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White 3mm Water Clear LED - 25deg - 12500mCd, pack 10

2.2
White Mega bright Water Clear LED with a viewing angle of 25 degrees. Luminous intensity 12500mCd. Pack of 10.

Availability: In Stock.

Code1+
3587-10 £2.20
(£2.64 incl VAT)
OR
Forward voltage drop: 3.1 V
Viewing angle: 25 - 30 degrees
Max forward current: 25 mA
Luminous intensity: 10000 - 15000 mCd (@20mA)
Lens types: Water clear
No of parallel LEDs:
LED forward voltage: V
Typical LED current: mA
Battery voltage: V
 
 
Resistance (calc): Ohms
Preferred value: Ohms
Resistor colour bands:
 
Enter the operating voltage, click calculate resistor and the resistor value to work with the LED described on this page will be shown.

 

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Questions:

Posted by FLOSS NICHOLLS, Friday, 15 February 2013 on product White 3mm Water Clear LED - 25deg - 12500mCd, pack 10

Question:

If I were to use a 3v coin battery what resistor would I need? Thanks Floss

Answers:

  • Posted by Aaron Sturman on Friday, 15 February 2013
    A 3v battery won?t work with this LED as it has a forward voltage drop of 3.1V. This figure is the minimum voltage that will activate the LED.
Posted by floss nicholls, Friday, 15 February 2013 on product White 3mm Water Clear LED - 25deg - 12500mCd, pack 10

Question:

Hi If I use a 9v battery what resistor will I need? If I use 4.5v battery what resistor will I need? Its been a while since I did this and cannot remember the maths! Thanks Floss

Answers:

  • Posted by Aaron Sturman on Friday, 15 February 2013
    For a 9V battery you should use a 330 Ohm Resistor and for a 4.5V Battery you should use a 100 Ohm resistor. There is a resistor calculator on the left of product page, next to the comments section which can recommend resistors for a wide variety of voltages and numbers of LEDs.

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