The SRR1003-470Y is a semi-shielded power inductor manufactured by Bourns Inc., designed for DC-DC converters and power management applications where a compact size is required. This inductor is suitable for use in portable devices, LED lighting, and other applications where efficient power conversion is essential.

Applications:

• DC-DC Converters: Buck, boost, and buck-boost converters in various electronic devices.
• Power Supplies: Used in regulated power supplies for portable electronics.
• LED Drivers: Powers LED lighting systems efficiently.
• Mobile Devices: Smartphones, tablets, and portable media players.
• Wearable Devices: Power management in smartwatches and fitness trackers.

Features:

• Semi-Shielded Construction: Balances EMI reduction with size and cost.
• Compact Size: 10.2 x 10.2 x 3.0mm dimensions.
• Low DC Resistance (DCR): Minimizes power losses.
• High Saturation Current: Maintains inductance under high current conditions.
• Excellent Temperature Stability: Stable performance over a wide temperature range.
• RoHS Compliant: Complies with Restriction of Hazardous Substances directive.

Benefits:

• Improved Power Efficiency: Lower DCR results in less power loss.
• Reduced EMI: Semi-shielded design minimizes electromagnetic interference.
• Smaller Footprint: Compact size allows for denser circuit designs.
• Enhanced Reliability: Stable inductance ensures consistent performance.
• Stable Operation: Maintains inductance over varying temperatures and currents.

Additional Details:

The SRR1003-470Y features an inductance of 47 μH (470 represents 47 and 0 zeros), and 'Y' likely refers to a specific tolerance or packaging characteristic. Semi-shielded construction provides a good compromise between EMI reduction and component size. Bourns products are known for their quality and reliability. Always consult the datasheet for detailed specifications.