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Resistor color codes (4 bands)

To use the calculator you need either to choose colors of resistance bands, the color of tolerance band or to enter actual resistance value in the field "R" (don't forget to choose the proper unit). Clicking the corresponding [Show...] button will display an alternative form of resistance indication. More details here.

      





R =
   ±   %

resistors in parallel
capacitors in series
inductances in parallel
LC resonance circuit
bandspread capacitors circuit
single-layer air-cored coil
circular loop coil
square loop coil
frequency,wavelength,period
three-digit capacitor markings
resistor codes (4 bands)
resistor codes (5 bands)
choke/inductor color codes
555 astable
555 monostable
match standard Ex value
combine standard E6, E12 & E24 values
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dBm ⇆ mW converter
mm ⇆ in converter
resistance of a wire
Ohm's law
dropping resistor for 'P' tubes
dropping capacitor for 'P' tubes
dropping resistor for 'U' tubes
dropping capacitor for 'U' tubes
line-of-sight
dropping resistor for LEDs
Y-Δ transform
Y-Δ transform (capacitances)
parabolic antenna gain
AWG converter

[ekalk]© Sławek Wernikowski, 2012-2016. Set of useful interactive calculators for electronics constructors and hams.

All suggestions and comments are always welcome.

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[[3.15 2017-01-28]]