LF2020BNP-R273

Common Mode Chokes Overview

The LF2020BNP-R273 is a two-line common mode choke manufactured by Sumida America Components Inc. It features an inductance of 27 mH measured at a test frequency of 1 kHz. The component supports a current rating of 600 mA and has a maximum DC resistance (DCR) of 1.3 Ohms. Designed for through-hole mounting, it utilizes a nonstandard package with radial termination. This shielded inductor is part of the LF2020BNP series and is intended for power line noise suppression applications.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for two-line circuits
• Utilizes a shielded construction to minimize electromagnetic interference
• Supports through-hole mounting via radial leads for robust PCB attachment

Common Mode Chokes Applications

• Power supply input filtering
• Noise suppression in AC/DC converter stages
• EMI reduction in consumer electronic power lines

Common Mode Chokes Procurement Notes

Verify the specific suffix R273 corresponds to the 27 mH inductance value and 1.3 Ohm DCR specifications. Confirm that the through-hole radial lead configuration matches the target PCB footprint requirements. Ensure the 600 mA current rating meets the operational load demands of the application circuit without saturation.

Common Mode Chokes Selection Notes

Select this component when high inductance values are required for low-frequency noise attenuation in two-wire power lines. The through-hole design offers mechanical stability compared to surface mount alternatives. Consider the physical dimensions and lead spacing to ensure compatibility with existing assembly processes and board layout constraints.

Common Mode Chokes Part Context

This component belongs to the LF2020BNP series of common mode chokes from Sumida. These components are engineered for general-purpose EMI suppression in power applications. The series typically offers various inductance values to suit different filtering requirements while maintaining consistent physical form factors for standardized manufacturing integration.

Common Mode Chokes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.