The inductor is electrical components at both ends, and its design is to prevent current flowing through them. When current flows, they store energy in the form of magnetic fields, and then oppose the current from any variation of current by induction and electromotive. These components are mainly used for signal processing and analog circuits. They can be estimated to be a short circuit of an open circuit and a DC signal of an alternating signal. There are different types of inductors that differ in performance, size and cost. Selecting the appropriate type of sensor for your application. Although you may know that miracle electrons are the best Indian inductance coil manufacturer, where do you have to buy, but you may not know the factors you must consider when you select inductance. Therefore, there are several elements here, you must consider to choose the perfect inductance for your application.
Inductance size
The power circuit application uses a large inductor corresponding to the filter capacitor. On the other hand, the radio frequency application uses a small ferrite core inductor, and the power requirements in this case are very low. Therefore, you can clearly see that inductance is a very important role in determining the inductiveness of the application.
Tolerance
Tolerance is a change in the inductance value of the inductor, in the actual value in the data table. This tolerance can result in unnecessary shifts in the frequency selection of the RF filter.
Saturation current
The saturation current is a DC current that causes the inductance to drop, which is related to the magnetic properties of the inductor. Since the magnetic core can only store a certain amount of magnetic flux density, the inductance drops a designated value.
DC resistance
The DC resistance is a resistor built into inductive metal conductor, which is an important parameter in the DC-DC converter because the resistance causes I2R loss to reduce efficiency. Such a DC resistance can simulate a resistor in series with an inductor.
Shield
In spatial constraint applications, the mask element inductively reducing the magnetic coupling between components is an effective solution.
Suitable
The sensor to be selected must meet the circuit requirements and improve performance. Two main uses of inductors include power electronics and radio frequency circuits. Understanding your application can help choose the correct inductor type.
For power electronics, you need to consider maximum current and incremental current. The maximum current is when the current level of the sensor exceeds the temperature of the application device. The incremental current is a current level of the inductor.
For RF applications, you need to consider quality factors and self-resonant frequencies (SRF). The mass factor is the ratio of the inductance reactance and effective resistance, which affects the sharpness of the center frequency of the LC circuit. SRF is the frequency of the inductance stopping work. That's why SRF should be selected so that it exceeds the operating frequency of the circuit. Under normal circumstances, high quality factor values and SRF minimum are preferred.
Considering these important factors, you can now select the best inductor for your application. In addition, you must always check the data sheet provided by the manufacturer to confirm the specification of the inductor.
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