Magnetics is a leading global supplier of precision soft magnetic components including powder cores, ferrite cores, and tape wound cores for power electronics applications.
Parts that are not part of a series
Company background and product focus
Magnetics, a division of Spang & Company, is a world leader in the research, design, and manufacturing of precision soft magnetic components. The company is unique as the only global supplier offering development and manufacturing operations for powder cores, ferrite cores, and strip wound cores under one roof.
Their extensive product portfolio includes proprietary powder core materials such as Kool Mu (sendust), MPP (molypermalloy), Kool Mu MAX, High Flux, XFlux, and 75-Series materials. Magnetics also manufactures manganese-zinc soft ferrite cores known for their low coercivity and excellent high-frequency performance.
These magnetic components are essential for:
© 2026 Zenode. All rights reserved.




Product families from Magnetics, a division of Spang & Co.
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
No series available
This manufacturer doesn't have any product series listed yet. Check back later or contact us if you're looking for specific parts.
Parts from Magnetics, a division of Spang & Co. that are not part of a series
| Part Information | Pricing (lowest) | Material | Effective Area (Ae) | Diameter | Effective Magnetic Volume (Ve) | Inductance Factor (Al) | Tolerance | Finish | Height | Gap | Core Type | Effective Length (le) | Initial Permeability (µi) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() Magnetics, a division of Spang & Co. MPP 125 PERM AY 020 SIZE | Sign in to see pricing | MPP | 4.7 mm² | 0.25 " | 64 mm³ | 50 nH | 8 % | Uncoated | 0.11 in | Ungapped | Toroid | 13.6 mm | 125 |
![]() Magnetics, a division of Spang & Co. MPP 026 PERM GREY 020 SIZE | Sign in to see pricing | MPP | 4.7 mm² | 0.25 " | 64 mm³ | 10 nH | 8 % | Uncoated | 0.11 in | Ungapped | Toroid | 13.6 mm | 26 |
![]() Magnetics, a division of Spang & Co. MPP 014 PERM GREY 020 SIZE | Sign in to see pricing | MPP | 4.7 mm² | 0.25 " | 64 mm³ | 6 nH | 8 % | Uncoated | 0.11 in | Ungapped | Toroid | 13.6 mm | 14 |
![]() Magnetics, a division of Spang & Co. MPP 200 PERM AY 030 SIZE | Sign in to see pricing | MPP | 5.99 mm² | 0.31 in | 107 mm³ | 83 nH | 8 % | Uncoated | 0.125 in | Ungapped | Toroid | 17.9 mm | 200 |
![]() Magnetics, a division of Spang & Co. MPP 147 PERM AY 030 SIZE | Sign in to see pricing | MPP | 5.99 mm² | 0.31 in | 107 mm³ | 62 nH | 8 % | Uncoated | 0.125 in | Ungapped | Toroid | 17.9 mm | 147 |
![]() Magnetics, a division of Spang & Co. MPP 125 PERM AY 030 SIZE | Sign in to see pricing | MPP | 5.99 mm² | 0.31 in | 107 mm³ | 52 nH | 8 % | Uncoated | 0.125 in | Ungapped | Toroid | 17.9 mm | 125 |
![]() Magnetics, a division of Spang & Co. MPP 060 PERM AY 030 SIZE | Sign in to see pricing | MPP | 5.99 mm² | 0.31 in | 107 mm³ | 25 nH | 8 % | Uncoated | 0.125 in | Ungapped | Toroid | 17.9 mm | 60 |
![]() Magnetics, a division of Spang & Co. MPP 026 PERM GREY 030 SIZE | Sign in to see pricing | MPP | 5.99 mm² | 0.31 in | 107 mm³ | 11 nH | 8 % | Uncoated | 0.125 in | Ungapped | Toroid | 17.9 mm | 26 |
![]() Magnetics, a division of Spang & Co. MPP 014 PERM GREY 030 SIZE | Sign in to see pricing | MPP | 5.99 mm² | 0.31 in | 107 mm³ | 6 nH | 8 % | Uncoated | 0.125 in | Ungapped | Toroid | 17.9 mm | 14 |
![]() Magnetics, a division of Spang & Co. MPP 300 PERM AY 040 SIZE | Sign in to see pricing | MPP | 9.57 mm² | 0.4 in | 220 mm³ | 159 nH | 8 % | Uncoated | 0.156 in | Ungapped | Toroid | 23 mm | 300 |