VideoLibrary

How to use Fair-Rite's Toroid Permeability Calculator

Lost the data sheet to the toroid you're using? Found a toroid hiding out in a box somewhere and can't identify the material? Follow along with Anton Nilsen, Field Application Engineer, as he walks you through successfully using Fair-Rite's Toroid.

2/17/2023 8:24:14 PM

Part List

ImageManufacturer Part NumberDescriptionCore TypeSupplier Device PackageDiameterAvailable QuantityPriceView Details
FERRITE CORE TOROID 245NH5980000201FERRITE CORE TOROID 245NHToroid-0.374" (9.50mm)2512 - Immediate$57.78View Details
FERRITE CORE TOROID 8.1UH 755975011121FERRITE CORE TOROID 8.1UH 75Toroid-7585 - Immediate$2,141.41View Details
FERRITE CORE TOROID 355NH5980001801FERRITE CORE TOROID 355NHToroid-0.870" (22.10mm)913 - Immediate$205.94View Details
FERRITE CORE TOROID 6.85UH 755975003821FERRITE CORE TOROID 6.85UH 75Toroid-75159 - Immediate$1,545.96View Details
FERRITE CORE TOROID 435943001301FERRITE CORE TOROID 43Toroid-431133 - Immediate$176.12View Details
FERRITE CORE TOROID 785978002101FERRITE CORE TOROID 78Toroid-7848 - Immediate$35.41View Details
FERRITE CORE TOROID 350NH5980001001FERRITE CORE TOROID 350NHToroid-350 nH384 - Immediate$328.95View Details
FERRITE CORE TOROID 685968002701FERRITE CORE TOROID 68Toroid-68874 - Immediate$841.47View Details
FERRITE CORE TOROID 435943000901FERRITE CORE TOROID 43Toroid-432406 - Immediate$11.18View Details
FERRITE CORE TOROID 435943001001FERRITE CORE TOROID 43Toroid-433362 - Immediate$200.35View Details
FERRITE CORE TOROID 435943015901FERRITE CORE TOROID 43Toroid-4338 - Immediate$4,357.38View Details
FERRITE CORE TOROID 675967000301FERRITE CORE TOROID 67Toroid-6713224 - Immediate$105.30View Details
FERRITE CORE TOROID 685968003801FERRITE CORE TOROID 68Toroid-68149 - Immediate$1,816.20View Details
FERRITE CORE TOROID 785978007601FERRITE CORE TOROID 78Toroid-78541 - Immediate$243.22View Details
FERRITE CORE TOROID 775977000501FERRITE CORE TOROID 77Toroid-770 - Immediate$169.60View Details
FERRITE CORE TOROID 435943005101FERRITE CORE TOROID 43Toroid-439115 - Immediate$88.53View Details
FERRITE CORE TOROID 775977001201FERRITE CORE TOROID 77Toroid-77910 - Immediate$219.92View Details
FERRITE CORE TOROID 755975001401FERRITE CORE TOROID 75Toroid-75675 - Immediate$247.87View Details
FERRITE CORE TOROID 775977001401FERRITE CORE TOROID 77Toroid-771104 - Immediate$167.73View Details
FERRITE CORE TOROID 755975002701FERRITE CORE TOROID 75Toroid-75247 - Immediate$520.91View Details

Related Videos

Can You Mix Ferrite Choke Materials?
Can You Mix Ferrite Choke Materials?

Publish Date: 2026-05-07

Fair-Rite RPM Lab for AECQ200 Testing
Fair-Rite RPM Lab for AECQ200 Testing

Publish Date: 2026-04-21

S4 Ep 3: $100 vs $60K Impedance Analyzer Showdown
S4 Ep 3: $100 vs $60K Impedance Analyzer Showdown

Publish Date: 2026-03-27

Related Product Highlight

Cores For Common Mode Chokes Fair-Rite's common mode choke cores allow compact and efficient wire winding around a closed-loop core for max EMI suppression and enhanced system reliability.
HF Series High-Frequency Power Toroids Fair-Rite’s HF series high-frequency power toroids are optimized for minimal losses at elevated temperatures and operating frequencies up to 1 MHz.
Coated Toroids Fair-Rite’s line of coated toroidal cores provides a higher reliability solution to conventional bare toroids.

Related Product Training Modules

Using and Understanding Material Data Sheets Fair-Rite Products' material data sheets list key characteristics and magnetics properties of the electromagnetic material used in ferrites.
Terms & Conditions Privacy Notice Cookie Settings
Copyright © 1995-2026, DigiKey. All Rights Reserved.
ECIA Member
This site is protected by VikingCloud's Trusted Commerce program
ECIA Member