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 0.05 OHM 1% 3W 2512CRA2512-FZ-R050ELFRES 0.05 OHM 1% 3W 25123WMetal Element314648 - Immediate$9.00View Details
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 25123WMetal Element269707 - Immediate$9.00View Details
RES 0.01 OHM 1% 3W 2512CRA2512-FZ-R010ELFRES 0.01 OHM 1% 3W 25123WMetal Element223289 - Immediate$9.00View Details
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WMetal Element215221 - Immediate$9.00View Details
RES 0.08 OHM 1% 3W 2512CRA2512-FZ-R080ELFRES 0.08 OHM 1% 3W 25123WMetal Element139136 - Immediate$9.00View 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 Film3695 - Immediate$87.04View Details
RES 50 OHM 1% 20W TO220-2PWR220T-20-50R0FRES 50 OHM 1% 20W TO220-220WThick Film2192 - Immediate$87.04View Details
RES 0.1 OHM 1% 20W TO220-2PWR220T-20-R100FRES 0.1 OHM 1% 20W TO220-220WThick Film328 - Immediate$119.27View Details
RES 5 OHM 5% 20W TO220-2PWR220T-20-5R00JRES 5 OHM 5% 20W TO220-220WThick Film557 - Immediate$80.82View Details
RES 10K OHM 1% 20W TO220-2PWR220T-20-1002FRES 10K OHM 1% 20W TO220-220WThick Film6902 - Immediate$87.04View Details

PWR220T-35 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPriceView Details
RES 4.7 OHM 5% 35W TO220-2PWR220T-35-4R70JRES 4.7 OHM 5% 35W TO220-235WThick Film1539 - Immediate$61.19View Details
RES 1 OHM 5% 35W TO220-2PWR220T-35-1R00JRES 1 OHM 5% 35W TO220-235WThick Film703 - Immediate$64.95View Details
RES 10K OHM 1% 35W TO220-2PWR220T-35-1002FRES 10K OHM 1% 35W TO220-235WThick Film184 - Immediate$64.95View Details
RES 4.7 OHM 1% 35W TO220-2PWR220T-35-4R70FRES 4.7 OHM 1% 35W TO220-235WThick Film274 - Immediate$70.52View Details
RES 8 OHM 1% 35W TO220-2PWR220T-35-8R00FRES 8 OHM 1% 35W TO220-235WThick Film214 - Immediate$78.86View Details

PWR263S-20 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES SMD 20 OHM 5% 20W D2PAKPWR263S-20-20R0JRES SMD 20 OHM 5% 20W D2PAK20WThick Film220 - Immediate$76.24View Details
RES SMD 47 OHM 5% 20W D2PAKPWR263S-20-47R0JERES SMD 47 OHM 5% 20W D2PAK20WThick Film1495 - Immediate$95.55View Details
RES SMD 150 OHM 5% 20W D2PAKPWR263S-20-1500JERES SMD 150 OHM 5% 20W D2PAK20WThick Film377 - Immediate$95.55View Details
RES SMD 10 OHM 1% 20W D2PAKPWR263S-20-10R0FERES SMD 10 OHM 1% 20W D2PAK20WThick Film2111 - Immediate$112.07View Details
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WThick Film741 - Immediate$112.07View 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 Film4932 - Immediate$79.35View Details
RES SMD 10 OHM 1% 35W D2PAKPWR263S-35-10R0FRES SMD 10 OHM 1% 35W D2PAK35WThick Film289 - Immediate$82.46View Details
RES SMD 20 OHM 1% 35W D2PAKPWR263S-35-20R0FRES SMD 20 OHM 1% 35W D2PAK35WThick Film6836 - Immediate$85.40View Details
RES SMD 7.5 OHM 1% 35W D2PAKPWR263S-35-7R50FRES SMD 7.5 OHM 1% 35W D2PAK35WThick Film3607 - Immediate$85.40View Details
RES SMD 5 OHM 1% 35W D2PAKPWR263S-35-5R00FRES SMD 5 OHM 1% 35W D2PAK35WThick Film5006 - Immediate$91.46View 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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