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 0.02 OHM 1% 3W 2512CRA2512-FZ-R020ELFRES 0.02 OHM 1% 3W 25123WMetal Element70389 - Immediate$4.53View Details
RES 0.015 OHM 1% 3W 2512CRA2512-FZ-R015ELFRES 0.015 OHM 1% 3W 25123WMetal Element50947 - Immediate$4.53View Details
RES 0.04 OHM 1% 3W 2512CRA2512-FZ-R040ELFRES 0.04 OHM 1% 3W 25123WMetal Element27477 - Immediate$4.53View Details
RES 0.1 OHM 1% 3W 2512CRA2512-FZ-R100ELFRES 0.1 OHM 1% 3W 25123WMetal Element10334 - Immediate$4.53View Details
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WMetal Element2642 - Immediate$4.53View 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 Film288 - Immediate$42.48View Details
RES 10 OHM 1% 20W TO220-2PWR220T-20-10R0FRES 10 OHM 1% 20W TO220-220WThick Film160 - Immediate$42.48View Details
RES 220 OHM 5% 20W TO220-2PWR220T-20-2200JRES 220 OHM 5% 20W TO220-220WThick Film259 - Immediate$39.43View Details
RES 5 OHM 5% 20W TO220-2PWR220T-20-5R00JRES 5 OHM 5% 20W TO220-220WThick Film204 - Immediate$39.43View Details
RES 50 OHM 5% 20W TO220-2PWR220T-20-50R0JRES 50 OHM 5% 20W TO220-220WThick Film198 - Immediate$39.43View Details

PWR220T-35 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPriceView Details
RES 0.1 OHM 1% 35W TO220-2PWR220T-35-R100FRES 0.1 OHM 1% 35W TO220-235WThick Film318 - Immediate$39.10View Details
RES 5 OHM 5% 35W TO220-2PWR220T-35-5R00JRES 5 OHM 5% 35W TO220-235WThick Film1740 - Immediate$39.93View Details
RES 7.5 OHM 5% 35W TO220-2PWR220T-35-7R50JRES 7.5 OHM 5% 35W TO220-235WThick Film374 - Immediate$39.93View Details
RES 30 OHM 5% 35W TO220-2PWR220T-35-30R0JRES 30 OHM 5% 35W TO220-235WThick Film304 - Immediate$39.93View Details
RES 50 OHM 5% 35W TO220-2PWR220T-35-50R0JRES 50 OHM 5% 35W TO220-235WThick Film227 - Immediate$39.93View 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 Film1104 - Immediate$44.54View Details
RES SMD 15 OHM 1% 20W D2PAKPWR263S-20-15R0FERES SMD 15 OHM 1% 20W D2PAK20WThick Film497 - Immediate$36.80View Details
RES SMD 1K OHM 1% 20W D2PAKPWR263S-20-1001FRES SMD 1K OHM 1% 20W D2PAK20WThick Film160 - Immediate$44.54View Details
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WThick Film500 - Immediate$54.74View Details
RES SMD 10 OHM 5% 20W D2PAKPWR263S-20-10R0JRES SMD 10 OHM 5% 20W D2PAK20WThick Film130 - Immediate$26.26View Details

PWR263S-35 Series

ImageManufacturer Part NumberDescriptionPower (Watts)CompositionAvailable QuantityPrice
RES SMD 2 OHM 1% 35W D2PAKPWR263S-35-2R00FRES SMD 2 OHM 1% 35W D2PAK35WThick Film661 - Immediate$30.46View Details
RES SMD 4 OHM 1% 35W D2PAKPWR263S-35-4R00FRES SMD 4 OHM 1% 35W D2PAK35WThick Film463 - Immediate$34.99View Details
RES SMD 15 OHM 1% 35W D2PAKPWR263S-35-15R0FERES SMD 15 OHM 1% 35W D2PAK35WThick Film5252 - Immediate$37.04View Details
RES SMD 10 OHM 1% 35W D2PAKPWR263S-35-10R0FERES SMD 10 OHM 1% 35W D2PAK35WThick Film222 - Immediate$37.04View Details
RES SMD 1 OHM 1% 35W D2PAKPWR263S-35-1R00FRES SMD 1 OHM 1% 35W D2PAK35WThick Film559 - Immediate$37.62View 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