What does the DCR value of the patch inductance mean? Commonly used indicators of SMD inductance are inductance value, allowable deviation, quality factor, internal resistance, distributed capacitor and current, etc. In many specifications, we can see serial number model inductance (H) overlapping current (A) DCR. (Mω) overall dimension (mm), etc.
In the chip inductor, we can see the internal resistance of DCR (mω), which usually means that the larger the inductance of the same series, the greater the internal resistance. And that DCR value of the patch inductance can be teste by a multimeter. The internal resistance ranges from several m Ω to tens of mΩ and hundreds of mΩ, which is very few.
DCR is the abbreviation of DCNCSISTAE, that is, DC resistance: the resistance measured by inductance coil under non-alternating current. in inductance design, the smaller the DC resistance, the better, and its measurement unit is ohm, which is usually marked by its maximum value
