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.

CRA2512 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES 0.1 OHM 1% 3W 2512CRA2512-FZ-R100ELFRES 0.1 OHM 1% 3W 25123WMetal Element171005 - Immediate$4.49View Details
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 25123WMetal Element111621 - Immediate$4.49View Details
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WMetal Element96891 - Immediate$4.49View Details
RES 0.02 OHM 1% 3W 2512CRA2512-FZ-R020ELFRES 0.02 OHM 1% 3W 25123WMetal Element90762 - Immediate$4.49View Details
RES 0.05 OHM 1% 3W 2512CRA2512-FZ-R050ELFRES 0.05 OHM 1% 3W 25123WMetal Element88237 - Immediate$4.49View Details

PWR220T-20 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES 10 OHM 1% 20W TO220-2PWR220T-20-10R0FRES 10 OHM 1% 20W TO220-220WThick Film983 - Immediate$42.10View Details
RES 0.1 OHM 1% 20W TO220-2PWR220T-20-R100FRES 0.1 OHM 1% 20W TO220-220WThick Film824 - Immediate$57.84View Details
RES 5 OHM 5% 20W TO220-2PWR220T-20-5R00JRES 5 OHM 5% 20W TO220-220WThick Film398 - Immediate$39.08View Details
RES 10 OHM 5% 20W TO220-2PWR220T-20-10R0JRES 10 OHM 5% 20W TO220-220WThick Film313 - Immediate$39.08View Details
RES 22 OHM 5% 20W TO220-2PWR220T-20-22R0JRES 22 OHM 5% 20W TO220-220WThick Film295 - Immediate$39.08View Details

PWR220T-35 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPriceView Details
RES 22 OHM 5% 35W TO220-2PWR220T-35-22R0JRES 22 OHM 5% 35W TO220-235WThick Film5415 - Immediate$39.57View Details
RES 1 OHM 5% 35W TO220-2PWR220T-35-1R00JRES 1 OHM 5% 35W TO220-235WThick Film871 - Immediate$29.70View Details
RES 4.7 OHM 5% 35W TO220-2PWR220T-35-4R70JRES 4.7 OHM 5% 35W TO220-235WThick Film348 - Immediate$29.70View Details
RES 1 OHM 1% 35W TO220-2PWR220T-35-1R00FRES 1 OHM 1% 35W TO220-235WThick Film400 - Immediate$32.23View Details
RES 8 OHM 1% 35W TO220-2PWR220T-35-8R00FRES 8 OHM 1% 35W TO220-235WThick Film317 - Immediate$38.26View Details

PWR263S-20 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES SMD 10 OHM 1% 20W D2PAKPWR263S-20-10R0FERES SMD 10 OHM 1% 20W D2PAK20WThick Film1449 - Immediate$54.25View Details
RES SMD 20 OHM 5% 20W D2PAKPWR263S-20-20R0JRES SMD 20 OHM 5% 20W D2PAK20WThick Film1135 - Immediate$36.96View Details
RES SMD 47 OHM 5% 20W D2PAKPWR263S-20-47R0JERES SMD 47 OHM 5% 20W D2PAK20WThick Film495 - Immediate$46.10View Details
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WThick Film975 - Immediate$54.25View Details
RES SMD 15 OHM 1% 20W D2PAKPWR263S-20-15R0FERES SMD 15 OHM 1% 20W D2PAK20WThick Film447 - Immediate$54.25View Details

PWR263S-35 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES SMD 75 OHM 1% 35W D2PAKPWR263S-35-75R0FRES SMD 75 OHM 1% 35W D2PAK35WThick Film2468 - Immediate$38.51View Details
RES SMD 4 OHM 1% 35W D2PAKPWR263S-35-4R00FRES SMD 4 OHM 1% 35W D2PAK35WThick Film4481 - Immediate$42.59View Details
RES SMD 2 OHM 1% 35W D2PAKPWR263S-35-2R00FRES SMD 2 OHM 1% 35W D2PAK35WThick Film1290 - Immediate$44.38View Details
RES SMD 50 OHM 1% 35W D2PAKPWR263S-35-50R0FERES SMD 50 OHM 1% 35W D2PAK35WThick Film1007 - Immediate$44.38View Details
RES 470 OHM 5% 35W D2PAKPWR263S-35-4700JERES 470 OHM 5% 35W D2PAK35WThick Film1000 - Immediate$44.38View Details

PWR4412-S Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES 0.01 OHM 1% 1W RADIALPWR4412-2SBR0100FRES 0.01 OHM 1% 1W RADIAL1WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.01 OHM 5% 1W RADIALPWR4412-2SBR0100JRES 0.01 OHM 5% 1W RADIAL1WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.03 OHM 1% 1W RADIALPWR4412-2SBR0300FRES 0.03 OHM 1% 1W RADIAL1WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.03 OHM 5% 1W RADIALPWR4412-2SBR0300JRES 0.03 OHM 5% 1W RADIAL1WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.01 OHM 1% 3W RADIALPWR4412-2SCR0100FRES 0.01 OHM 1% 3W RADIAL3WMetal Element0 - ImmediateSee Page for PricingView Details

PWR4413 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES 0.02 OHM 1% 1W RADIALPWR4413BR020FRES 0.02 OHM 1% 1W RADIAL1WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.1 OHM 1% 3W RADIALPWR4413CR100FRES 0.1 OHM 1% 3W RADIAL3WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.02 OHM 1% 5W RADIALPWR4413DR020FRES 0.02 OHM 1% 5W RADIAL5WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.04 OHM 1% 5W RADIALPWR4413DR040FRES 0.04 OHM 1% 5W RADIAL5WMetal Element0 - ImmediateSee Page for PricingView Details
RES 0.025 OHM 5% 1W RADIALPWR4413BR025JRES 0.025 OHM 5% 1W RADIAL1WMetal Element0 - ImmediateSee Page for PricingView Details
PTM Published on: 2012-02-15

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