B84111F0000B120

Power Line Filter Modules Overview

The B84111F0000B120 is a single-phase EMI power line filter from the TDK SIFI-A series, rated for 250 VAC/VDC at 50/60 Hz. It supports a maximum current of 20 A at 40°C and features an inductance of 430 µH. The unit utilizes a metal case with polyurethane potting (UL 94 V-0) and measures 72 mm x 46 mm x 26 mm, weighing 130 g. It employs 6.3 mm quick-connect terminals and chassis mounting. Key electrical specifications include a leakage current of 0.369 mA, withstand voltage of DC 1770 V (line-to-line) and AC 2500 V (line-to-case). Operating temperature ranges from -25°C to +100°C.

Power Line Filter Modules Feature Summary

• Single-stage filtering architecture designed for effective electromagnetic interference suppression in single-phase circuits.
• Robust metal housing construction with polyurethane potting to ensure mechanical stability and environmental protection.
• Low leakage current design optimized for safety compliance in sensitive electronic applications.
• Chassis-mount configuration with faston plug terminals for straightforward integration into equipment enclosures.

Power Line Filter Modules Applications

• Industrial machinery requiring EMC compliance for power input stages
• Medical equipment needing low leakage current for patient safety
• Information technology hardware including servers and network infrastructure
• Power supplies and inverters demanding stable input filtering

Power Line Filter Modules Procurement Notes

Verify that the specific suffix 'M120' or 'B120' matches the required terminal type and certification profile, as these identifiers define the physical interface and regulatory approvals. Confirm the operating environment temperature does not exceed the specified range to maintain performance integrity. Ensure the mounting法兰 dimensions align with the enclosure design. Cross-reference the UL and ENEC certifications against local regulatory requirements before finalizing procurement decisions.

Power Line Filter Modules Selection Notes

Select this component when a single-phase, single-stage filter is required for currents up to 20 A. The 430 µH inductance provides standard attenuation suitable for general industrial and IT applications. Consider the 6.3 mm tab terminals for wiring compatibility. The metal case facilitates heat dissipation and grounding, making it suitable for environments where thermal management and shielding are critical. Verify space constraints against the 72x46x26 mm footprint.

Power Line Filter Modules Part Context

This component belongs to the TDK SIFI-A series of power line filters, which are engineered for interference suppression in AC mains applications. The series covers various current ratings and inductance values, utilizing a consistent metal case design for durability. As part of the TDK Electronics portfolio, these filters adhere to strict quality standards for global deployment in industrial, medical, and consumer electronics sectors.

Power Line Filter Modules Replacement Considerations

Check for direct substitutes within the B84111 series with different current ratings or inductance values if system parameters change. Verify that any replacement maintains the same 6.3 mm faston terminal pitch and chassis mounting hole pattern to ensure mechanical compatibility without redesigning the enclosure.

Power Line Filter Modules FAQ

What is the maximum allowable leakage current for this filter?

The maximum leakage current is specified as 0.369 mA, which supports compliance with safety standards for medical and sensitive electronic equipment.

How is the filter electrically isolated from the chassis?

The filter is rated for AC 2500 V withstand voltage between the line and the case over a duration of 2 seconds, ensuring robust isolation.

What is the inductance value of the B84111F0000B120?

The inductance is 430 µH, providing the necessary impedance for common-mode noise suppression in single-phase applications.