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Current Sense Resistor

Current Sense Resistor Overview

Bourns Inc.

This presentation will discuss the functions of current sense resistors and review the product offering in the product selection guide. Power considerations and temperature concerns will be reviewed, as well as methods for properly measuring the resistance of these devices. The PWR4412/13 series will be highlighted as examples of how the resistors are designed for a wide range of environments and varying ambient temperatures.
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CRA2512 Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable Quantity
RES 0.01 OHM 1% 3W 2512CRA2512-FZ-R010ELFRES 0.01 OHM 1% 3W 251210 mOhms±1%63857 - ImmediateView Details
RES 0.015 OHM 1% 3W 2512CRA2512-FZ-R015ELFRES 0.015 OHM 1% 3W 251215 mOhms±1%54854 - ImmediateView Details
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 251230 mOhms±1%39738 - ImmediateView Details
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 251225 mOhms±1%32486 - ImmediateView Details
RES 0.1 OHM 1% 3W 2512CRA2512-FZ-R100ELFRES 0.1 OHM 1% 3W 2512100 mOhms±1%81025 - ImmediateView Details

PWR220T-20 Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable Quantity
RES 10 OHM 20W 1% TO220PWR220T-20-10R0FRES 10 OHM 20W 1% TO22010 Ohms±1%1931 - ImmediateView Details
RES 330 OHM 20W 1% TO220PWR220T-20-3300FRES 330 OHM 20W 1% TO220330 Ohms±1%1710 - ImmediateView Details
RES 7.5 OHM 20W 1% TO220PWR220T-20-7R50FRES 7.5 OHM 20W 1% TO2207.5 Ohms±1%1455 - ImmediateView Details
RES 0.5 OHM 20W 1% TO220PWR220T-20-R500FRES 0.5 OHM 20W 1% TO220500 mOhms±1%1494 - ImmediateView Details
RES 5.6 OHM 20W 1% TO220PWR220T-20-5R60FRES 5.6 OHM 20W 1% TO2205.6 Ohms±1%1171 - ImmediateView Details

PWR220T-35 Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable QuantityView Details
RES 10 OHM 35W 5% TO220PWR220T-35-10R0JRES 10 OHM 35W 5% TO22010 Ohms±5%1082 - ImmediateView Details
RES 100 OHM 35W 5% TO220PWR220T-35-1000JRES 100 OHM 35W 5% TO220100 Ohms±5%650 - ImmediateView Details
RES 20 OHM 35W 1% TO220PWR220T-35-20R0FRES 20 OHM 35W 1% TO22020 Ohms±1%244 - ImmediateView Details
RESISTORSPWR220T-35-22R0JRESISTORS22 Ohms±5%5325 - ImmediateView Details
RES 7.5 OHM 35W 5% TO220PWR220T-35-7R50JRES 7.5 OHM 35W 5% TO2207.5 Ohms±5%299 - ImmediateView Details

PWR263S-20 Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable Quantity
RES SMD 20 OHM 5% 20W D2PAKPWR263S-20-20R0JRES SMD 20 OHM 5% 20W D2PAK20 Ohms±5%274 - ImmediateView Details
RES SMD 470 OHM 5% 20W D2PAKPWR263S-20-4700JRES SMD 470 OHM 5% 20W D2PAK470 Ohms±5%342 - ImmediateView Details
RES SMD 30 OHM 5% 20W D2PAKPWR263S-20-30R0JRES SMD 30 OHM 5% 20W D2PAK30 Ohms±5%168 - ImmediateView Details
RES SMD 7.5 OHM 5% 20W D2PAKPWR263S-20-7R50JRES SMD 7.5 OHM 5% 20W D2PAK7.5 Ohms±5%109 - ImmediateView Details
RES SMD 3.3 OHM 1% 20W D2PAKPWR263S-20-3R30FRES SMD 3.3 OHM 1% 20W D2PAK3.3 Ohms±1%110 - ImmediateView Details

PWR263S-35 Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable Quantity
RES SMD 100 OHM 5% 35W D2PAKPWR263S-35-1000JRES SMD 100 OHM 5% 35W D2PAK100 Ohms±5%2643 - ImmediateView Details
RES SMD 15 OHM 5% 35W D2PAKPWR263S-35-15R0JRES SMD 15 OHM 5% 35W D2PAK15 Ohms±5%2326 - ImmediateView Details
RES SMD 4 OHM 1% 35W D2PAKPWR263S-35-4R00FRES SMD 4 OHM 1% 35W D2PAK4 Ohms±1%1939 - ImmediateView Details
RES SMD 20 OHM 1% 35W D2PAKPWR263S-35-20R0FRES SMD 20 OHM 1% 35W D2PAK20 Ohms±1%1120 - ImmediateView Details
RES 0.5 OHM 1% 35W D2PAKPWR263S-35-R500FRES 0.5 OHM 1% 35W D2PAK500 mOhms±1%923 - ImmediateView Details

PWR4412-S Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable Quantity
RES 0.01 OHM 1W 1% RADIALPWR4412-2SBR0100FRES 0.01 OHM 1W 1% RADIAL10 mOhms±1%0View Details
RES 0.01 OHM 1W 5% RADIALPWR4412-2SBR0100JRES 0.01 OHM 1W 5% RADIAL10 mOhms±5%0View Details
RES 0.03 OHM 1W 1% RADIALPWR4412-2SBR0300FRES 0.03 OHM 1W 1% RADIAL30 mOhms±1%0View Details
RES 0.03 OHM 1W 5% RADIALPWR4412-2SBR0300JRES 0.03 OHM 1W 5% RADIAL30 mOhms±5%0View Details
RES 0.01 OHM 3W 1% RADIALPWR4412-2SCR0100FRES 0.01 OHM 3W 1% RADIAL10 mOhms±1%0View Details

PWR4413 Series

ImageManufacturer Part NumberDescriptionResistanceToleranceAvailable Quantity
RES 0.01 OHM 1W 1% RADIALPWR4413BR010FRES 0.01 OHM 1W 1% RADIAL10 mOhms±1%0View Details
RES 0.02 OHM 1W 1% RADIALPWR4413BR020FRES 0.02 OHM 1W 1% RADIAL20 mOhms±1%0View Details
RES 0.025 OHM 1W 1% RADIALPWR4413BR025FRES 0.025 OHM 1W 1% RADIAL25 mOhms±1%0View Details
RES 0.03 OHM 1W 1% RADIALPWR4413BR030FRES 0.03 OHM 1W 1% RADIAL30 mOhms±1%0View Details
RES 0.05 OHM 1W 1% RADIALPWR4413BR050FRES 0.05 OHM 1W 1% RADIAL50 mOhms±1%0View Details
PTM Published on: 2012-02-15