HF1008R-680J

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Fixed inductors, also known as fixed coils or fixed chokes, are passive electronic components. They are composed of a coil of insulated wire wound on a core. In the circuit, it is suitable for transmitting and storing ac current, filtering ac and dc signals, smoothing pulsating signals, and increasing impedance components.HF1008R-680J is one of their types.

The HF1008R-680J is a fixed-type inductor made of ferrite material. The application field of HF1008R-680J is in low power applications. It is especially suitable for applications in high frequency circuits, such as RF front/rear end modules, FM/UHF/VHF/AM amplifier circuits, variable frequency/voltage circuits, etc. Since its winding capacity is small, it’s also suitable for circuits with small volume and space or weight specifications. Besides, it also works well for data transmission units, enhanced mobile phones (3G, 4G), Global Positioning Systems (GPS), Bluetooth applications, and other wireless devices.

The working principle of the HF1008R-680J lies in two inductive functions – Faraday’s Law of electromagnetic induction theory and the behavior of electrons in a coil. When an alternating current (AC) is applied to the HF1008R-680J, electromagnetic induction forces are induced in the coil. This results in self-induced energy in the form of a magnetic field, which is stored in the coils. The magnitude of this self-induced energy will vary depending on the inductance of the inductor. The more current applied, the greater the magnitude of the self-induced energy stored. Besides, when the AC voltage input is increased, the stored energy in the HF1008R-680J will discharge some energy during the voltage cycle, this type of energy is also known as back emf. The combination of the two principles allows the HF1008R-680J to perform its own function in a range of circuit applications.

Due to its high performance, small volume, low resistance loss and excellent frequency characteristics, the HF1008R-680J fixed inductors are widely used in high frequency circuits. In addition, its impedance is also very stable, which means that it can maintain good electrical performance in the entire working frequency range and reduce signal distortion from the system. This proves the HF1008R-680J to be a reliable and efficient inductor in many applications.

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