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 0.08 OHM 1% 3W 2512CRA2512-FZ-R080ELFRES 0.08 OHM 1% 3W 25123WMetal Element143311 - Immediate$0.41View Details
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 25123WMetal Element270937 - Immediate$0.63View Details
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WMetal Element219150 - Immediate$0.63View Details
RES 0.05 OHM 1% 3W 2512CRA2512-FZ-R050ELFRES 0.05 OHM 1% 3W 25123WMetal Element129210 - Immediate$0.63View Details
RES 0.1 OHM 1% 3W 2512CRA2512-FZ-R100ELFRES 0.1 OHM 1% 3W 25123WMetal Element96019 - Immediate$0.63View Details

PWR220T-20 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES 50 OHM 1% 20W TO220-2PWR220T-20-50R0FRES 50 OHM 1% 20W TO220-220WThick Film2398 - Immediate$3.98View Details
RES 10 OHM 1% 20W TO220-2PWR220T-20-10R0FRES 10 OHM 1% 20W TO220-220WThick Film1254 - Immediate$3.98View Details
RES 0.1 OHM 1% 20W TO220-2PWR220T-20-R100FRES 0.1 OHM 1% 20W TO220-220WThick Film692 - Immediate$5.45View Details
RES 5 OHM 5% 20W TO220-2PWR220T-20-5R00JRES 5 OHM 5% 20W TO220-220WThick Film568 - Immediate$3.69View Details
RES 50 OHM 5% 20W TO220-2PWR220T-20-50R0JRES 50 OHM 5% 20W TO220-220WThick Film401 - Immediate$3.69View 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 Film254 - Immediate$2.80View Details
RES 1 OHM 5% 35W TO220-2PWR220T-35-1R00JRES 1 OHM 5% 35W TO220-235WThick Film710 - Immediate$2.97View Details
RES 4.7 OHM 1% 35W TO220-2PWR220T-35-4R70FRES 4.7 OHM 1% 35W TO220-235WThick Film284 - Immediate$3.22View Details
RES 8 OHM 1% 35W TO220-2PWR220T-35-8R00FRES 8 OHM 1% 35W TO220-235WThick Film216 - Immediate$3.60View Details
RES 22 OHM 5% 35W TO220-2PWR220T-35-22R0JRES 22 OHM 5% 35W TO220-235WThick Film9514 - Immediate$3.75View 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 Film2111 - Immediate$5.12View Details
RES SMD 20 OHM 5% 20W D2PAKPWR263S-20-20R0JRES SMD 20 OHM 5% 20W D2PAK20WThick Film230 - Immediate$3.49View Details
RES SMD 47 OHM 5% 20W D2PAKPWR263S-20-47R0JERES SMD 47 OHM 5% 20W D2PAK20WThick Film1495 - Immediate$4.37View Details
RES SMD 150 OHM 5% 20W D2PAKPWR263S-20-1500JERES SMD 150 OHM 5% 20W D2PAK20WThick Film377 - Immediate$4.37View Details
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WThick Film741 - Immediate$5.12View 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 Film4996 - Immediate$3.63View Details
RES SMD 27 OHM 1% 35W D2PAKPWR263S-35-27R0FRES SMD 27 OHM 1% 35W D2PAK35WThick Film4168 - Immediate$3.63View Details
RES SMD 10 OHM 1% 35W D2PAKPWR263S-35-10R0FRES SMD 10 OHM 1% 35W D2PAK35WThick Film467 - Immediate$3.77View Details
RES SMD 20 OHM 1% 35W D2PAKPWR263S-35-20R0FRES SMD 20 OHM 1% 35W D2PAK35WThick Film2296 - Immediate$3.90View Details
RES SMD 7.5 OHM 1% 35W D2PAKPWR263S-35-7R50FRES SMD 7.5 OHM 1% 35W D2PAK35WThick Film1493 - Immediate$3.90View 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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