ACHS-7123 Current Sensor Carrier (±30A)

PololuSKU: RB-Pol-820
Manufacturer #: 4032

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  • ACHS-7123 Current Sensor Carrier (±30A)
  • Has typically a conductive path internal resistance of 0.7 mΩ
  • Features a PCB made with 2-oz copper
  • Can tolerate 100 ms transient current spikes up to 100 A
  • Offers a wide operating temperature range of -40 to 110 °C

This ACHS-7123 Current Sensor Carrier (±30A) is a simple carrier of Broadcom’s ±30 A ACHS-7123 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation up to 3 kV RMS.

This version accepts a bidirectional current input with a magnitude up to 30 A and outputs a proportional analog voltage (66 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 to 5.5 V and is intended for use in 5 V systems.

  • 1 x ACHS-7123 Current Sensor Carrier (±30A)


  • 0.7 x 0.8"
  • Current sense: 0.066 V/A
  • Minimum logic voltage: 4.5 V
  • Maximum logic voltage: 5.5 V
  • Weight: 1.1 g
  • Supply current: 15 mA
  • Version: -30 to +30 A

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