L37S300D15M

Current Sensors Overview

The Tamura L37S300D15M is a board-mount current sensor utilizing Hall effect open-loop technology. It features a 300 A current rating and operates on a 15 V supply voltage. The device provides a ratiometric voltage output with ±1% linearity accuracy. Key electrical specifications include a 3 µs response time, a maximum supply current of 20 mA, and unidirectional detection capability. The operational temperature range spans from -40°C to +85°C.

Current Sensors Feature Summary

• Hall effect open-loop sensing architecture for DC current measurement
• Ratiometric voltage output ensuring signal proportionality to supply
• High-speed 3 µs response time for dynamic applications
• Unidirectional module design for single-polarity monitoring

Current Sensors Applications

• Industrial monitoring and control systems
• Power supply current feedback loops
• Motor drive protection circuits
• Inverter and converter current sensing

Current Sensors Procurement Notes

Verify the specific manufacturer part number against official Tamura documentation to confirm pinout compatibility and mechanical dimensions. Ensure that the selected variant matches the required thermal management specifications and mounting requirements for the target PCB layout. Cross-reference datasheet revisions to validate performance parameters.

Current Sensors Selection Notes

Select this component when a high-current capacity of 300 A is required alongside fast transient response characteristics. The open-loop Hall effect design offers isolation benefits suitable for industrial environments. Consider the ±1% linearity specification for precision applications requiring accurate proportional voltage representation of the measured current.

Current Sensors Part Context

This model belongs to the Tamura L37S series of board-mount current sensors. The series encompasses various current ratings including 100 A, 200 A, and 600 A variants. These sensors are designed for robust performance in demanding electronic systems, providing reliable current monitoring through standardized module packaging.

Current Sensors Replacement Considerations

L37S200D15M (lower current rating)

Current Sensors FAQ

What is the linearity accuracy of the L37S300D15M?

The device specifies a linearity accuracy of ±1%.

Is the sensor bidirectional or unidirectional?

The L37S300D15M is a unidirectional module designed for single-polarity current detection.