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

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall Pris
RES 0.05 OHM 1% 3W 2512CRA2512-FZ-R050ELFRES 0.05 OHM 1% 3W 25123WMetallelement310282 - Immediate$5.15Vis detaljer
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 25123WMetallelement259057 - Immediate$5.15Vis detaljer
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WMetallelement210792 - Immediate$5.15Vis detaljer
RES 0.01 OHM 1% 3W 2512CRA2512-FZ-R010ELFRES 0.01 OHM 1% 3W 25123WMetallelement190348 - Immediate$5.15Vis detaljer
RES 0.08 OHM 1% 3W 2512CRA2512-FZ-R080ELFRES 0.08 OHM 1% 3W 25123WMetallelement139091 - Immediate$5.15Vis detaljer

PWR220T-20 Series

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall Pris
RES 10 OHM 1% 20W TO220-2PWR220T-20-10R0FRES 10 OHM 1% 20W TO220-220WTykk film3435 - Immediate$52.95Vis detaljer
RES 50 OHM 1% 20W TO220-2PWR220T-20-50R0FRES 50 OHM 1% 20W TO220-220WTykk film2141 - Immediate$53.70Vis detaljer
RES 0.1 OHM 1% 20W TO220-2PWR220T-20-R100FRES 0.1 OHM 1% 20W TO220-220WTykk film323 - Immediate$71.94Vis detaljer
RES 10K OHM 1% 20W TO220-2PWR220T-20-1002FRES 10K OHM 1% 20W TO220-220WTykk film6702 - Immediate$49.77Vis detaljer
RES 7.5 OHM 1% 20W TO220-2PWR220T-20-7R50FRES 7.5 OHM 1% 20W TO220-220WTykk film927 - Immediate$49.77Vis detaljer

PWR220T-35 Series

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall PrisVis detaljer
RES 4.7 OHM 5% 35W TO220-2PWR220T-35-4R70JRES 4.7 OHM 5% 35W TO220-235WTykk film1539 - Immediate$34.99Vis detaljer
RES 1 OHM 5% 35W TO220-2PWR220T-35-1R00JRES 1 OHM 5% 35W TO220-235WTykk film678 - Immediate$39.76Vis detaljer
RES 22 OHM 5% 35W TO220-2PWR220T-35-22R0JRES 22 OHM 5% 35W TO220-235WTykk film9489 - Immediate$46.87Vis detaljer
RES 100 OHM 5% 35W TO220-2PWR220T-35-1000JRES 100 OHM 5% 35W TO220-235WTykk film1716 - Immediate$46.87Vis detaljer
RES 10 OHM 5% 35W TO220-2PWR220T-35-10R0JRES 10 OHM 5% 35W TO220-235WTykk film1663 - Immediate$46.87Vis detaljer

PWR263S-20 Series

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall Pris
RES SMD 47 OHM 5% 20W D2PAKPWR263S-20-47R0JERES SMD 47 OHM 5% 20W D2PAK20WTykk film1495 - Immediate$54.63Vis detaljer
RES SMD 150 OHM 5% 20W D2PAKPWR263S-20-1500JERES SMD 150 OHM 5% 20W D2PAK20WTykk film377 - Immediate$54.63Vis detaljer
RES SMD 10 OHM 1% 20W D2PAKPWR263S-20-10R0FERES SMD 10 OHM 1% 20W D2PAK20WTykk film2111 - Immediate$64.08Vis detaljer
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WTykk film741 - Immediate$64.08Vis detaljer
RES SMD 330 OHM 5% 20W D2PAKPWR263S-20-3300JRES SMD 330 OHM 5% 20W D2PAK20WTykk film364 - Immediate$43.03Vis detaljer

