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 Element157935 - Immediate$0.48View Details
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 25123WMetal Element111171 - Immediate$0.48View Details
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WMetal Element96570 - Immediate$0.48View Details
RES 0.02 OHM 1% 3W 2512CRA2512-FZ-R020ELFRES 0.02 OHM 1% 3W 25123WMetal Element90627 - Immediate$0.48View Details
RES 0.08 OHM 1% 3W 2512CRA2512-FZ-R080ELFRES 0.08 OHM 1% 3W 25123WMetal Element77721 - Immediate$0.48View 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$4.46View Details
RES 0.1 OHM 1% 20W TO220-2PWR220T-20-R100FRES 0.1 OHM 1% 20W TO220-220WThick Film821 - Immediate$6.12View Details
RES 5 OHM 5% 20W TO220-2PWR220T-20-5R00JRES 5 OHM 5% 20W TO220-220WThick Film398 - Immediate$4.14View Details
RES 10 OHM 5% 20W TO220-2PWR220T-20-10R0JRES 10 OHM 5% 20W TO220-220WThick Film313 - Immediate$4.14View Details
RES 22 OHM 5% 20W TO220-2PWR220T-20-22R0JRES 22 OHM 5% 20W TO220-220WThick Film295 - Immediate$4.14View 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$4.19View Details
RES 1 OHM 5% 35W TO220-2PWR220T-35-1R00JRES 1 OHM 5% 35W TO220-235WThick Film871 - Immediate$3.14View Details
RES 4.7 OHM 5% 35W TO220-2PWR220T-35-4R70JRES 4.7 OHM 5% 35W TO220-235WThick Film348 - Immediate$3.14View Details
RES 1 OHM 1% 35W TO220-2PWR220T-35-1R00FRES 1 OHM 1% 35W TO220-235WThick Film396 - Immediate$3.41View Details
RES 8 OHM 1% 35W TO220-2PWR220T-35-8R00FRES 8 OHM 1% 35W TO220-235WThick Film315 - Immediate$4.05View 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$5.74View Details
RES SMD 20 OHM 5% 20W D2PAKPWR263S-20-20R0JRES SMD 20 OHM 5% 20W D2PAK20WThick Film1135 - Immediate$3.91View Details
RES SMD 47 OHM 5% 20W D2PAKPWR263S-20-47R0JERES SMD 47 OHM 5% 20W D2PAK20WThick Film495 - Immediate$4.88View Details
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WThick Film975 - Immediate$5.74View Details
RES SMD 15 OHM 1% 20W D2PAKPWR263S-20-15R0FERES SMD 15 OHM 1% 20W D2PAK20WThick Film447 - Immediate$5.74View 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$4.08View Details
RES SMD 20 OHM 1% 35W D2PAKPWR263S-35-20R0FRES SMD 20 OHM 1% 35W D2PAK35WThick Film2800 - Immediate$4.38View Details
RES SMD 4 OHM 1% 35W D2PAKPWR263S-35-4R00FRES SMD 4 OHM 1% 35W D2PAK35WThick Film4281 - Immediate$4.51View Details
RES SMD 2 OHM 1% 35W D2PAKPWR263S-35-2R00FRES SMD 2 OHM 1% 35W D2PAK35WThick Film1280 - Immediate$4.70View Details
RES SMD 50 OHM 1% 35W D2PAKPWR263S-35-50R0FERES SMD 50 OHM 1% 35W D2PAK35WThick Film1007 - Immediate$4.70View 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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