LF2020BNP-233

Common Mode Chokes Overview

The LF2020BNP-233 is a through-hole common mode choke manufactured by Sumida America Components Inc. It features a vertical package with four PC pins and is designed for power line filtering applications. The component provides an inductance of 23 mH at a test frequency of 1 kHz. It supports a maximum current rating of 500 mA and exhibits a DC resistance (DCR) of 1.8 Ohms.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for AC power lines
• Utilizes a vertical through-hole mounting configuration for secure PCB integration
• Engineered for high reliability in power supply circuit protection

Common Mode Chokes Applications

• AC power line filtering in consumer electronics
• Noise suppression in industrial power supplies
• EMI reduction in general purpose electronic equipment

Common Mode Chokes Procurement Notes

Verify the specific part number suffix to ensure compatibility with required inductance values and current ratings. Confirm that the vertical pin configuration matches the target printed circuit board layout. Check manufacturer documentation for RoHS compliance status and operating temperature range specifications before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component when a through-hole solution is required for power line EMI suppression. Ensure the 500 mA current rating meets the circuit's operational demands. Verify that the 1.8 Ohm DC resistance does not cause unacceptable voltage drop or power loss in the specific application design.

Common Mode Chokes Part Context

This component belongs to Sumida's LF series of common mode chokes, which are widely used for electromagnetic interference suppression. The LF2020BNP variant specifically denotes a through-hole construction suitable for robust mechanical mounting in power applications.

Common Mode Chokes Replacement Considerations

Consult official Sumida documentation for direct cross-references. Verify that any substitute maintains identical inductance, current rating, and physical dimensions to ensure proper fit and function.