L37S200D15J

Current Sensors Overview

The Tamura L37S200D15J is a board mount current sensor from the L37S series, designed for lower dv/dt impulse noise. It features a Hall effect open-loop magnetic proportional system with bidirectional measurement capability. The device supports a primary current rating of 200 A and operates on a 15 V supply voltage, with a range of 12 V to 18 V. Key electrical parameters include a 3 µs response time and a 4 V output voltage. It functions within an operating temperature range of -40°C to +85°C. The module measures 40 mm in length, 30 mm in width, and 30.2 mm in height, weighing 57 g.

Current Sensors Feature Summary

• Designed for lower dv/dt impulse noise immunity
• Bidirectional current measurement capability
• Hall effect open-loop sensing technology
• Single pass-through installation type

Current Sensors Applications

• Industrial motor drive control systems
• Power supply current monitoring
• Inverter and converter protection circuits
• Battery management system testing

Current Sensors Procurement Notes

Verify the specific suffix J against official Tamura documentation to confirm bidirectional functionality and pinout configuration. Ensure the application environment remains within the specified -40°C to +85°C operating temperature range. Confirm that the 15 V supply voltage aligns with the system design constraints before integration. Cross-reference the mechanical dimensions with the PCB layout to ensure proper clearance and mounting compatibility.

Current Sensors Selection Notes

Select this model when bidirectional current sensing is required for applications involving high dv/dt environments. The L37S series offers improved noise immunity compared to standard sensors. Consider the 200 A rating and physical footprint relative to available board space. Verify that the 3 µs response time meets the dynamic requirements of the target circuit. Compare with the M variant if unidirectional operation suffices for the specific use case.

Current Sensors Part Context

The L37S200D15J belongs to the Tamura L37S family of board mount current sensors. This series includes 14 models across two versions: L37SxxxD15M and L37SxxxD15J. The J suffix denotes the bidirectional version, distinguishing it from the unidirectional M variant. These sensors utilize magnetic proportional systems to provide accurate current feedback in demanding industrial power electronics applications.

Current Sensors Replacement Considerations

The L37S200D15M is a related model within the same series but typically represents the unidirectional variant. Verify functional differences regarding current directionality before substitution. Other L37S models may offer different current ratings or package configurations. Consult official Tamura documentation to confirm pin-to-pin compatibility and electrical equivalence for direct replacement scenarios.