SP1812-333J

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Fixed inductors, also known as inductors,is an electronic component for storing electrical energy using magnetic fields. The SP1812-333J is a type of fixed inductor designed for high frequency applications. It is used in various electronic circuits such as those used in power supplies, audio systems, radio receivers, and more.

The SP1812-333J is a high-frequency and power inductor, mostly utilized for compact and low-profile power inductors in portable devices. It features low DC resistance, high inductance, and low-profile properties. The short lead type of this inductor is suitable for low-profile circuit boards with an element height of just 1.2mm. It is suitable for low-profile power supplies and audio devices as its size is designed to fit into tight spaces.

The SP1812-333J has a coil insulation made of magnetic radiation reducing material and terminations made of steel, tin, and nickel plating. The SP1812-333J is composed of a ferrite core, coil windings, and coil end caps. The core is composed of ferrite powder which is winded and encapsulated with a proprietary encapsulation material. The windings are composed of copper wire coated with insulation material. The coil end caps are made of steel or Ni-P plating.

The working principle of the SP1812-333J is based on electromagnetic induction. When alternating current runs through the coil, a magnetic field is produced, inducing a voltage in the coil. This induced voltage produces a current in the coil, resulting in a power loss in the coil due to the resistance of the coil. To reduce this loss, ferrite core is used to reduce the magnetic field and the winding copper wire is coated with insulation to reduce the resistance of the coil. Thus, this inductor can handle high frequencies and higher power.

The SP1812-333J is highly suitable for portable audio applications such as Bluetooth headsets, speakers, and amplifiers. It is also suitable for power supplies, switched mode power supplies (SMPS) and other applications including general electronic circuits, radio receivers, clock circuits, etc. The short lead type of the SP1812-333J is ideal for portable audio devices, providing a low-profile earphone block design with a 2X2 coil pattern to reduce space.

The SP1812-333J is a unique fixed inductor that is mostly designed for high frequency and portable audio applications such as Bluetooth headsets, speakers, and amplifiers. It features low DC resistance, high inductance, low-profile construction, short lead-typed, and ferrite core windings. With its lightweight and compact design, it is a perfect choice for portable device power inductors with increased vibration resistance, making it suitable for long life applications.

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