3mm LED Dual Colour Red Blue 3 Pin Common Cathode Super Bright UK Seller
You can illuminate Red Or Blue Or both.
Vf = 1.8v to 2.0v
If = 20mA
Colour Wavelength = 622nm
Vf = 3.0v to 3.2v
If = 20mA
Colour Wavelength = 465nm
For any led it is important to apply the correct Vf and If to the led to produce the correct colour light output, otherwise you may see colour output which is not what you may expect. We have taken the measure to test each colour and each batch of leds for correct colour output.
We test the leds by applying If =20ma to ensure the colour output is within acceptable tolerances.The If will greatly determine the colour output for any led, but remember not to apply too much current !
should always use a current limiting resisitor when powering an LED,
please see my other buyhere22 listing for suitable resistors.
Please check out our new PL9823 Programmable LEDs Just Click Here
6) When upgrading to 1st class post, (if the option is available), please note this is sent via Royal Mail and is not a guaranteed next day service. If you need a 48hr service please select 48hr delivery at extra cost. This will be sent via Royal Mail or courier. I do not offer a 24hr service. No weekend or public bank holidaydeliveries.
7) We attempt to send out all orders received before 10.00am. This excludes weekends and public holidays.
**** Important note **** Some sellers claim the stock is in the UK, please be careful, the seller is often in China and sends the item to a UK agent who then forwards the item on with a UK stamp. Check where the seller is located not just the item location. All my items are physically with me, here in the UK and I offer a quick delivery and communication within the UK.
During busy periods there maybe a delay in delivering your package by Royal Mail. I apologies in adavnce for any inconvenience but would like to point this out before you place your order.