E1 series may refer to:
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E1 series (preferred numbers)
The E series is a system of preferred numbers (also called preferred values) derived for use in electronic components. It consists of the E3, E6, E12, E24, E48, E96 and E192 series, where the number after the 'E' designates the quantity of ...
, a series of standardized resistor and capacitor values
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E1 series (train), a Japanese Shinkansen train since 1994
See also
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E1 (disambiguation)
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