Overview: SMD inductors are also called: power inductors, high current inductors.
advantage:
1. Surface mount high power inductors.
2. Features of miniaturization, high energy storage and low resistance.
3. Mainly used in computer display boards, notebook computers, pulse memory programming, and DC-DC converters.
4. Reel packaging is available for automatic surface mounting.
Features:
Structure and coil technology realize low DC impedance and high allowable current;
Application of automatic surface loading with excellent weldability and environmental resistance;
Suitable for reflow soldering;
European RoHS certification;
Lead-free terminals;
The main parameters:
1. Error/precision
2. Inductance value: refers to the value of the road inductance tested at a frequency of 100Khz. So **different sense values are also slightly different
3. Self-resonant frequency: the frequency point where the inductance and the rich inductance form resonance. Therefore, in use, do not use the self-resonant frequency.
4. DC inductance: a large DCR value of winding inductance will cause heating
5. Saturation current: the current value when the inductance value drops by 30%
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