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Shunt Resistor
Welding Manufacturing
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Electron Beam Welding Equipment
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标准的EIA定义的阻值表(100Ω≤R≤1000Ω)
在20世纪,电子元器件厂商为了便于元件管理和选用,采用了同统一的标准组成元件的数值。该准则由国际电工委员会(IEC)于1952年发布为国际标准,即电阻E系列阻值。E表示指数间距,由一种几何级数构成的数列。
对于E6,E12,E24,E48,E96,E192六大系列来说,其阻值公比依次为 6√10,12√10,24√10,48√10,96√10,192√10 对应精度分别为±20%,±10%,±5%,±2%,±1%,±0.5%。
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