HKQ04026N8J-E

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Fixed inductors, also known as coil inductors, are a type of electronic component designed to store electrical energy in its magnetic field. It is particularly useful in applications where frequency is relatively constant, such as filters, impedance matching, tuning and resonant circuits. The fixed inductor device HKQ04026N8J-E is specially designed for these applications.
The device, fixed inductor HKQ04026N8J-E, is most suitable for consumer electronic products due to its low cost and size. It is a surface-mount device (SMD) with a maximum external dimension of only 0.4 x 0.26 x 0.2 inch. It has a rated inductance of 0.22 µH and a rated current of 0.4 A. It has a saturation current of 1.2 A and a DC resistance of 1.25 Ω. With these characteristics, it can attenuate signals of higher frequencies.
The working principle of these fixed inductors is very simple. Electrical energy in the form of a current passes through the coil, inducing a magnetic field. This magnetic field generates a counter-emf or opposition to the flow of energy, causing the coil’s inductance. This counter-emf reduces the rate at which energy passes through the coil and stores the excess energy as magnetic field energy. When the current is reduced, the magnetic field collapses, releasing the stored energy and providing a net increase in current. This property is useful for creating resonance, filtering out specific frequencies, matching impedance and other useful tasks in electronics.
When designing with this fixed inductor, it’s important to consider its frequency response. The frequency response of this device is good up to 500 kHz. However, at higher frequencies, the inductance value decreases significantly. Therefore, at these higher frequencies, the inductance value must be calculated accurately in order to ensure that the desired performance. The maximum voltage rating of this device is 16 V and the temperature rating is -40°C to +125°C. The device should also be mounted securely to ensure it doesn’t move around due to its small size.
Fixed inductor HKQ04026N8J-E provides good performance for consumer electronic applications. Its small size makes it ideal for applications where space is limited. Its good frequency response and low cost make it a good choice for filtering, matching and other electrical tasks. However, the use of this device must be designed carefully, as its inductance decreases at higher frequencies and the temperature range should be considered when mounting it.

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