The SRR4818A-150M is a semi-shielded power inductor manufactured by Bourns Inc., designed for various DC-DC converter applications requiring a balance between size, performance, and cost. This inductor is suitable for use in power supplies, filtering circuits, and other applications where efficient power conversion is necessary.

Applications:

• DC-DC Converters: Used in step-up (boost), step-down (buck), and inverting converters.
• Power Supplies: Filtering and regulation in power supplies for various electronic devices.
• LED Drivers: Provides stable and efficient power to LED lighting systems.
• Audio Amplifiers: Filtering and power delivery in audio amplifier circuits.
• Industrial Equipment: Power regulation and filtering in industrial control systems.

Features:

• Semi-Shielded Construction: Provides a balance between EMI reduction and cost-effectiveness.
• Compact Size: 4.8 x 4.8 x 1.8mm dimensions for space-saving designs.
• Low DC Resistance (DCR): Reduces power losses and improves overall efficiency.
• High Saturation Current: Handles high current without significant inductance drop.
• Excellent Temperature Stability: Maintains inductance value over a wide temperature range.
• RoHS Compliant: Complies with Restriction of Hazardous Substances directive.

Benefits:

• Improved Power Efficiency: The low DCR minimizes power dissipation, leading to higher efficiency.
• Reduced EMI: The semi-shielded construction helps reduce electromagnetic interference.
• Smaller Footprint: The compact size allows for greater component density on the PCB.
• Enhanced Reliability: Stable inductance ensures consistent performance over time and temperature.
• Cost-Effective Solution: Provides a good balance between performance and cost.

Additional Details:

The SRR4818A-150M features an inductance value of 15 μH (150 = 15 and 0 zeros). The semi-shielded construction offers a compromise between full shielding and unshielded designs, providing adequate EMI reduction while maintaining a smaller size and lower cost. Bourns Inc. is known for its high-quality components, ensuring reliable performance and a long lifespan. Check the product datasheet for comprehensive electrical characteristics, mechanical dimensions, and environmental specifications.