FHS Series

Small footprint field sensor with state-of-the-art performances

FHS AH - Magnetic Field Sensor

The FHS AH field sensor is LEM's latest surface mount design (SMD) open-loop current sensor, relying on the Hall effect principle. It benefits from enhanced sensitivity and accurate temperature stress compensation. It can be used to measure DC, AC, pulsed, and mixed currents. This field sensor is equipped with an Integrated Magnetic Circuit (IMC) which optimizes sensitivity, allowing for a versatile and compact design that eliminates the need for an external magnetic core concentrator.

This sensor is an ideal choice to measure current flow within a conductor like a PCB track. Strong isolation between the primary circuit and transducer electronics can be achieved using a double-sided PCB, making it a highly effective solution.

Cost-effective, small footprint in a SOIC 8 package

FHS AH

FHS Series Magnetic Field Sensor

Key Features

  • Hall effect current sensor with Integrated Magnetic Concentrator (IMC)
  • Magnetic field measurement range ±3.3 mT
  • Supply voltage 5 V
  • Low power consumption
  • High bandwidth: 160 kHz
  • Sensitivity range up over to 200 mV/A
  • Isolated current measurement
  • Small footprint with standard SOIC8 surface mount PCB
  • Low cost, Small size
  • Excellent linearity
  • No power loss in primary circuit
  • Internal reference voltage
     

Applications

 

FHS AH AT A GLANCE

Product

Order

DocumentNominal
sensitivity [mV/A]
Sensitivity rangeMagnetic field 
measurement range
Supply 
Voltage [Uc]
BandwidthTemp. range [°C]
FHS AH 600

Datasheet
3D
600200 mV/A±3.35V160 KHz-40 to 125°C

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