| What color is it? (Wavelength
in Nano Meters (NM)) |
Blue |
470nm |
|
| What is the preferred milliamp draw? |
20mA |
|
|
| |
min |
max |
suggested |
| What is the forward voltage? |
2.8 |
3.4 |
3.2 |
| How Bright is it? Luminous Intensity
in millicandela (mcd) |
8000mcd |
|
|
| What is the 1/2 angle? (measure of
the angle of dispersion, wide or narrow beam) |
17 degrees |
|
|
| Note the relationship of the 2 above.
The mcd value of a 15 degree LED will always be higher than that of a 30
degree even though they may produce a similar amount of light. |
|
|
|
| |
|
|
|
| Supply Voltage examples |
12v |
5V |
3V (2 AA batteries in series) |
| What Resistor with 1 led? |
470 Ohm |
100 Ohm |
1.2 Ohm* |
| What Resistor with 3 leds in series? |
120 Ohm |
supply too low |
supply too low |
Xbox
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