Led Common
A look at what is currently available on eBay
 5mm RGB Full Color LED Water Clear Common Cathode 5pcs US $1.99 
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 50p 5mm 4PIN Common Anode RED GREEN BLUE RGB LED 11Kmcd US $12.99
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 10 Blue/Green/Red 5mm 4 pins Common Anode LED Bulb US $.99
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 15 Blue / Red 3 Pins 3mm Common Anode LED Light US $.99
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 15 Blue / Red 5mm 3 Pins Common Anode LED Bulb US $.99
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 15 Blue / Red 5mm 3 Pins Common Anode LEDs US $.99
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 15 Blue / Red 5mm 3 Pins Common Cathode LEDs US $.99
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 15 Red / Blue 5mm 3 Pins Common Cathode LED Light Blub US $.99
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 15 Blue / Red 5mm 3 Pins Common Cathode White Lens LEDs US $.99
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 15 Red/Blue 3mm 3 Pins Common Anode LEDs Bulb US $.99
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 15 Red / Blue 3mm 3 Pins Common Cathode LEDs Bulb US $.99
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 15 Red/Blue 5mm 3 Pins Diffused Common Cathode LED Light Bulb US $.99
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 10 Red/Green/Blue 5mm 4 Pins Common Anode LEDs US $.99
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 15 Blue / Green 5mm 3 Pins Common Anode LEDs US $.99
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 15 Blue / Green 5mm 3 Pins Common Anode LED Bulb US $.99
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 50 X 5mm Straw Hat diffused 4Pin RGB LED Common Anode US $17.99
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 500 PC 5mm 8Kmcd Common Cathode Super Flux RGB LED F/R US $199.99
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 100 pcs 5mm RGB LED 4000mcd Common Cathode & Free R US $18.99
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 100 pcs 5mm RGB LED 4000mcd Common Anode US $18.99
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 100 pcs 5mm RGB LED 4000mcd Common Cathode US $20.99
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 New 50 pcs 5mm RGB LED 4000mcd Common Anode US $10.99
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What is ucd in this LED Display 7 Segment 1 Digit 1 inch Common Cathode Ultra Green 9185 ucd?
Like what is the ucd? And wich one is better a higher or lower ucd?
9185 ucd = 9.185 mcd
the "u" is really "mu" meaning micro.
the "m" means milli
cd = candela
It's a measure of "luminous intensity", or in imprecise vernacular, how bright the display (or segment if specified) appears.
Higher numbers = brighter.
Here are some sample displays where both mcd and ucd are used:
http://www.lc-led.com/Catalog/department/45/category/74
Which is better? Depends upon your preferences.
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March 23rd, 2006 in
Uncategorized | tags: bicolor led common anode, electronics, led, led common anode, led common anode or cathode, led common cathode, led common problems, led common school movement, led common uses, rgb led common cathode, segment, social, tools, tri-color led common anode, web2.0