Stackpole Current Sensing Resistors

Surface mount current sensing solutions from Stackpole

Stackpole offers a wide range of current sensing resistors and shunts for use in power management applications, DC to DC converters, electric motor controls and a wide range of applications in portable electronic devices.

 

Foil on ceramic current sensing chip resistors

Foil on Ceramic Current Sensing Chip Resistors

Low values in small case sizes

The CSRF series of foil on ceramic resistors are available in sizes from 0402 to 4320 and in values down to 2.5 milliohm. Stackpole’s foil on ceramic technology enables small size and low value combinations not currently available using metal strip technology. The 0402 and 0603 sizes are both AEC-Q200 qualified.

Series Power Rating Value Range TCR
CSRF0402 0.25W 3 – 20 mΩ 100-300 ppm/°C
CSRF0603 0.5W 2.5 – 20 mΩ 100-300 ppm/°C
 

High current shunts

High Current Shunts offer elevated resistive element for improved thermal management

Elevated Resistive element for improved thermal management

The HCS series of AEC-Q200 qualified high current shunts are available in sizes from 1206 to 5930 with power ratings to 10W and current handling up to 220A. The raised resistive element improves thermal management, allowing the HCS to operate at full rated power up to 100C and operate safely up to 170C.

Series Power Rating Value Range TCR
HCS1206 2W 0.3 – 1 mΩ 100-300 ppm/°C
HCS2512 1.5-3W 0.3 – 5 mΩ 50-150 ppm/°C
HCS3920 2-5W 0.2 – 5 mΩ 50-200 ppm/°C
 

Metal strip current sensing resistors and shunts

Metal Strip Current Sensing Resistors

Cost effective precision sensing for a variety of applications

The CSNL and CSS/CSSH series of metal strip resistors are available in sizes from 0603 to 4527 with power ratings to 5W. The ultra-stable alloy material allows for precision tolerances to 0.5% and TCRs as low as 15ppm. The CSS/CSSH series is AEC-Q200 qualified.

Series Sizes Power Rating Value Range TCR
CSNL 1206-2512 1-2W 0.5 – 50 mΩ 50 ppm/°C
CSS/CSSH 0603-4527 0.33-5W 0.5 – 100 mΩ 15-50 ppm/°C
 

Engineering sample kits

Engineering Sample Kits

Common values in different technologies, three popular sizes

The CSNL and CSS/CSSH series of metal strip resistors are available in sizes from 0603 to 4527 with power ratings to 5W. The ultra-stable alloy material allows for precision tolerances to 0.5% and TCR’s as low as 15ppm. The CSS/CSSH series is AEC-Q200 qualified.

Series Power Rating # of Values QTY per Value
KIT-CSR1206FT 0.5W 20 25
KIT-CSR2010FT 1W 21 25
KIT-CSR2512FT 2W 27 25
 

Resources

 

Current Sense Resistor Product Overview - Grid

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Current Sense Resistor Product Overview

Stackpole has a wide offering of current sense resistors to provide the optimal solution for a given application. The requirements for resistance, TCR, tolerance, power rating, case size, and cost will determine which series to choose.

Stackpole, Current Sense Module

Application Highlight - LED Lighting Applications - Grid

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Application Highlight - LED Lighting Applications

The LED/lighting market is rapidly expanding and we have several types of resistors offering ideal solutions for LED lights. Here is a basic overview of the components, blocks used and why certain resistor types are used in each part of the circuit.

LED Lighting Applications

Current Sense Resistor Values - Efficiency vs Accuracy - Grid

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Efficiency vs Accuracy - Current Sensing Resistors

Current sensing is an important and increasing market for resistors. Engineers face many decisions when choosing a resistor, including resistance value and its effects on the efficiency of the supply and the accuracy of the power regulation.