PD75R-333K

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Fixed inductors are a class of electronic components that store energy using a magnetic field, and are used in a range of electrical applications. The PD75R-333K is a variable inductor specifically designed for use in switch mode power converters, dc-dc converters, and other voltage regulation applications. This particular variable inductor is available in a range of sizes, from a miniaturized 0402 up to a high-power 8-pin SIP package. The device construction consists of a primary core, a secondary core, and a capacitive divider network. All components are hermetically sealed to provide an IP67 level of dust and water protection, and are RoHS compliant.

The primary purpose of a variable inductor is to store energy in a magnetic field, and the PD75R-333K achieves this by controlling the magnitude of its inductance. It does this by varying the number of turns within its inductor coils; this number is referred to as its ‘turns ratio’. The PD75R-333K is designed with adjustable turns ratios of 1:1.5, 1:2, and 1:3, and the inductor can be tuned between these ratios by adjusting its winding resistance. This enables the device to provide a range of inductance values for different applications.

Additionally, the PD75R-333K incorporates a number of features to optimize its performance, such as a wide frequency range, low core and winding losses, high saturation current, and wide temperature range. As a result, the inductor is highly reliable and can handle high power loads. The device also has a low DC resistance, which reduces heat generation and improves efficiency.

The PD75R-333K variable inductor is used in voltage regulation applications, such as switch mode power supplies, dc-dc converters, and buck-boost converters. The component stores energy in a magnetic field, thus providing the required inductance for these devices, such as power surge protection, filtering, and switching. The device can also be used to control the current flow in a system, by providing an adjustable inductance-resistance ratio. Overall, the component offers excellent power efficiency and cost-effectiveness, and is available in a range of sizes to suit different applications.

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