FG-R05-4A

Current Sensors Overview

The KEMET FG-R05-4A is a board-mount open-loop fluxgate current sensor designed for high-precision applications. It features an analog and digital output interface, operating on a 5V supply with a 50mA output current capability. The device supports a frequency range of 150Hz to 40/85C temperature operation. Its physical dimensions are specified as 38x31x13mm, providing a compact form factor suitable for space-constrained installations in power electronics systems.

Current Sensors Feature Summary

• Open-loop fluxgate technology ensures high accuracy and linearity for residual current detection
• Dual analog and digital output interfaces facilitate flexible integration into control systems
• Robust construction supports operation within defined thermal and frequency ranges

Current Sensors Applications

• Residual current sensing for In-Cable Control and Protection Devices (IC-CPD)
• Current monitoring in EV wallbox charging stations
• High-precision AC/DC current measurement in power management modules

Current Sensors Procurement Notes

Verify the specific ordering suffix against the official KEMET datasheet to confirm pinout configuration and output type compatibility. Ensure that the procurement documentation explicitly references the FG-R05-4A part number to avoid confusion with similar fluxgate sensors. Cross-check environmental certifications and packaging details with the manufacturer's latest release notes prior to finalizing orders.

Current Sensors Selection Notes

Select this component when precise residual current monitoring is required for safety-critical applications like IC-CPD or wallboxes. The open-loop fluxgate design offers superior stability compared to Hall-effect sensors in noisy environments. Evaluate the 150Hz frequency response and 5V supply constraints against the target system's power budget and signal processing requirements before implementation.

Current Sensors Part Context

The FG-R05-4A belongs to KEMET's specialized fluxgate current sensor family, engineered for high-performance industrial and automotive uses. Unlike standard Hall-effect devices, this model utilizes fluxgate technology to deliver enhanced accuracy and lower drift over temperature. It addresses the growing demand for reliable DC+AC current sensing in electric vehicle infrastructure and smart grid components.

Current Sensors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching the fluxgate topology, 5V supply, and dual-output interface specifications. Consult KEMET engineering for potential obsolescence management or alternative series recommendations if this specific model becomes unavailable.