ER1840-30KS Inductors, Coils, Chokes

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Fixed Inductors

Fixed inductors are passive two-terminal electrical components used for energy storage. They are typically used in alternating current (AC) and pulsed electronic circuits. They are a subset of inductors and are polarized by an externally applied magnetic field.

ER1840-30KS Application Field and Working Principle

The ER1840-30KS is a surface-mount fixed inductor designed to provide stable performance in a wide range of applications. The inductor is made up of a copper wire wound around a ferrite core and is hermetically sealed to minimize the influence of dynamic currents. The inductance value of ER1840-30KS is 30uH+-20% and rated current is 0.73 Amp. The maximum operating temperature of the device is 125℃.

The working principle of a fixed inductor is based on Faraday’s Law of Electromagnetic Induction. When current passes through the inductor coil, a magnetic field is generated. This magnetic field causes a change in the voltage across the coil. The voltage change is proportional to the rate of change of current in the coil, causing the inductor to act as an energy storage device.

The ER1840-30KS is ideal for energy storage in wireless communication systems such as Bluetooth (BT) and Zigbee, as well as in automotive wireless charging systems, power supplies, and muffler circuits. Additionally, it can be used in all types of switching applications such as LED lighting systems.

The ER1840-30KS provides excellent reliability and stability in harsh environments. It is resistant to shock, vibration, moisture, and temperature, and is able to perform reliably in temperatures of up to 125℃. The inductor is available in a variety of sizes and housings, allowing it to be used in a range of applications.

The ER1840-30KS is a reliable and robust fixed inductor designed for use in industrial, commercial, and consumer electronics applications. The device’s wide range of performance characteristics and sizes make it suitable for energy storage in a variety of applications.

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