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Hot Products

HAH1BVWS/D09,HAH1BVW S/D09

HOT OFFER// Authorized Distributor
  • MacroQuest Part#HAH1BVWS/D09
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
    • $26.36 - $41.86
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    100-219 Pieces $35.85
    >=220 Pieces $26.36
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    Description FAQ Review
    Description

    LEM HAH1BVW S/D09 Open-Loop Hall Effect Current Sensor

     

    LEM HAH1BVW S/D09 Product Overview

    The HAH1BVW S/D09 is an open-loop Hall effect current sensor from LEM's HAH1BVW series, designed for electronic measurement of DC, AC, and pulsed currents in automotive high-power and low-voltage applications. This series is specifically optimized for automotive Battery Management Systems (BMS) , featuring busbar mounting design and offering multiple current measurement ranges in the same package.

    The HAH1BVW series is the upgraded replacement for the HAH1BV series, featuring an upgraded internal Hall chip with improved accuracy.

     

    LEM HAH1BVW S/D09 Key Technical Specifications

    Parameter

    Specification

    Model

    HAH1BVW S/D09

    Series

    HAH1BVW

    Measurement Technology

    Open-loop Hall Effect

    Primary Signal

    AC + DC

    Supply Voltage

    4.5V ~ 5.5V (typical 5V, unipolar)

    Output Signal

    Fully ratiometric voltage output

    Operating Temperature

    -40℃ ~ +125℃

    Mounting Type

    Busbar Mounting

    Case Material

    PBT GF30 (Polybutylene Terephthalate + 30% Glass Fiber Reinforced)

    Mass

    57g ± 5%

    Mounting Torque

    2.2 N·m ± 5%

    Insulation Test Voltage

    2500 V AC / 1 minute

    Insulation Resistance

    ≥500 MΩ @ 500V DC / 60s

    RoHS

    Compliant

     

    LEM HAH1BVW S/D09 Key Advantages

    Automotive-Grade Wide Temperature Design: -40°C to +125°C operating temperature range ensures stable operation under extreme environments

    Open-Loop Hall Technology, Non-Contact Measurement: No insertion loss, extremely low thermal offset drift and thermal sensitivity drift, stable measurement accuracy across the full temperature range

    Fully Ratiometric Output: Output voltage proportional to supply voltage, accurately replicates primary current variation profile

    Busbar Mounting Design, Compact Structure: Optimized for direct copper bar installation, easy to integrate into battery packs

    Single +5V Supply: Seamlessly interfaces with automotive onboard power systems, simplifying vehicle electrical integration

    High Isolation Rating: 2500V AC insulation withstand voltage test ensures high-voltage safety

     

    Why Choose the HAH1BVW S/D09?

    Customer Pain Point

    HAH1BVW S/D09 Solution

    Automotive BMS requires high-precision current monitoring

    Open-loop Hall technology, automotive-grade accuracy

    Wide temperature variations in automotive environments cause accuracy drift

    -40°C~+125°C wide temperature design, ultra-low thermal drift

    Limited installation space

    57g compact package, busbar mounting design

    Different power levels require different ranges

    HAH1BVW series offers multiple current measurement ranges in the same package

     

    LEM HAH1BVW S/D09 Target Applications

    Automotive Battery Management Systems (BMS): Power battery charge/discharge current monitoring, SoC estimation

     

     

    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
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    Instock & available
    Short Leadtime
    30-Days returns
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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
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    A: Yes we can. Please contact with your sales manager for more information.

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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
    Georgette
    Jan 06, 2026
    wonderful products and great sellers!
    Gezi
    Dec 16, 2025
    Re-order
    Maura
    Nov 29, 2025
    The quality is very good, which is beyond my expectation.
    Winifred
    Oct 20, 2025
    This Company is a really good Company. We have done a few deals with them.
    Minnie
    Sep 27, 2025
    Very Satisfied
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