Category: Main page

Electronics Calculators

3mm yellow

2.1 В
20 мА

matte

3mm green

2.3 В
20 мА

matte

3mm red

1.9 В
20 мА

matte

3mm blue

2.9 В
20 мА

transparent

5mm yellow

2.1 В
20 мА

matte

5mm green

2.3 В
20 мА

matte

5mm red

1.9 В
20 мА

matte

5mm SuperBright white, blue

3.6 В
75 мА

transparent

10mm Bright white, blue

3.2 В
20 мА

transparent

Cree XLamp MX3

3.7 В
350 мА

white

Расчет светодиодов

Русский

English

Power supply voltage (V):

LED voltage drop (V): [select]

LED current rating (mA): [select]

Number of LEDs:

Wiring Diagram

Schematic

Other layout of LEDs

Save calculation on the picture

4 bands resistor

Внимание! При подключении соблюдайте полярность светодиодов. О том как определить полярность читайте здесь и здесь.

Светодиоды большой мощности необходимо питать через LED драйвер. Читайте форум по питанию светодиодов и источников света.

Jerry Malalis 2014-02-09 04:41:02

Thank you this site is very usefull

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+21

muhammad amjad 2014-01-15 19:09:39

See very goood web side, i like

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+20

rukshan 2013-09-21 09:10:22

hanks for this calculator
it is use full for led design for hobby any other developments

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+39

shiva 2013-02-13 08:19:27

thanks for this calculator
it is use full for led design for hobby

[Reply] [Reply with quote]

+20

L.D.Desai. 2012-10-08 10:07:16

This is good page but it should have possibility of selecting circuits. e.g. 8 LED's in series

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+54

Admin 2012-10-08 10:08:26

You can On/Off chekbox "Other layout of LEDs"

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+28

ranjeet 2012-06-23 16:43:13

This site is very good. Circuits will be made v easy, thanks you

[Reply] [Reply with quote]

+27

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