Russia, Novgorodskaya oblast'
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foreign trade department

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.

 

 

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.

MSSA-N

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.

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
Bm = 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
Bm = 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 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.

You are welcome to cooperate!  

Specifications (extracts):

Promotional materials:

In the "Publications" section you can find important information on the practical application of amor magnetic cores

Service consultation

The company's managers will be happy to answer your questions and calculate the cost of services and prepare an individual commercial offer.

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