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Hot Products

HSTDR400-000

HOT OFFER// Authorized Distributor
  • MacroQuest Part#HSTDR400-000
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
    • $44.77 - $54.17
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    1-24 PCS $54.17
    25-224 PCS $49.25
    >=225 PCS $44.77
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    Description FAQ Review
    Description

    LEM HSTDR 400-000 Automotive Current Transducer

     

    LEM HSTDR 400-000 Product Overview

    The HSTDR 400-000 is an open-loop Hall effect current transducer from LEM's HSTDR-000 family, specifically designed for DC, AC, or pulsed current measurement in high-power, low-voltage automotive applications. It provides galvanic separation between the primary circuit (high power) and the secondary circuit, ensuring safety and signal integrity in demanding environments.

    Rated for 400 A nominal primary current with a measuring range of ±400 A, the device provides an instantaneous voltage output signal of 2 V. Sensitivity is 5 mV/A, and accuracy is 2.75%. The transducer operates from a 5 V DC single-ended external supply. Operating temperature range is -40°C to +125°C, supporting harsh automotive environments. Mounting is via busbar installation. The device utilizes open-loop Hall effect technology.

     

    LEM HSTDR 400-000 Key Specifications

    Parameter

    Value

    Manufacturer

    LEM Holdings SSA

    Series

    HSTDR

    Measurement Type

    Current (AC + DC)

    Primary Rated Current (IPN)

    400 A

    Measuring Range (IPM)

    ±400 A

    Output Signal Type

    Voltage (Instantaneous)

    Output Signal Value

    2 V

    Sensitivity

    5 mV/A

    Accuracy

    2.75 %

    Supply Voltage

    5 V DC

    Technology

    Open-Loop Hall Effect

    Operating Temp (TA)

    -40°C to +125°C

    Mounting

    Busbar

    Package / Packaging

    Bulk

    Product Status

    Active

     

    LEM HSTDR 400-000 Key Advantages

    The HSTDR 400-000 employs open-loop Hall effect technology, offering a robust solution for DC, AC, and pulsed current measurement with galvanic separation between the primary and secondary circuits. The 400 A measuring range provides full-scale capability matching the nominal current rating, while the 2 V instantaneous output simplifies interface with analog-to-digital converters and control circuitry.

    The wide operating temperature range of -40°C to +125°C ensures reliable performance in automotive environments, from cold start conditions to under-hood heat exposure. The 5 V DC single-supply operation simplifies power integration with standard automotive and industrial power rails. The busbar mounting design accommodates high-current primary conductors without requiring additional hardware.

     

    LEM HSTDR 400-000 Typical Applications

    High-power, low-voltage automotive current measurement
    Battery management systems (BMS) for electric and hybrid vehicles
    DC/DC converter feedback and control
    Inverter current sensing
    Motor drive current monitoring
    Industrial power conversion systems
    Renewable energy current measurement
    Test and measurement equipment for high-current applications

     

    Why Choose the LEM HSTDR 400-000?

    The HSTDR 400-000 combines 400 A nominal current, 2 V instantaneous output, and open-loop Hall effect reliability in a busbar-mount package from LEM, a global leader in current sensing technology. It delivers stable, accurate current measurement for automotive and industrial applications where galvanic isolation, wide temperature operation, and design simplicity are critical. The HSTDR-000 family offers a range of current ratings from 300 A to 1500 A, supporting scalability across different power levels. With an active product status and availability from multiple distributors, the HSTDR 400-000 is a versatile solution for demanding current sensing applications.

     

    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
    New and original parts
    Fast Delivery
    Instock & available
    Short Leadtime
    30-Days returns
    ISO9001 Certification
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    Q: I want to work with MacroQuest because of high quality. But I found your price too high and out of line with the prevailing market level, how should I do?
    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
    simon@mymacroquest.com
    Alice Wang
    alice@mymacroquest.com

    Q: Can MacroQuest offer NET terms?
    A: Yes we can. Please contact with your sales manager for more information.

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    -A:You have three ways to request a quote:
    1.Choose an item using a search box or browsing through product categories.Click on "Request Quote" button on the Product page.
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    3.If you have a BOM list or want to email us directly, please contact:
    Simon Hsu
    simon@mymacroquest.com
    Alice Wang
    alice@mymacroquest.com

    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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