TruOpto OSTIMA3132A 3mm Rainbow LED Colour Cycling Diffused

TruOpto
MPN
OSTIMA3132A
Brand
TruOpto
Order Code
55-1907
Country of Origin
China
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100+ £0.850
500+ £0.529
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Despatched same day - 994 in stockAdditional quantity lead time 5 months

Innovative, eye catching rainbow 3mm LED that contains an inbuilt IC that causes the LED to cycle through the red, green and blue elements, individually and then in combination. Colour cycles every 33 seconds. Diffused lens type.


  • Manufacturer's part OSTIMA3132A
LED Colour RGB
Dominant Wavelength 624 (red) / 525 (green) / 470 (blue)nm
Forward Current 20mA
Lens Type White diffused
Luminous Intensity 2500 (red) / 2500 (green) / 1500 (blue)mcd
Forward Voltage 5V
Viewing Angle 30°
Max Operating Temp +85°C
Minimum Operating Temp -30°C
Reverse Voltage 5V
Size 3mm

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Questions

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Question by: Product code: 55-1907

Q. Do you need to use a resistor with these leds ?

A. Thanks for your enqury. For all LEDs the Vf figure is the important voltage, a resistor is only required if the supply voltage exceeds this in order to “lose” the excess voltage. To calculate a resistor value use the formula R (resistor) = Vs (supply)-Vf (led) divided by the current required (usually approx 80% of Imax) in this case use 20mA. The resistor power rating will depend on the amount of energy it is required to disperse, the higher the voltage the higher the power value – Voltage (across resistor) X Current.

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