The D03316H-102MLD is a shielded power inductor manufactured by Coilcraft. This inductor is designed for use in a variety of power supply and power management applications, offering excellent electrical characteristics and a compact, shielded design. The '102' designation indicates an inductance value of 1.0 µH (microhenries), and the 'MLD' likely refers to the specific material and construction of the inductor, possibly indicating a low DC resistance (DCR) version.

Applications

• DC-DC Converters: Used in step-up (boost), step-down (buck), and inverting DC-DC converters to store energy and regulate voltage levels.
• Power Supplies: Integrated into various power supply circuits to filter noise and stabilize voltage.
• Voltage Regulators: Used in voltage regulator modules (VRMs) to provide stable and efficient power delivery to sensitive electronic components.
• Filtering Circuits: Employed in filtering circuits to reduce electromagnetic interference (EMI) and noise.
• LED Lighting: Used in LED driver circuits to regulate current and voltage for efficient LED operation.

Features

• Shielded Construction: Reduces electromagnetic interference (EMI) and prevents noise from affecting nearby circuits.
• Low DC Resistance (DCR): Minimizes power loss and improves overall efficiency.
• High Current Handling Capability: Designed to handle significant current levels without saturation.
• Compact Size: Small footprint allows for high-density placement on circuit boards.
• High Saturation Current: Maintains inductance value under high current conditions.
• RoHS Compliant: Complies with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.

Benefits

• Reduced EMI: Shielded construction minimizes electromagnetic interference, improving circuit performance and reliability.
• Improved Efficiency: Low DCR reduces power loss, leading to higher overall efficiency in power circuits.
• Space Saving: Compact size allows for integration into small and densely populated electronic devices.
• Reliable Performance: High saturation current ensures stable operation under high current conditions.
• Environmentally Friendly: RoHS compliance ensures that the inductor is environmentally safe.

Additional Details

The D03316H-102MLD typically has an inductance value of 1.0 µH with a tolerance of ±20%. The DC resistance (DCR) is usually very low, often in the range of milliohms, which helps to minimize power loss. The saturation current is typically around 3A to 5A, depending on the specific operating conditions. This inductor is commonly available in a surface mount package. Its shielded design, low DCR, and high current handling capability make it a suitable choice for a wide range of power supply and power management applications.