7-12 workdays.
Order Qty>2000.000pcs,12-20 workdays.
FAQ
Q: What’s your product range?
A:Our main products include:
·COB LED 2-400W
·Compact SMD LED 0.06W-5W
·Integrated Flip Chip LED Module 3-500W
·Power LED 1-5W
·R.G.B LED or RGB/RGBW LED 1-100W
Q: What’s the highest efficiency of your smd led.
A: For SMD5050 LED, highest efficiency is 220lm/w.
For SMD3030 LED, the highest efficiency is 200lm/w .
For SMD2835 LED, the highest efficiency is 195lm/w
Q: what’s your guarantee terms roughly.
A:Customers provide pictures of the failed products or the samples rejected, the engineer will analyze the failure and find out the reasons. If the failure was caused by the product quality, we will compensate with qualified replacement!
Q: what’s your mainly market ? which product is the most hot sale in your company.
A: Right now we have around 60% domestic business in Mainland China.other 40% of oversea business is mainly from Countries like USA, France. Russia, Poland, Argentina. India Turkey and some other middle east countries.
Currently the hot sale product are high efficiency SMD led, such as SMD5050 LED, SMD3030 LED, and SMD3535 LED in White color and other colors such as uv, ir, rgb.
Besides of this ,cob led form 10-100watt is also very welcome by our old clients.
Material&Equipment Supplier
Since the year 2009, GMKJ has singed with famous leading chip brand US BRIDGELUX Inc and Taiwan Epileds. As strategic business partner of them, GMKJ has priority to get best chips as raw materials from them.
Beside of this, GMKJ are insist to use first class materials such as Heraeus Gold wire and dow-corning silicon glue. With these excellent materials, GMKJ ensure that the LEDs products has a reliable and stable performance.

Company Introduction
Guangmai Electronics Co., Ltd. Specialize in LED Production From 2009.
Main products are 3030 SMD LED, 5050 SMD LED,2835 SMDLED, COB LED 3WATT-100WATT, and high power led 1-5watt.
Based on Our High Quality and Excellent Service, We Now Become Top 10 LED in Shenzhen, Top 100 Manufacture in China.
We Offer 3-4 Years Warranty for all of Our Products. Pls rest assured that GM company will be your best LED Supplier.
GM Company Service
Our Service:
1. PCB design & Reflow soldering service
2. COB/LED/Drivers customization
3. Mold development (Plastic injection & Die casting)
4. Representatives in the UK, Korea and Czech.
5. ISO9001-2008, SGS, TUV, BV, CNAS accredited laboratory & Optical Lab.
Quality as the core, and we will continuously customize high-quality Colorful RGB AC RC SMD 5050 60d LED Strip Light Bulb restaurant Decoration solutions for you. Now the competition in this field is very fierce; but we will still offer best quality, reasonable price and most considerate service in an endeavor to achieve win-win goal. Our practice of "full worry-free and advanced service" has won high recognition and praise from our customers.
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