ELJ-QF3N6DF Inductors, Coils, Chokes

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Fixed inductors are indispensable passive components that can store electrical energy in the form of a magnetic field. They are widely used in applications including telecommunications, switching power supplies, and EMI/EMC suppression and filtering circuits. The ELJ-QF3N6DF is a particularly versatile type, capable of helping to ensure ultra-low currents and stabilise inductance values over a wide temperature range and in elevated humidity conditions. This article explains the application field and working principle of the ELJ-QF3N6DF.

The ELJ-QF3N6DF is a specialised inductor for ultra-low current applications, designed to operate in the range of 1 to 5000A. They are ideal for circuit design that needs a stable inductance value and precise current control. This component is constructed with a ceramic core and a metal-oxide film, which helps to maintain an air gap between the two components to ensure a stable inductance value. It also features a metal-oxide film protector to ensure that its inductance values remain stable even when exposed to high temperatures.

The ELJ-QF3N6DF can be used in a wide variety of applications. It is ideal for use in power electronic circuits, such as switched mode power supplies (SMPS) and resonant dc-to-dc converters. These types of circuits demand precise current control in order to minimise power loss and improve efficiency. The ELJ-QF3N6DF is also well suited for applications requiring high switching frequencies, such as timer circuits, switching voltage regulators, DC to DC converter circuits, and digital logic circuits.

The ELJ-QF3N6DF\'s working principle relies on the magnetic field generated when a current is applied. This current creates a magnetic field that causes the electrons in the core to travel around the core in the opposite direction. This in turn creates an opposing magneticfield, which induces an opposing current in the metal-oxide film. This opposing current, in turn, produces a magnetic field that acts as a counter-electromotive force to the original current, ultimately cancelling it out.

The ELJ-QF3N6DF also features a metal-oxide film protector, which prevents the inductor from being exposed to high temperatures and humidity levels. This helps to eliminate noise and prevent the degradation of the inductance value, ensuring that this component can be used in a wide variety of applications.

In summary, the ELJ-QF3N6DF is a versatile fixed inductor that is highly effective in applications such as timer circuits, switched mode power supplies, DC-to-DC converters, and digital logic circuits. It features a ceramic core and metal-oxide film, which helps to maintain a stable inductance value over a wide range of temperatures and humidities. Its working principle relies on a magnetic field generated when a current is applied, which creates an opposing magnetic field that induces an opposing current. Finally, the metal-oxide film protector helps to prevent the degradation of the inductance value.

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