Q. Hi, I have pupils doing a school project on Planck's constant. Is it possible to get the wavelength of this LED?
A. Hi Ken, thank you for your question. Approximately 640nm.
This T1 3/4 (5mm) 1.85V 1000mcd super bright red LED from Kingbright employs the latest technology to produce a lamp that is highly visible and therefore suitable for a wide variety of applications.
The rugged design adds to the long life reliability. Overall, these LEDs, along with low power consumption, offer excellent value and are a clear leader in their field.
Rapid Electronics are Kingbright''s leading UK distributor of LEDs. To find out more about the full range of Kingbright products please visit Rapid''s Kingbright page.
| LED Colour | Red |
|---|---|
| Dominant Wavelength | 640nm |
| Forward Current | 30mA |
| Lens Type | Water clear |
| Luminous Intensity | 900mcd |
| Forward Voltage | 1.85V |
| Viewing Angle | 20° |
| Max Operating Temp | +85°C |
| Minimum Operating Temp | -40°C |
| Reverse Voltage | 5V |
| Size | 5mm |
Q. Hi, I have pupils doing a school project on Planck's constant. Is it possible to get the wavelength of this LED?
A. Hi Ken, thank you for your question. Approximately 640nm.