UU9LFNP-B-B472

Overview

The UU9LFNP-B-B472 is a through-hole common mode choke manufactured by Sumida America Components Inc. It features an inductance of 4.7 mH at 1 kHz and supports two lines. The component has a maximum DC current rating of 340 mA and a DC resistance of 1.6 Ohms. Designed for PCB mounting, it operates within a temperature range suitable for general electronic applications.

Feature Summary

• Provides common mode noise suppression for dual-line circuits
• Utilizes through-hole termination for printed circuit board integration
• Engineered for low-frequency filtering applications

Applications

• AC line filtering
• Dual-line signal protection
• Electronic equipment noise reduction

Procurement Notes

Verify the specific suffix against official Sumida documentation to confirm exact electrical tolerances and packaging details. Ensure the procurement channel provides valid manufacturer traceability. Confirm that the through-hole package dimensions match the target PCB footprint before finalizing orders.

Selection Notes

Select this component when a 4.7 mH inductance value is required for common mode interference suppression. The 340 mA current rating dictates suitability for low-power AC lines. Verify that the 1.6 Ohm DC resistance aligns with the system's voltage drop constraints and thermal management requirements.

Part Context

This part belongs to the UU9LFNP series of common mode chokes from Sumida. The series offers various inductance values tailored for different filtering needs. The UU9LFNP-B-B472 specifically targets applications requiring moderate inductance with through-hole assembly capabilities for robust mechanical connection.

Replacement Considerations

Direct substitutes include other Sumida UU9LFNP variants with similar inductance and current ratings. Cross-reference datasheets for equivalent 4.7 mH through-hole chokes from other manufacturers if supply constraints exist.