53020C

Current Sense Transformers Overview

The Murata Power Solutions 53020C is a high-accuracy, compact transformer current sensor designed for board mount applications. It features a primary current rating of 10A and offers turn variants ranging from 1:20 to 1:200. The device operates within a frequency range of 50kHz to 500kHz and provides 500Vrms isolation between the primary and secondary windings. Key electrical parameters include an inductance of 0.08 mH (80 µH), a secondary DC resistance of 0.55 ohm, and a primary DC resistance of 7mOhm. This component is RoHS compliant and utilizes a surface mount package.

Current Sense Transformers Feature Summary

• High-accuracy current sensing with compact surface mount design
• Wide frequency operation range from 50kHz to 500kHz
• Robust 500Vrms primary-to-secondary isolation capability

Current Sense Transformers Applications

• AC current monitoring in power supply circuits
• Feedback control loops in switching mode power supplies
• Current protection mechanisms in industrial electronics

Current Sense Transformers Procurement Notes

Verify the specific turns ratio variant required for the application, as the 53020C series includes options such as 1:20 and up to 1:200. Confirm that the operating frequency falls within the specified 50kHz to 500kHz range. Ensure the PCB footprint matches the surface mount package dimensions provided in the official datasheet. Check for RoHS compliance requirements if applicable to the final assembly standards.

Current Sense Transformers Selection Notes

Select the 53020C when high accuracy and compact size are critical for AC current sensing. Consider the 10A primary rating and available turn ratios to match the signal conditioning requirements. Evaluate the 500Vrms isolation voltage against system safety standards. Compare the 50kHz-500kHz frequency response with the switching frequency of the target power circuit to ensure accurate signal transmission without phase shift issues.

Current Sense Transformers Part Context

The 53020C belongs to Murata's line of high-accuracy compact transformer current sensors. These components are engineered for precise AC current measurement in space-constrained designs. The series supports various turn ratios to accommodate different current levels and output signal requirements. They are commonly used in modern power electronics where reliable isolation and wide bandwidth are necessary for effective control and monitoring.

Current Sense Transformers FAQ

What is the isolation voltage rating of the 53020C?

The 53020C provides 500Vrms isolation between the primary and secondary windings.

What is the operating frequency range for this current sensor?

The device is designed to operate effectively within a frequency range of 50kHz to 500kHz.