STK-120PL

Current Sensors Overview

The STK-120PL is a magnetoresistive, open-loop current sensor designed for measuring AC, DC, pulsed, and irregular currents up to 120A. It utilizes Tunneling-Magnetoresistance (TMR) technology to provide high precision and stability. The device features a ratiometric voltage output and supports a frequency bandwidth of DC to 200 kHz (-3dB). With a step response time optimized for dynamic applications, it ensures accurate signal capture in demanding environments.

Current Sensors Feature Summary

• Utilizes Tunneling-Magnetoresistance (TMR) technology for enhanced measurement accuracy
• Open-loop design suitable for diverse current waveforms including pulsed signals
• Provides ratiometric voltage output for straightforward integration with control systems

Current Sensors Applications

• Automotive advanced driver assistance systems (ADAS)
• Communications equipment power monitoring
• Industrial drive and motor control circuits

Current Sensors Procurement Notes

Verify the specific package variant and pin configuration against the official datasheet before ordering. Ensure the operating temperature range aligns with your system requirements. Confirm that the 120A sensing limit meets the peak current demands of your application circuit without saturation.

Current Sensors Selection Notes

Select this component when high bandwidth up to 200 kHz is required for precise current profiling. The TMR technology offers advantages over traditional Hall sensors in terms of linearity and thermal stability. Consider the open-loop architecture for cost-sensitive designs where magnetic shielding constraints are manageable.

Current Sensors Part Context

This part belongs to the STK-PL series from Sensitec, which leverages advanced magnetic sensing materials. The series is engineered for robust performance in automotive and industrial sectors. It represents a specialized solution for non-invasive current monitoring where size and speed are critical factors.

Current Sensors Replacement Considerations

Check compatibility with existing PCB footprints if substituting other STK-PL variants like the STK-80PL or STK-100PL. Verify electrical interface matching for direct replacement scenarios.