4922-16L

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Fixed inductors, also known as chokes, coils or reactors, are energy storage components used across a range of electronic applications. The 4922-16L is a fixed inductor designed for use in high-power direct-current (DC) applications such as motor drives, DC/DC converters, power factor correction, and more. This article will take a look at the application fields and working principle of the 4922-16L.

The 4922-16L is a high-power surface mount inductor rated at 16.0 mH/3.4 A. The package size is 13.0 mm x 9.0 mm x 5.5 mm and it comes with a standard pin-out of 4 pads. It operates over a wide temperature range (-40 to +105 °C), and features reverse bias protection as well as over temperature protection. The device is RoHS compliant and is available in both tape and reel packaging.

The 4922-16L has many applications including motor drives, DC/DC converters, lighting systems, solar applications, and power factor correction. It can be used as an energy storage element in DC circuits, allowing high-power split-phase rectification or for smoothing out noise and unwanted ripple voltage on the output. Additionally, the device can be used in power supplies or to step-down voltage.

In terms of its working principle, the 4922-16L is an inductor whose core is made of a ferromagnetic material. When a current passes through the device, a magnetic field is created around the coil’s wire, which opposes the current. As the current increases, a counter EMF (electromotive force) also known as inductance is generated, which counteracts the current and reduces its magnitude.

The magnitude of the inductance is determined by the number of turns in the coil, the cross-sectional area of the coil, and the nature of the core material used. With the 4922-16L, the core is ferromagnetic and possesses a high saturation value, allowing it to feature a high-power rating and well-defined inductance characteristics. The device also features a low AC resistance, allowing for higher current carrying capability.

In summary, the 4922-16L is a versatile fixed inductor used in high-power DC applications such as motor drives, DC/DC converters, and more. It operates over a wide temperature range and features both reverse bias protection and over temperature protection. The device is made with a ferromagnetic core, providing a high-power rating and well-defined inductance characteristics.

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