The CDRH73-331MC is a shielded power inductor manufactured by Sumida America Components Inc. It is designed for use in a wide variety of DC-DC converter applications. This inductor features a shielded construction to minimize electromagnetic interference (EMI), and a compact design for use in space-constrained applications. Its robust construction allows for high current handling capabilities.

Applications

• DC-DC converters: Used in step-up, step-down, and inverting DC-DC converters for voltage regulation.
• Power supplies: Employed in various power supply designs for electronic devices.
• LED lighting: Used in LED driver circuits to provide stable current to LEDs.
• Portable devices: Ideal for use in smartphones, tablets, and other portable electronics.
• Automotive applications: Can be used in automotive electronic systems requiring efficient power conversion.

Features

• Shielded construction: Reduces electromagnetic interference (EMI) and noise.
• Compact size: Allows for high-density mounting in space-constrained applications.
• High current capability: Supports high current flow without significant performance degradation.
• Low DC resistance (DCR): Improves efficiency by minimizing power loss.
• 330 µH Inductance: Provides a specific inductance value tailored to certain circuit requirements.

Benefits

• Reduced EMI: Shielded construction minimizes electromagnetic interference, improving overall circuit performance.
• Increased efficiency: Low DCR contributes to higher efficiency in power conversion circuits, reducing heat generation.
• Reliable performance: High current handling ensures stable operation under varying load conditions.
• Smaller footprint: Compact size allows for miniaturization of electronic devices.
• Optimized Inductance: The 330 µH inductance is suitable for particular switching frequencies and load conditions, optimizing circuit performance.

Technical Specifications

While specific electrical characteristics may vary slightly, typical specifications for the CDRH73-331MC include:

• Inductance: 330 µH (Microhenries)
• Tolerance: Typically ±20%
• DC Resistance (DCR): Consult the datasheet for the specific value, typically in the order of Ohms.
• Saturation Current: Consult the datasheet for the specific value, typically in the range of hundreds of milliamps.
• Operating Temperature Range: -25°C to +85°C (including self-heating).
• Dimensions: Approximately 7.9mm x 7.9mm footprint, with a height of around 3.2mm.

Always refer to the official Sumida datasheet for the CDRH73-331MC for precise specifications and recommended operating conditions.