Summary of inductors common knowledge (type / main parameters / calculation formula)

Summary of inductors common knowledge - type 1. Vertical sealing fixed inductor vertical sealing fixed inductor adopts the same-time pin, the domestic electrical induction range is 0.1 ~ 2200μH (directly on the outer casing), the rated operating current is 0.05 to 1.6a, the error range is ± 5% ~ ± 10%, imported inductance, large amount of current, smaller errors. The import has a TDK series color code inductor, its inductance is used in the surface of the inductor. 2, horizontal sealed fixed inductor horizontal sealed fixed inductor adopts axial pins, domestic LG1.LGA, LGX and other series. The LG1 series inductor has an inductance range of 0.1 to 22000μH (directly on the outer casing) Summary of common knowledge of inductors - Main parameters Allow deviation Allow deviations refer to the allowable error value of the inductance amount and the actual inductor nominally nominal. Generally, inductors in the circuit of oscillation or filtering are high, the allowable deviation is ± 0.2% ~ ± 0.5%; for coupling, the accuracy of the coil such as high frequency blocking is not high; the allowed deviation is ± 10 % ~ 15%. The quality factor is also known as the Q value or advantage, which is the main parameters of the quality of the inductor. It refers to the ratio of the sensor resistance to its equivalent loss when the inductor is operating at an alternating current voltage of a certain frequency. The higher the Q value of the inductor, the smaller the loss, the higher the efficiency. Summary of inductors common knowledge - calculation formula Hollow inductance calculation formula: L (MH) = (0.08d.d.n.n) / (3D + 9W + 10h) D-coil diameter N - coil turns D-line diameter H - coil height W-coil width The unit is mm and MH, respectively. The above is what the inductor and the common knowledge of the inductor are all, I hope that you can give you a certain help. Editor in charge: Tzh, Read more

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