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Hot Products

HAH3DR 900-S07/SP3 , HAH3DR900-S07/SP3

Second. Nominal Signal[Instantaneous:Voltage 2.5 +/- 2 V]
  • MacroQuest Part#HAH3DR 900-S07/SP3
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
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    Description FAQ Review
    Description

    LEM HAH3DR 900-S07/SP3 HAH3DR S07 Series Open-Loop Current Transducer


    900A Rated Current x ±900A Measuring Range — Three-Phase Open-Loop Sensor for Automotive Motor Control

     

    LEM HAH3DR 900-S07/SP3 Product Overview

    The HAH3DR 900-S07/SP3 is an open-loop Hall effect current transducer from LEM's HAH3DR S07 series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary (high power) and secondary (electronic circuit) circuits . This transducer is specifically engineered for three-phase measurement in demanding automotive applications, featuring a low-voltage unipolar design . The SP3 variant is configured for PCB mount with press-fit contacts that eliminate the need for soldering, simplifying installation and ensuring reliable connections .

    Rated for 900 A nominal with a ±900 A measuring range, it outputs a ratiometric voltage with ±3.5% accuracy and ±2% linearity . Sensitivity is 2.22 mV/A. Response time is 6 µs and bandwidth is 40 kHz . Supply voltage is +5 V (4.75 to 5.25 V) with a maximum supply current of 60 mA . Operating temperature is -40°C to +125°C . The sensor is designed for unidirectional polarization .

     

    LEM HAH3DR 900-S07/SP3 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    900 A

    Measuring range (IPM)

    ±900 A

    Output signal (VOUT)

    Ratiometric voltage

    Sensitivity

    2.22 mV/A

    Supply voltage (VC)

    4.75 … 5.25 V

    Accuracy (XG)

    ±3.5%

    Linearity (EL)

    ±2%

    Response time (tr)

    6 µs

    Bandwidth (BW)

    DC … 40 kHz

    Operating temp (TA)

    -40°C … +125°C

    Mounting

    PCB (press-fit)

     

    LEM HAH3DR 900-S07/SP3 Key Advantages

    The HAH3DR 900-S07/SP3 employs open-loop Hall effect technology, delivering ±3.5% accuracy and ±2% linearity while maintaining very low thermal offset and sensitivity drift over the full temperature range . The ±900 A range provides accurate measurement for nominal currents up to 900 A, while the 6 µs response time and 40 kHz bandwidth capture fast-changing motor drive and switching waveforms . The PCB-mount design with press-fit contacts eliminates soldering, reduces assembly time, and ensures robust mechanical retention . The fully ratiometric output allows the sensor to share the same power supply as the ADC, preventing errors due to reference mismatch, and the unipolar +5 V supply simplifies system power design . The S07 design is a dedicated three-phase solution that offers a perfect fit for Infineon IGBT modules .

     

    LEM HAH3DR 900-S07/SP3 Typical Applications

    Starter Generators
    Inverters
    HEV applications
    EV applications
    DC/DC converters
    Three-phase motor control

     

    Why Choose the LEM HAH3DR 900-S07/SP3?

    The HAH3DR 900-S07/SP3 combines a 900 A nominal rating with a ±900 A measuring range and ±3.5% accuracy in a PCB-mount, three-phase package optimized for automotive xEV and motor control applications . Manufactured by LEM, it delivers stable, accurate, and safe current measurement for demanding high-power automotive systems. The open-loop Hall effect design with proprietary ASIC offers excellent linearity, very low thermal drift, and high immunity to external interference . The S07/SP3 variant's PCB mount with press-fit contacts and compatibility with Infineon IGBTs provides a streamlined integration path for traction inverters and high-power motor control applications in the automotive sector .

     

    FAQ
    Q
    What is the advantage of MacroQuest?
    A
    Our advantage is that we not only low prices, but we more suited to you.
    Our Keywords is
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    A: MacroQuest has been devoted to offer a best price to our customers,if you want to buy it at a cheapper price. Please contact us directly to see if we can negotiate  a cheaper price rate. Or, send us an email with your T/P.
    Simon Hsu
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    Q：Are all the parts new and original?
    -A:Yes, all parts are new and original checked by our quality control department.

    Q：How long is your warranty?
    -A:We offer a 1 year warranty for form fit and function for MacroQuest stock. 


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    Review
    Foster
    Mar 29, 2026
    Hope we can have more Excellent cooperations in the near future.
    Dione
    Feb 28, 2026
    good seller
    Eunice
    Sep 06, 2025
    Good quality, good service.
    Sophie
    Feb 08, 2025
    Good product, good quality and good service.
    Queenie
    Jan 13, 2024
    Excellent company!! Quick shimpent on an availibility of a very difficult part.
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