SRF0504-302Y

Overview

The Bourns SRF0504-302Y is a surface-mount common mode choke from the SRF0504 series, designed for high-frequency noise suppression. It features an inductance of 6 µH at 100 kHz and a maximum DC current rating of 500 mA. The component exhibits a typical impedance of 3 kOhms at 100 MHz and a maximum DC resistance of 200 mOhms. It operates within a temperature range of -40°C to +125°C and utilizes a ferrite core housed in a compact 0504 (1210 metric) package measuring 5 mm x 4.8 mm x 4.8 mm.

Feature Summary

• Dual-line configuration for effective common mode noise attenuation in signal and power lines
• Ferrite core construction optimized for high-frequency interference suppression up to 100 MHz
• Compact surface-mount footprint suitable for space-constrained printed circuit board layouts

Applications

• High-speed data line filtering in portable electronic devices
• Noise suppression for USB and other universal serial bus interfaces
• Signal integrity enhancement in industrial control systems

Procurement Notes

Verify the specific suffix Y against the manufacturer's latest datasheet to confirm material composition and compliance status. Ensure the ordering quantity matches the available packaging options such as cut tape or reel. Cross-reference the part number with authorized distributors to confirm authenticity and traceability before finalizing procurement.

Selection Notes

Select this component when designing circuits requiring moderate inductance with low DC resistance for sensitive signal lines. Evaluate the thermal performance under continuous load conditions to ensure the 500 mA rating remains sufficient. Confirm that the operating frequency range aligns with the target noise spectrum for effective attenuation.

Part Context

This component belongs to the SRF0504 series of common mode chokes manufactured by Bourns Inc. The series offers various inductance values tailored for different noise filtering requirements while maintaining a consistent small outline package. These components are engineered for reliability in consumer electronics and industrial applications.

Replacement Considerations

Consult official substitution guides for equivalent parts within the same series or alternative manufacturers offering similar electrical characteristics and package dimensions.