55100C-R

Overview

The Murata Power Solutions 55100C-R is a surface-mount current sense transformer designed for high-frequency applications. It features a 1:1:100 turns ratio and an inductance of 14.8 mH. The component supports a rated current of 15 A with a secondary coil resistance of 850 mOhms. Operating within a frequency range of 50 kHz to 500 kHz, it measures 14.6 mm in length, 12.6 mm in width, and 7.1 mm in height.

Feature Summary

• Surface-mount construction for automated PCB assembly
• High-frequency operation capability up to 500 kHz
• Integrated current sensing functionality with defined turns ratio

Applications

• Switch-mode power supply current monitoring
• Inverter control circuit feedback loops
• High-frequency DC-DC converter protection systems

Procurement Notes

Verify the specific suffix 'R' against official documentation to confirm reel packaging specifications. Confirm end-of-life status as indicated by distributor records. Ensure compatibility with SMD/SMT reflow processes given the physical dimensions and mounting style requirements.

Selection Notes

Select this component when a 1:1:100 turns ratio is required for precise current scaling. Verify that the 15 A primary current rating meets peak load demands. Check that the 14.8 mH inductance aligns with the intended switching frequency range between 50 kHz and 500 kHz for optimal performance.

Part Context

This part belongs to the current sense transformer category from Murata Power Solutions. It utilizes a planar or similar SMD architecture suitable for compact power electronics designs. The device serves as a critical interface for isolating and measuring high-frequency currents in modern power conversion topologies.

Replacement Considerations

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