Common Cathode
Todays deals on Common Cathode?
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10000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $1,619.99 |
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10000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $1,619.99 |
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10000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $1,619.99 |
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5000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $899.99 |
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5000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $899.99 |
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5000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $899.99 |
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3K PCS SCHOTTKY COMMON CATHODE DIODE #20CTQ045 45V/20A $600.00 |
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1000X 10mm Manual Control DIFFUSE RGB LED Common Cathod $409.99 |
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1000X 10mm Manual Control DIFFUSE RGB LED Common Cathod $449.99 |
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5000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $399.95 |
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5000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $399.95 |
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5000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $399.95 |
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1000 X 10mm 4pin Tri-color Diffused RGB Common Cathode LED $263.20 |
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1000PCS x 10mm 4 PIN Diffused Common Cathode RGB LED Red/Green/Blue $250.00 |
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1000 pcs 10mm 4pin RGB Common Cathode Red Green Blue LED $243.60 |
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1000PCS X 10mm 4 PIN Common Cathode RGB LED Water Clear Red/Green/Blue $199.00 |
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1000x 10mm RGB LED; Common Cathode Diffused SuperBright $327.70 |
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2000 X 5mm tri-color RGB Red/Green/Blue Common Cathode $220.00 |
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4000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $319.96 |
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4000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $319.96 |
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4000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $319.96 |
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1000X 5mm 8Kmcd 4 Pins Common Cathod MultiColor RGB LED $309.99 |
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1000 PCS 5mm 8Kmcd Common Cathode DIFFUSED RGB LED F/R $309.99 |
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1000X 5mm 8Kmcd 4 Pin Common Cathod MultiColor RGB LED $309.99 |
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1000 PCS 5mm 8Kmcd Common Cathode DIFFUSED RGB LED F/R $309.99 |
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1000 5mm Piranha Super Flux RGB LED Common Cathode LED $240.00 |
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1000PCS X 8mm 4 Pin Common cathode RGB LED Red/Green/Blue/ RGB light Water Clear $199.00 |
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1000 Pcs 5mm tri-color RGB diffused LED common Cathode $180.99 |
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2100 X 5mm tri-color RGB Red/Green/Blue Common Cathode $10.00 |
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1000PCS X 5mm Straw Hat 4Pin diffused Common Cathode RGB LED Red/Green/Blue $149.00 |
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2000 PCS Dual Color Led 5mm Green & Red Common Cathode 3P /FREE Registered Mail $244.99 |
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3000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $239.97 |
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3000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $239.97 |
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3000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $239.97 |
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1000 5mm Straw Hat Red/Green/Blue LED Common Cathode $135.00 |
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500X 10mm Manual Control DIFFUSED RGB LED Common Cathod $199.99 |
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500X 10mm Manual Control DIFFUSED RGB LED Common Cathod $229.99 |
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1000P x 5mm Straw Hat 4 Pin Common cathode RGB Led 160-180 deg Red Green Blue $125.00 |
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10pcs 5 inche 1 digit led display 7 seg segment Common cathode 阴 blue $195.99 |
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1000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $199.99 |
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500 X 10mm 4pin Tri-color Diffused RGB Common Cathode LED $139.80 |
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1000 X 5mm 4 Pins RGB LED common cathode free shipping $195.99 |
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1000Pcs 5mm tri-color Red/Green/Blue LED common Cathode $93.00 |
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600 5mm tri-color RGB Red/Green/Blue LED Common Cathode $98.90 |
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500PCS x 10mm 4 PIN Diffused Common Cathode RGB LED Red/Green/Blue $136.00 |
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500 PCS 1 Digit 0.56″ RED 7 SEGMENT LED DISPLAY COMMON CATHODE 10 Pins/FREE Re.M $189.99 |
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500 PCS 1 Digit 0.56″ GREEN 7 SEGMENT LED DISPLAY COMMON CATHODE 10 Pin/FREE RM $189.99 |
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1000 5mm 4pin Tri-color Diffused RGB Common Cathode LED $85.50 |
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500 pcs 10mm 4pin RGB Common Cathode Red Green Blue LED $129.20 |
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500PCS X 10mm 4 PIN Common Cathode RGB LED Water Clear Red/Green/Blue $125.00 |
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1000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $179.99 |
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1000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $179.99 |
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1000 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $179.99 |
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500pc 10mm RGB LED; Common Cathode Diffused SuperBright $170.95 |
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500PCS X 8mm 4 Pin Common cathode RGB LED Red/Green/Blue Water Clear $119.98 |
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1000 X 5mm tri-color RGB Red/Green/Blue Common Cathode $169.90 |
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500 X 5mm Piranha Super Flux RGB LED Common Cathode LED $149.00 |
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500pcs Diffused 5mm 4Pin Common Cathode RGB LED 8Kmcd $162.50 |
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2000,5mm Bi-Polar Common Cathode Yellow/Green Led,YG5L $159.99 |
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500X 5mm 8Kmcd 4 Pins Common Cathod MultiColor RGB LED $159.99 |
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500 PCS 5mm 8Kmcd Common Cathode DIFFUSED RGB LED F/R $159.99 |
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2000,5mm Bi-Polar Common Cathode Yellow/Green Led,YG5L $159.99 |
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500X 5mm 8Kmcd 4 Pins Common Cathod MultiColor RGB LED $159.99 |
