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Hot Products

HOB 100-P/SP34 , HOB100-P/SP34

Second. Nominal Signal[Instantaneous:Voltage 1.65 +/- 0.92 V]
  • MacroQuest Part#HOB 100-P/SP34
  • ManufacturerLEM
  • Standard Lead TimeNA
  • Part StatusActive
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    Description FAQ Review
    Description

    LEM HOB 100-P/SP34 HOB-P/SP34 Series Open Loop Hall Effect Current Transducer

     

    LEM HOB 100-P/SP34 Product Overview

    The HOB 100-P/SP34 is an open-loop Hall effect current transducer from LEM's HOB-P/SP34 series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic separation between the primary and secondary circuits . This PCB-mount transducer is optimized for single +3.3 V supply operation and features reinforced insulation with creepage and clearance distances exceeding 11 mm .

    Rated for 100 A nominal with a measuring range of ±250 A , it outputs a ratiometric analog voltage of 1.65 ± 0.92 V at nominal current  with ±1.25% accuracy and ±0.5% linearity . Sensitivity is 9.2 mV/A . Response time is 200 ns and frequency bandwidth is DC to 1 MHz . Supply voltage range is 3.14 V to 3.46 V with a maximum current consumption of 24 mA . Operating temperature ranges from -40°C to +105°C . The integrated primary conductor features very low resistance, and the device is designed for through-hole PCB mounting .

     

    LEM HOB 100-P/SP34 Key Specifications

    Parameter

    Value

    Rated current (IPN)

    100 A

    Measuring range (IPM)

    ±250 A

    Output signal

    Ratiometric voltage (1.65 ± 0.92 V)

    Sensitivity

    9.2 mV/A

    Supply voltage (VC)

    3.14 V to 3.46 V

    Accuracy

    ±1.25 %

    Linearity (εL)

    ±0.5 %

    Response time (tD90)

    200 ns

    Bandwidth (BW)

    1 MHz (-3 dB)

    Insulation

    Reinforced (>11 mm creepage/clearance)

    Operating temp (TA)

    -40°C to +105°C

    Mounting

    PCB (through-hole)

    Technology

    Open-loop Hall effect

     

    LEM HOB 100-P/SP34 Key Advantages

    The HOB 100-P/SP34 employs open-loop Hall effect technology, delivering ±1.25% accuracy and ±0.5% linearity while providing reinforced galvanic isolation with >11 mm creepage and clearance . A key differentiator is the 1 MHz bandwidth and 200 ns response time, significantly faster than typical 3 µs alternatives, making it perfect for high-frequency SiC and GaN power electronics .

    The single +3.3 V supply simplifies integration into low-voltage digital systems. The design offers low offset temperature drift, high di/dt and dv/dt immunity for reliable operation in noisy power electronics environments, and is factory calibrated . The integrated primary conductor with very low resistance minimizes power losses .

     

    LEM HOB 100-P/SP34 Typical Applications

    AC variable speed drives and servo motor drives
    Static converters for DC motor drives
    Battery supplied applications
    Uninterruptible Power Supplies (UPS)
    Switched Mode Power Supplies (SMPS)
    Combiner box
    Solar inverter on DC side of the inverter (MPPT)
    Plasma cutters and welding equipment
    Charging stations

     

    Why Choose the LEM HOB 100-P/SP34?

    The HOB 100-P/SP34 combines a 100 A rated current and ±250 A measuring range with 1 MHz bandwidth and 200 ns response time in a compact PCB-mount package with a single +3.3 V supply. Manufactured by LEM, it delivers stable, accurate, and safe current measurement for high-frequency industrial applications. The open-loop Hall effect design offers a cost-effective solution with excellent interference immunity and wide -40°C to +105°C operating temperature range . The reinforced insulation with >11 mm creepage and clearance ensures safe operation in demanding environments. The product complies with IEC 61010-1, IEC 61800, and UL 508 standards .

     

    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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    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
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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
    Maureen
    Jan 24, 2026
    We received the product, very satisfied. Good seller, very patient.
    Primrose
    Sep 15, 2025
    Strongly support
    Zenobia
    Sep 02, 2025
    It is very good and reliable company. hope to do more businesses with you.
    Tracey
    Apr 01, 2025
    Smooth Deal.
    Sabine
    Apr 08, 2024
    You won't regret choosing it
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