Asked by: Bob Ashlin
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Description
This 5mm LED is a red, green & orange LED in one package. Supplied as a pack of 25
| Forward voltage drop: | 2.1 V |
| Viewing angle: | 30 degrees |
| Max forward current: | 30 mA |
| Luminous intensity red: | 750 mCd (@20mA) |
| Luminous intensity red: | 550 mCd (@20mA) |
| Lens types: | Diffused |
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UK Deliveries
- If you live on the UK mainland and don't have any large materials or lithium batteries in your order it will cost £3.95 (£4.74 including VAT) if you spend less than £40 (£48 including VAT).
- If you spend between £40 and £200 (£48 - £240.00 including VAT, excluding large materials or lithium batteries) delivery is free to most locations, £12 (£14.40 including VAT, excluding large materials or lithium batteries) to Northern Ireland and £15 (£18.00 including VAT, excluding large materials or lithium batteries) to UK remote locations. For a list of postcodes that will be charged the remote location rate: remote area list.
- If you spend over £200 (£240.00 including VAT, excluding large materials or lithium batteries) delivery is free within the UK.
Rest of the world
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Collection
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Further Information
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Q:
How do you wire up a three legged LED?
A:
The centre lead of the LED is the common connection and should be taken to 0V. You then connect either or both of the other leads to 2.2V to give you red, green or orange. If you are using 5V or a different supply voltage you will need to add a current limit resistor. If you are only doing red or green at a time and not putting both on to get orange, then you can put the resistor between the common centre lead and 0V. If you want to turn both the red and green elements on at the same time then you should put a resistor in each lead. To work out the resistor use the calculator to the left of this comment.
Answered by: Geoff Hampson
09-Mar-12
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