Size marking on the case is the bare core dimension (OD × ID × H), not the cased or finished size.
Nanocrystalline toroidal core 48×40×8 mm
48×40×8 mm nanocrystalline toroidal core, Black PBT Class B 130C.
CCNT-048-040-008-STBK is a 48×40×8 mm nanocrystalline toroidal core with Black PBT Class B 130C.
In stock
$10.261 piece
Choose a pack, set quantity up to 49 of this pack (49 pieces), then add to cart. When the cart has items, use the cart icon in the header to review them and keep shopping before checkout.
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Volume pricing
Online packs are $10.00 minimum. Buy packs totaling under 50 pieces. 50+ is quoted.
| Pack / qty | Unit price | How to buy |
|---|---|---|
| 1 piece | $10.26 | Buy online |
| Pack of 3 | $9.75 | Buy online |
| Pack of 5 | $9.23 | Buy online |
| Pack of 10 | $8.21 | Buy online |
| 50+ pieces | Quoted | Request quote |
Technical Specifications
Bare core dimensions
Cased / finished dimensions
Magnetic properties
Finish and handling
Environmental
Product photos
Applications and selection
Recommended usage
- small current transformers
- gate-drive transformers
- EMI chokes
DIY & R&D usage
- DIY gate-drive winding
- small current-transformer prototyping
Technical applications
- compact current transformers
- gate-drive isolation
- low-power EMI chokes
When to choose this size
Choose CCNT-048-040-008-STBK when you need this 48×40×8 mm toroidal core. Use the bare dimensions for the magnetic path and the finished dimensions, when published, for winding clearance.
Winding notes
Magnetic calculations should use the bare 48×40×8 mm geometry. AL, Ae, and Le were not measured for this core. Saturation is 1.25 T.
Related application guides
Frequently asked questions
Are the stated dimensions bare or finished?
The size in the product name is the bare core. Finished dimensions are listed separately when they were measured.
Where is a core this size used?
This 48×40×8 mm cased toroid is a compact core for small current transformers, gate-drive isolation, and low-power EMI chokes. The 37 mm finished window fits a modest cable or a fine-wire winding in a short stack.
What finish is on this core?
This core is finished with Black PBT Class B 130C.
Need this core for your application?
Get pricing, availability, and winding support for CCNT-048-040-008-STBK.