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500 PCS 5mm 8Kmcd Common Cathode DIFFUSED RGB LED F/R $159.99 |
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2000,5mm Bi-Polar Common Cathode Amber/Blue Led,YB5L $159.98 |
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2000,5mm Bi-Polar Common Cathode Amber/Blue Led,YB5L $159.98 |
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2000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $159.98 |
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2000,5mm Bi-Polar Common Cathode Green/Blue Led,GB5L $159.98 |
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1000 pcs 5mm 4pin RGB Common Cathode Red Green Blue LED $78.50 |
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1000pcs 5mm Common Cathode RED GREEN BLUE RGB LED + R $90.90 |
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10pcs 4 inche 1 digit led display 7 seg segment Common cathode 阴 blue $145.99 |
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1000pcs 5mm 4 PIN Common Cathode RED GREEN BLUE RGB LED $20.90 |
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2000,3mm Bi-Polar Common Cathode Green/Blue Led,GB3L $149.99 |
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2000,3mm Bi-Polar Common Cathode Yellow/Green Led,YG3L $149.99 |
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2000,3mm Bi-Polar Common Cathode Green/Blue Led,GB3L $149.99 |
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2000,3mm Bi-Polar Common Cathode Yellow/Green Led,YG3L $149.99 |
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1000PCS 4 PIN 5mm RGB Red\Green\Blue Common Cathode LED $99.00 |
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300X 10mm Manual Control DIFFUSED RGB LED Common Cathod $124.99 |
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300X 10mm Manual Control DIFFUSED RGB LED Common Cathod $144.99 |
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500P X 4Pin 5mm Straw Hat diffused Common Cathode RGB LED Red Green Blue 120Deg $99.00 |
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500x 5mm RGB LED; Common Cathode Diffused 8kmcd TLC5940 $119.96 |
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10pcs 3 inche 1 digit led display 7 seg segment Common cathode 阴 blue $115.99 |
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500 5mm Straw Hat Red/Green/Blue LED Common Cathode RGB $80.00 |
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500PCS x 5mm 4 Pin Straw Hat Common cathode RGB Led Red Green Blue deg 160-180 $118.00 |
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500 pcs 5mm Common Cathode RED GREEN BLUE RGB LED + R $25.00 |
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500 pcs 5mm 4 PIN Common Cathode RED GREEN BLUE RGB LED $25.00 |
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160, 0.8’7 Segment RED LED Display Common Cathode,26A $112.00 |
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160, 0.8’7 Segment RED LED Display Common Cathode,26A $112.00 |
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160, 0.8’7 Segment RED LED Display Common Cathode,26A $112.00 |
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500 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $109.99 |
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500 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $109.99 |
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500 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $109.99 |
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500 pcs 5mm RGB LED 4000mcd Common Cathode & Free R $99.99 |
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500X 5mm 4pin Tri-color Diffused RGB Common Cathode LED $45.50 |
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PKG100, 1′ 7 Segment RED LED Display Common Cathode,25A $99.49 |
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PKG100, 1′ 7 Segment RED LED Display Common Cathode,25A $99.49 |
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PKG100, 1′ 7 Segment RED LED Display Common Cathode,25A $99.49 |
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250PCS piranha 5MM RGB LEDs.Common Cathod $99.39 |
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300pcs Diffused 5mm 4Pin Common Cathode RGB LED 8Kmcd $98.50 |
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200X 10mm Manual Control DIFFUSED RGB LED Common Cathod $81.99 |
Common Cathode Questions
Common Causes For Digital Signage Failure
With quite a high initial outlay, digital signage is never cheap to install and planning a return on this initial investment is vital before embarking on any digital out of home (Dooh) campaign.One thing that can really scupper the best thought out digital signage strategy is the failure of units once they are installed. Having to replace screens can dramatically alter the running costs of a digital signage campaign and if screen failure becomes a common occurrence, any return on investment may get more and more difficult with each added failure.
Ensuring the devices do not fail and that you get the maximum from the initial investment can drastically increase the chances of getting a ROI and making the entire campaign a success. Here are some of the most common reasons LCD screens and other devices fail in a digital signage campaigns.
Over Heating
Over heating is perhaps the most common cause of LCD and plasma screen failure. So many different components inside a modern LCD screen are vulnerable to excessive heat. Capacitors are the main culprit in an overheating failure and are very susceptible to heat build up as are invertors and many other components.
Preventing overheating is crucial for digital signage systems both indoors and out. Ensuring airflow and somewhere for the heat to disperse such as vents or louvers is essential to prevent overheating and ensuring the unit will continue operating. All digital signage or LCD enclosures should contain fans or other air flow systems to provide this heat dispersal.
Lack of weather protection
Outdoor digital signage can often fail because of a lack of protection from the elements. Waterproof LCD enclosures should be manufactured to a recognised standard such as NEMA 4 or IP54 to ensure protection against rainfall and other hostile elements such as dust.
Consideration also has to be given to cold temperatures. Whilst heat is an electronic devices main enemy, extreme cold can be just as damaging as any internal humidity or condensation can freeze in causing expansion and damage to components. Any outdoor digital signage placed in sub zero temperatures needs some sort of heater system in the signage or LCD enclosure.
Back Light failure
LCD flat screen TVs are commonly back–lit by cold cathode fluorescent lamps (CCFL) which are often the cause of failure. Usually CCFL’s go when there is a fault with other components such as the inverter, capacitors or power supply. However, more LCD screens are being produced with back-lit LED systems that not only are far more reliable, they also use a lot less power and produce far less heat.
Deliberate Damage
Sadly, vandalism is a common cause of screen failure and ensuring any public or outdoor digital signage is protected against deliberate attack is important to prevent failure. Shatterproof screens and solid steel LCD enclosures are the best method of defending against such attacks.
About the Author
Richard N Williams is a technical author and a specialist in the digital signage industry helping to develop outdoor digital signage and protection for plasmas. Please visit us for more information about LCD Enclosures or other digital signage solutions.
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