(FAQ)A Simple Tip to Avoid a Common Shunt Resistor installation Mistake

Accurate current measurement starts with proper component installation. For high-precision current sensing, understanding shunt polarity is critical—it’s the difference between a reliable reading and a significant error.

A shunt resistor doesn't actively generate a positive or negative voltage. Instead, it creates a voltage drop, and the polarity of that voltage is determined by the direction of current flow. This simple principle is why correct installation is non-negotiable for consistent performance.

To ensure your system gets a predictable, positive feedback signal, follow these simple but crucial guidelines for our shunt resistors:

Installation Method: Orient the shunt so the notched corner is on the bottom right. This is your visual guide.

Current Direction: Ensure the current flows from the left input to the right output.

This deliberate design feature acts as a mistake-proofing (poka-yoke) element, preventing incorrect installation and guaranteeing that your measurements are always aligned with your expectations.

Milliohm Electronic HoFL3 Part Numbers:

Some of our shunts are available at DIGIKEY for customers to purchase the samples and learn more specifications as well. Copy and Click this link to DIGIKEY: //bit.ly/4pvemsm

HoFL3-6918-A-50uR-0.5%
HoFL3-6918-A-50uR-1%
HoFL3-6918-A-100uR-0.5%
HoFL3-6918-A-100uR-1%
HoFL3-6918-B-50uR-0.5%
HoFL3-6918-B-50uR-1%
HoFL3-6918-B-100uR-0.5%
HoFL3-6918-B-100uR-1%
HoFL3-6918-C-50uR-0.5%
HoFL3-6918-C-50uR-1%
HoFL3-6918-C-100uR-0.5%
HoFL3-6918-C-100uR-1%
HoFL3-8436-25uR-0.5%
HoFL3-8436-25uR-1%
HoFL3-8436-50uR-0.5%
HoFL3-8436-50uR-1%
HoFL3-8436-A-25uR-0.5%
HoFL3-8436-A-25uR-1%
HoFL3-8436-A-50uR-0.5%
HoFL3-8436-A-50uR-1%
HoFL3-8436-B-25uR-0.5%
HoFL3-8436-B-25uR-1%
HoFL3-8436-B-50uR-0.5%
HoFL3-8436-B-50uR-1%
HoFL3-8518-A-50uR-0.5%
HoFL3-8518-A-50uR-1%
HoFL3-8518-A-100uR-0.5%
HoFL3-8518-A-100uR-1%
HoFL3-8518-A-250uR-0.5%
HoFL3-8518-A-250uR-1%
HoFL3-8518-B-100uR-0.5%
HoFL3-8518-B-100uR-1%
HoFL3-8518-B-250uR-0.5%
HoFL3-8518-B-250uR-1%
HoFL3-8518-D-50uR-0.5%
HoFL3-8518-D-50uR-1%
HoFL3-8536-25uR-0.5%
HoFL3-8536-25uR-1%
HoFL3-8536-50uR-0.5%
HoFL3-8536-50uR-1%
HoFL3-8536-100uR-0.5%
HoFL3-8536-100uR-1%
HoFL3-8536-A-25uR-0.5%
HoFL3-8536-A-25uR-1%
HoFL3-8536-A-50uR-0.5%
HoFL3-8536-A-50uR-1%
HoFL3-8536-A-100uR-0.5%
HoFL3-8536-A-100uR-1%
HoFL3-8536-B-25uR-0.5%
HoFL3-8536-B-25uR-1%
HoFL3-8536-B-50uR-0.5%
HoFL3-8536-B-50uR-1%
HoFL3-8536-B-100uR-0.5%
HoFL3-8536-B-100uR-1%
HoFL3-9420-A-100uR-0.5%
HoFL3-9420-A-100uR-1%
HoFL3-9420-B-100uR-0.5%
HoFL3-9420-B-100uR-1%