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Combine preferred numbers

This calculator will help you to find the nearest approximation of a value as a combination of max 3 preferred numbers taken from E6, E12 and E24 series. Enter any value of range from 1 to 1000 (without unit and multipliers), select the standard number series and the calculator will find the best combinations.

Value:      Series:      Sort by:  


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
LM317 voltage regulator
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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[[3.21 2017-01-28]]