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

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPreț
RES 0.05 OHM 1% 3W 2512CRA2512-FZ-R050ELFRES 0.05 OHM 1% 3W 25123WElement metal314648 - Immediate$2.38Vedeți detalii
RES 0.03 OHM 1% 3W 2512CRA2512-FZ-R030ELFRES 0.03 OHM 1% 3W 25123WElement metal269707 - Immediate$2.38Vedeți detalii
RES 0.01 OHM 1% 3W 2512CRA2512-FZ-R010ELFRES 0.01 OHM 1% 3W 25123WElement metal223144 - Immediate$2.38Vedeți detalii
RES 0.025 OHM 1% 3W 2512CRA2512-FZ-R025ELFRES 0.025 OHM 1% 3W 25123WElement metal215121 - Immediate$2.38Vedeți detalii
RES 0.08 OHM 1% 3W 2512CRA2512-FZ-R080ELFRES 0.08 OHM 1% 3W 25123WElement metal139136 - Immediate$2.38Vedeți detalii

PWR220T-20 Series

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPreț
RES 10 OHM 1% 20W TO220-2PWR220T-20-10R0FRES 10 OHM 1% 20W TO220-220WPeliculă groasă3690 - Immediate$23.06Vedeți detalii
RES 50 OHM 1% 20W TO220-2PWR220T-20-50R0FRES 50 OHM 1% 20W TO220-220WPeliculă groasă2191 - Immediate$23.06Vedeți detalii
RES 0.1 OHM 1% 20W TO220-2PWR220T-20-R100FRES 0.1 OHM 1% 20W TO220-220WPeliculă groasă328 - Immediate$31.60Vedeți detalii
RES 5 OHM 5% 20W TO220-2PWR220T-20-5R00JRES 5 OHM 5% 20W TO220-220WPeliculă groasă557 - Immediate$21.41Vedeți detalii
RES 10K OHM 1% 20W TO220-2PWR220T-20-1002FRES 10K OHM 1% 20W TO220-220WPeliculă groasă6902 - Immediate$23.06Vedeți detalii

PWR220T-35 Series

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPrețVedeți detalii
RES 4.7 OHM 5% 35W TO220-2PWR220T-35-4R70JRES 4.7 OHM 5% 35W TO220-235WPeliculă groasă1539 - Immediate$16.21Vedeți detalii
RES 1 OHM 5% 35W TO220-2PWR220T-35-1R00JRES 1 OHM 5% 35W TO220-235WPeliculă groasă703 - Immediate$17.21Vedeți detalii
RES 10K OHM 1% 35W TO220-2PWR220T-35-1002FRES 10K OHM 1% 35W TO220-235WPeliculă groasă184 - Immediate$17.21Vedeți detalii
RES 4.7 OHM 1% 35W TO220-2PWR220T-35-4R70FRES 4.7 OHM 1% 35W TO220-235WPeliculă groasă274 - Immediate$18.68Vedeți detalii
RES 8 OHM 1% 35W TO220-2PWR220T-35-8R00FRES 8 OHM 1% 35W TO220-235WPeliculă groasă214 - Immediate$20.89Vedeți detalii

PWR263S-20 Series

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPreț
RES SMD 20 OHM 5% 20W D2PAKPWR263S-20-20R0JRES SMD 20 OHM 5% 20W D2PAK20WPeliculă groasă220 - Immediate$20.20Vedeți detalii
RES SMD 47 OHM 5% 20W D2PAKPWR263S-20-47R0JERES SMD 47 OHM 5% 20W D2PAK20WPeliculă groasă1495 - Immediate$25.32Vedeți detalii
RES SMD 150 OHM 5% 20W D2PAKPWR263S-20-1500JERES SMD 150 OHM 5% 20W D2PAK20WPeliculă groasă377 - Immediate$25.32Vedeți detalii
RES SMD 10 OHM 1% 20W D2PAKPWR263S-20-10R0FERES SMD 10 OHM 1% 20W D2PAK20WPeliculă groasă2111 - Immediate$29.69Vedeți detalii
RES SMD 20 OHM 1% 20W D2PAKPWR263S-20-20R0FERES SMD 20 OHM 1% 20W D2PAK20WPeliculă groasă741 - Immediate$29.69Vedeți detalii

PWR263S-35 Series

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPreț
RES SMD 75 OHM 1% 35W D2PAKPWR263S-35-75R0FRES SMD 75 OHM 1% 35W D2PAK35WPeliculă groasă4932 - Immediate$21.02Vedeți detalii
RES SMD 10 OHM 1% 35W D2PAKPWR263S-35-10R0FRES SMD 10 OHM 1% 35W D2PAK35WPeliculă groasă289 - Immediate$21.85Vedeți detalii
RES SMD 20 OHM 1% 35W D2PAKPWR263S-35-20R0FRES SMD 20 OHM 1% 35W D2PAK35WPeliculă groasă6836 - Immediate$22.63Vedeți detalii
RES SMD 7.5 OHM 1% 35W D2PAKPWR263S-35-7R50FRES SMD 7.5 OHM 1% 35W D2PAK35WPeliculă groasă3607 - Immediate$22.63Vedeți detalii
RES SMD 5 OHM 1% 35W D2PAKPWR263S-35-5R00FRES SMD 5 OHM 1% 35W D2PAK35WPeliculă groasă5006 - Immediate$24.23Vedeți detalii

PWR4412-S Series

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPreț
RES 0.01 OHM 1% 1W RADIALPWR4412-2SBR0100FRES 0.01 OHM 1% 1W RADIAL1WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.01 OHM 5% 1W RADIALPWR4412-2SBR0100JRES 0.01 OHM 5% 1W RADIAL1WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.03 OHM 1% 1W RADIALPWR4412-2SBR0300FRES 0.03 OHM 1% 1W RADIAL1WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.03 OHM 5% 1W RADIALPWR4412-2SBR0300JRES 0.03 OHM 5% 1W RADIAL1WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.01 OHM 1% 3W RADIALPWR4412-2SCR0100FRES 0.01 OHM 1% 3W RADIAL3WElement metal0 - ImmediateSee Page for PricingVedeți detalii

PWR4413 Series

ImagineManufacturer Part NumberDescrierePutere (wați)CompozițieAvailable QuantityPreț
RES 0.02 OHM 1% 1W RADIALPWR4413BR020FRES 0.02 OHM 1% 1W RADIAL1WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.1 OHM 1% 3W RADIALPWR4413CR100FRES 0.1 OHM 1% 3W RADIAL3WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.02 OHM 1% 5W RADIALPWR4413DR020FRES 0.02 OHM 1% 5W RADIAL5WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.04 OHM 1% 5W RADIALPWR4413DR040FRES 0.04 OHM 1% 5W RADIAL5WElement metal0 - ImmediateSee Page for PricingVedeți detalii
RES 0.025 OHM 5% 1W RADIALPWR4413BR025JRES 0.025 OHM 5% 1W RADIAL1WElement metal0 - ImmediateSee Page for PricingVedeți detalii
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.
Termene și condiții Notificare privind confidențialitatea Setări pentru modulele cookie
Copyright © 1995-2026, DigiKey. Toate drepturile rezervate.
Membru ECIA/CEDA/ECSN
This site is protected by VikingCloud's Trusted Commerce program
Membru ECIA/CEDA/ECSN