UU9LFHNP-HB471

Overview

The UU9LFHNP-HB471 is a common mode choke from the Sumida UU9LFH series, designed for AC line filtering applications. It features a vertical through-hole mounting style with four pins and offers an inductance of 470 µH at 1 kHz. The component supports a maximum DC current of 1 A and has a maximum DC resistance of 150 mOhms. It operates within a temperature range of -40°C to +85°C.

Feature Summary

• Vertical through-hole construction with four-pin configuration
• Designed for AC line common mode noise suppression
• RoHS compliant manufacturing

Applications

• Multi-function telephones
• AC adapters
• Fax machines
• Small size fluorescent lights
• VCRs and TVs

Procurement Notes

Verify the specific suffix HB471 against official Sumida documentation to confirm pinout orientation and electrical tolerances. Ensure the procurement channel provides valid RoHS compliance certificates. Cross-reference the datasheet revision date to guarantee compatibility with current design requirements and environmental regulations.

Selection Notes

Select this component when vertical PCB space is available and through-hole assembly is preferred over surface mount alternatives. The 1 A current rating suits moderate power AC line filtering needs. Verify that the 470 µH inductance meets the specific noise attenuation requirements of the target circuit application.

Part Context

This part belongs to the UU9LFH series of common mode chokes manufactured by Sumida America Components Inc. The series is characterized by its vertical package design, distinguishing it from horizontal variants. It serves as a specialized filter for low-frequency noise reduction in consumer electronics and office equipment power lines.

Replacement Considerations

Publicly confirmed direct substitutes are not explicitly listed in the provided source material for this specific model number.