SRF0905-100Y

Overview

The Bourns SRF0905-100Y is a surface-mount common mode choke from the SRF0905 series, designed for high-frequency noise suppression. It features an inductance of 10 µH and a maximum DC current rating of 1.6 A. The component exhibits a maximum DC resistance of 0.08 Ω and an impedance of 200 Ω at frequencies between 20 MHz and 300 MHz. It operates within a temperature range of -40 °C to 105 °C and has a voltage rating of 100 V. The device utilizes a ferrite core and is housed in a compact 0905 package with dimensions of 9.2 mm length, 6 mm depth, and 5 mm height.

Feature Summary

• Provides effective common mode noise filtering for high-speed data lines
• Compact surface-mount design suitable for space-constrained PCB layouts
• Capable of handling high DC currents with low insertion loss

Applications

• High-speed serial interface protection
• USB port noise suppression
• Display interface signal integrity enhancement

Procurement Notes

Verify the specific suffix 'Y' against the manufacturer's latest documentation to confirm packaging details and compliance status. Ensure the selected variant matches the required impedance and current ratings for the target circuit. Cross-reference the part number with official distributor catalogs to confirm availability and authenticity before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring common mode rejection for signals operating in the 20 MHz to 300 MHz range. The 1.6 A current rating supports applications with moderate power requirements. Consider the 0905 footprint constraints during layout planning. Verify that the operating temperature environment falls within the specified -40 °C to 105 °C range for reliable performance.

Part Context

This component belongs to the Bourns SRF0905 series of surface-mount common mode chokes. The series offers various inductance values tailored for different frequency suppression needs. These devices are engineered for use in digital communication interfaces where signal integrity is critical. The 0905 package size represents a balance between electrical performance and board space efficiency.

Replacement Considerations

Consult the official Bourns datasheet for direct pin-compatible alternatives within the SRF0905 series. Verify that any substitute part maintains identical inductance, current rating, and impedance characteristics. Ensure the replacement component meets the same thermal and mechanical specifications for the application.