Toroidal magnetic cores

Amorphous and nanocrystalline cores

PC "MSTATOR" manufactures a wide range of twisted toroidal cores with an outer diameter of 3 to 200 mm, a height of 0.7 to 30 mm from amorphous and nanocrystalline AMAG ribbons, as well as electromagnetic components based on them.

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"Magnetic cores"

Classification of magnetic cores by features and purpose

Class Name	Series	Core / container material	Characteristic features	Application
Nanocrystalline cores with high permeability	MSFN	AMAG 200C Iron based nanocrystalline / plastic container	Annealing in a transverse field, permeability up to 80,000, high induction 1.2 T, low losses, high operating temperature and good temperature stability, the price is lower than amorphous. Wide range of overall dimensions up to 100 mm in diameter.	• Common mode filter chokes, • Current transformers, incl. for accurate electronic electricity meters, • Residual current devices (RCDs), • Power HF transformers in switching power supplies, • Audio transformers, etc.
Amorphous cores with high permeability	MSF	AMAG 170 Cobalt based amorphous / plastic and aluminum container	Annealing in a transverse field, permeability over 100,000, very low loss, flat hysteresis loop.
Nanocrystalline cores for high-frequency transformers	MSTN	AMAG 200C Iron based nanocrystalline / plastic container	The size range, material and manufacturing technology repeat the MSFN series. Losses are normalized. Typical initial magnetic permeability is about 20,000.	• Power HF transformers for single-ended (forward-converter) and push-pull switching power supplies, • DC-DC converters, • Audio transformers.
Amorphous cores for high-frequency transformers	MST	AMAG 186 Amorphous alloy	Annealing in a transverse field. The size range follows the MSFN series. Losses are normalized. Flat linear hysteresis loop. Squareness factor less than 0.1. Typical magnetic permeability is about 2 100.	• Precision current transformers, • HF power transformers for single-ended (forward-converter) and push-pull switching power supplies, • DC-DC converters.
Amorphous cores with rectangular hysteresis loop	MSSA-L	AMAG 172 Cobalt based amorphous / plastic container	Longitudinal field annealing, rectangular hysteresis loop, squareness factor up to 0.98, low loss, low coercive force.	• Chokes of magnetic amplifiers in multichannel switching power supplies (provide effective separate stabilization and protection of the outputs of all channels), • Autogenerators with saturation mode, etc.
Amorphous cores with rectangular hysteresis loop	MSSA-N	AMAG 172 Cobalt based amorphous / plastic container	Field annealed, rectangular hysteresis loop, squareness factor up to 0.94, loss and coercive force below MSSA-L series.
Nanocrystalline cores with rectangular hysteresis loop	MSSN	AMAG 200 Iron based nanocrystalline / plastic container	Annealing in a longitudinal field, squareness coefficient up to 0.98, high induction 1.2 T, the price is lower than the MSSA series.
Nanocrystalline cores with low permeability	MSCN	AMAG 178N Nanocrystalline	Induction 1.05 T. Typical permeability 210. Work with offset up to 35 Oe. Minimal losses.	• Chokes for power factor correctors, • Flyback transformers, power inductors, • Output chokes, • Filters with high quality factor, • Resonant circuits.
Cores with non-magnetic gap	MSC-NGA	2НСР, AMAG 202 Iron based amorphous / plastic container	High induction 1.4 T. Non-magnetic gap. Long flat steam generator. Work with displacement up to 60 Oe.	• DC bias output chokes, • Chokes of differential filters, • Chokes of KM correctors, • Flyback transformers, etc.
Cores with non-magnetic gap	MSC-NGN	AMAG 200C Iron based nanocrystalline / plastic container	Induction 1.16 T. Non-magnetic gap. Low losses. High operating temperature (+155 ° C). Offset up to 40 Oe.
Cores with distributed gap	MSC	2НСР, AMAG 202 Iron based amorphous / aluminum or plastic container	High induction 1.4 T, Distributed gap, Long flat steam generator, Work with displacement up to 35 Oe, Low profile.
Powder cores based on amorphous ribbon Manufacturer: AMOGREENTECH	APH	Powdered amorphous iron-based alloy B_m = 1.56 T	High induction 1.5 T. Low losses. Very high DC bias, up to 150 Oe and more. Permeability from the range 26, 60, 75, 90.
Powder cores based on nanocrystalline ribbon Manufacturer: AMOGREENTECH	APM	Powdered nanocrystalline iron-based alloy B_m = 1.2 T	High induction 1.2 T. Lowest losses. High level of DC bias, up to 100 Oe and more. Permeability from the range 26, 60, 90, 125.
Interference suppression cores for single-turn chokes	MSB	AMAG 172 Cobalt based amorphous / plastic container	Rectangular SG, Fieldless annealing, Squareness factor up to 0.85, High permeability, Cylindrical shape, Miniature, Can be worn directly on component leads.	Suppression of short bursts and high-frequency oscillations at the fronts by changing the nature of the switching of active components, eliminate the cause (source) of interference. • Switching power supplies, • Electric motor control circuits, • Switching semiconductor devices, • To protect semiconductor devices, etc.
Interference suppression cores for multi-turn chokes	MSK	AMAG 172 Cobalt based amorphous / plastic container	Larger than the MSB series, they are used for multi-turn interference suppression chokes.
Audio cores (Hi-Fi)	MSTAN	AMAG 200C, AMAG 204N Iron-based nanocrystalline alloy	Linear hysteresis loop, annealing in the maximum transverse field, induction 1.2 T. Permeability: • AMAG 200C - more than 50,000; • AMAG 204N - from 10,000 to 15,000. Coeff. squareness: • AMAG 200C - less than 0.3; • AMAG 204N - less than 0.1	Various audio transformers: • Small-signal input, • Phase inverters, • Proofreaders, • Interstage, • Weekends, etc.

In addition to above mentioned cores company MSTATOR produces profile MSP-series of amorphous magnetic cores for telecommunication networks, presented in Products for ISDN, DSL networks section, and KL-series of miniature magnetic cores (information available on request) for special pulse transformers in a container made of aluminum foil.

MSTATOR produces a wide range of soft magnetic amorphous and nanocrystalline ribbons, has all the equipment necessary and will willingly consider applications for development and production of parties of magnetic cores or complete electromagnetic components (transformers and chokes) according to customer specifications.

Specific items (for example, anoval magnetic cores for static meters, etc.) are not represented on tise site, but our experts are always ready to help the customer to solve specific technical problems.

Toroidal magnetic cores

Amorphous and nanocrystalline cores

Classification of magnetic cores by features and purpose

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