The Sumida SDRH74B-1R0 is a shielded power inductor designed for use in a variety of power conversion and filtering applications. The inductor's shielded construction helps to minimize electromagnetic interference (EMI), which is crucial in sensitive electronic environments. Its robust design and compact size make it suitable for a wide range of applications, including those with limited board space.

Applications:

• DC-DC Converters: Used in step-up (boost), step-down (buck), and buck-boost converters to efficiently regulate voltage levels.
• Power Supplies: Employed in switching power supplies for filtering, energy storage, and voltage regulation.
• Automotive Electronics: Used in automotive systems for power management and filtering.
• Industrial Equipment: Suitable for use in industrial power supplies and control systems.
• Consumer Electronics: Found in various consumer electronic devices for power filtering and regulation.

Features:

• Inductance: 1.0μH (1R0 indicates 1.0 μH).
• Shielded Construction: Minimizes electromagnetic interference (EMI).
• Compact Size: Suitable for space-constrained applications.
• High Current Capacity: Designed to handle high current levels without saturation.
• Low DC Resistance (DCR): Improves efficiency in power conversion circuits.
• RoHS Compliant: Complies with the Restriction of Hazardous Substances directive.

Benefits:

• Reduced EMI: Improves the reliability and performance of electronic devices by minimizing electromagnetic interference.
• Efficient Power Conversion: Minimizes energy losses in power supply circuits.
• Compact Design: Enables the development of smaller and more compact electronic products.
• Stable Performance: Provides consistent inductance over a wide range of operating conditions.
• Reliable Operation: Designed for robust and dependable performance in demanding applications.

Additional Details:

The Sumida SDRH74B-1R0 inductor features a composite core material that contributes to its high inductance and low core losses. The shielded design minimizes electromagnetic radiation, making it suitable for use in sensitive electronic equipment. It is designed for surface mount assembly and is available in tape and reel packaging for automated manufacturing processes. The operating temperature range is typically from -40°C to +125°C. The specific tolerance for the inductance value should be verified in the product datasheet. The SDRH74B series is known for its robust construction and reliable performance in various power management applications. Important parameters to consider include Saturation Current, which is the DC current at which the inductance drops by a specified percentage (e.g., 10% or 20%), and the Temperature Rise Current, which is the current that causes a specified temperature rise in the inductor (e.g., 40°C). These values can be found in the datasheet.