PWR263S-35 Series

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall Pris
RES SMD 75 OHM 1% 35W D2PAKPWR263S-35-75R0FRES SMD 75 OHM 1% 35W D2PAK35WTykk film4812 - Immediate$45.37Vis detaljer
RES SMD 10 OHM 1% 35W D2PAKPWR263S-35-10R0FRES SMD 10 OHM 1% 35W D2PAK35WTykk film189 - Immediate$47.15Vis detaljer
RES SMD 20 OHM 1% 35W D2PAKPWR263S-35-20R0FRES SMD 20 OHM 1% 35W D2PAK35WTykk film6661 - Immediate$48.83Vis detaljer
RES SMD 7.5 OHM 1% 35W D2PAKPWR263S-35-7R50FRES SMD 7.5 OHM 1% 35W D2PAK35WTykk film3217 - Immediate$48.83Vis detaljer
RES SMD 10 OHM 1% 35W D2PAKPWR263S-35-10R0FERES SMD 10 OHM 1% 35W D2PAK35WTykk film5993 - Immediate$54.35Vis detaljer

PWR4412-S Series

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall Pris
RES 0.01 OHM 1% 1W RADIALPWR4412-2SBR0100FRES 0.01 OHM 1% 1W RADIAL1WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.01 OHM 5% 1W RADIALPWR4412-2SBR0100JRES 0.01 OHM 5% 1W RADIAL1WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.03 OHM 1% 1W RADIALPWR4412-2SBR0300FRES 0.03 OHM 1% 1W RADIAL1WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.03 OHM 5% 1W RADIALPWR4412-2SBR0300JRES 0.03 OHM 5% 1W RADIAL1WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.01 OHM 1% 3W RADIALPWR4412-2SCR0100FRES 0.01 OHM 1% 3W RADIAL3WMetallelement0 - ImmediateSee Page for PricingVis detaljer

PWR4413 Series

BildeManufacturer Part NumberBeskrivelseEffekt (watt)SammensettingTilgjengelig antall Pris
RES 0.02 OHM 1% 1W RADIALPWR4413BR020FRES 0.02 OHM 1% 1W RADIAL1WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.1 OHM 1% 3W RADIALPWR4413CR100FRES 0.1 OHM 1% 3W RADIAL3WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.02 OHM 1% 5W RADIALPWR4413DR020FRES 0.02 OHM 1% 5W RADIAL5WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.04 OHM 1% 5W RADIALPWR4413DR040FRES 0.04 OHM 1% 5W RADIAL5WMetallelement0 - ImmediateSee Page for PricingVis detaljer
RES 0.025 OHM 5% 1W RADIALPWR4413BR025JRES 0.025 OHM 5% 1W RADIAL1WMetallelement0 - ImmediateSee Page for PricingVis detaljer
PTM Published on: 2012-02-15

Related Videos

Better with Bourns Corporate Video
Better with Bourns Corporate Video

Publish Date: 2022-06-07

How to Calculate Resistor Bands - ATM: Quick Take | DigiKey
How to Calculate Resistor Bands - ATM: Quick Take | DigiKey

Publish Date: 2021-08-17

Bourns -PWR220T
Bourns -PWR220T

Publish Date: 2012-10-16

Related Product Highlight

PWR220T-20 Series Power Resistor Bourns' PWR220T-20 DPAK-style power resistors are rated to 20 W of continuous power and feature TO-220 housing.

Related Articles and Blogs

Creating Efficient Motor Control Solutions Electric motors in a broad span of applications consume more than half of all electric energy produced, and stringent regulations are renewing the attention that goes into designing them.

Related Product Training Modules

Power Resistor Protects high power circuits from component failure. Wide range of standard fixed resistors are available in mount or flanged assemblies.
Thick Film PWR263S-20 Power Resistor The low inductance and resistance to high energy pulses make it ideal for fast switching circuits in automotive, industrial, telecom, and military applications.
Vilkår og betingelser Personvernerklæring Innstillinger for informasjonskapsler (cookies)
Copyright © 1995-2026, DigiKey. Med enerett.
ECIA Member
This site is protected by VikingCloud's Trusted Commerce program
ECIA Member