The CPY201209T-4R7M-NP is a power inductor manufactured by Chilisin. It's designed for use in DC-DC converters and power supply circuits where efficient energy storage and low DC resistance are essential. This inductor is characterized by its compact size, high current handling capability, and excellent saturation characteristics.

Applications

• DC-DC Converters: Widely used in step-up (boost), step-down (buck), and inverting DC-DC converters to store energy and regulate voltage levels.
• Power Supplies: Employed in various power supply units, including those for consumer electronics, industrial equipment, and automotive applications.
• Voltage Regulators: Integrated into voltage regulator modules (VRMs) to provide stable and efficient power delivery to microprocessors and other critical components.
• LED Lighting: Used in LED driver circuits to regulate current and voltage, ensuring efficient and stable LED operation.
• Portable Devices: Suitable for battery-powered devices such as smartphones, tablets, and laptops, where size and efficiency are paramount.

Features

• Compact Size: 2012 package (2.0 mm x 1.2 mm) allows for high-density PCB mounting.
• High Current Handling: Designed to handle significant DC current without saturation, ensuring stable inductance under load.
• Low DC Resistance (DCR): Minimizes power losses and improves overall efficiency in power conversion circuits.
• Shielded Construction: Reduces electromagnetic interference (EMI) and ensures stable performance in noisy environments.
• Operating Temperature Range: Typically operates in a temperature range suitable for most electronic applications.
• RoHS Compliant: Meets environmental standards for hazardous substance restrictions.

Benefits

• High Efficiency: Low DCR minimizes power loss, leading to higher efficiency in power conversion applications.
• Compact Design: Small size enables the design of compact and lightweight electronic devices.
• Stable Performance: Shielded construction and stable inductance under load ensure reliable performance in various operating conditions.
• Reduced EMI: Shielding helps to minimize electromagnetic interference, improving the overall system performance.
• Simplified Design: Stable characteristics simplify the design of power supply circuits.

Additional Details

The CPY201209T-4R7M-NP has an inductance value of 4.7 μH with a tolerance of ±20%. The saturation current and Irms (RMS current) are important parameters that define the inductor's ability to handle current without significant performance degradation. It is designed for reflow soldering processes for ease of manufacturing. This inductor is constructed using ferrite core materials and a shielded structure to minimize EMI. Its typical applications involve use in switching regulators and power management circuits.