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Toroidal power transformers of power ranging from 1VA to 5kVA. Measuring current transformers TOP-N-0.66 and TSP-N-0.66. High-voltage ignition transformers and transformers for neon signs. Inductance coils (including coils for induction flow meters). Toroidal magnetic cores  from electric anisotropic steel.	Power supply transformers for low voltage halogen lamps from 20 VA to 600 VA. Matching and output transformers. Transformers and inductors for impulse and HF-devices. Audio transformers. Inductors.
Toroidal power transformers of power ranging from 1VA to 5kVA. Measuring current transformers TOP-N-0.66 and TSP-N-0.66. High-voltage ignition transformers and transformers for neon signs. Inductance coils (including coils for induction flow meters). Toroidal magnetic cores  from electric anisotropic steel.	Power supply transformers for low voltage halogen lamps from 20 VA to 600 VA. Matching and output transformers. Transformers and inductors for impulse and HF-devices. Audio transformers. Inductors.

OUR PRODUCTS

Toroidal transformers Toroidal transformers


TRANSFORMERS PRODUCTION



Frameless Inductance coils.
Frameless Inductance coils.


Production of our enterprise


Toroidal magnetic cores

LLC "Yudzhen" manufactures Toroidal magnetic cores from electric anisotropic steel of 0.3 mm width.

Toroidal core has an ideal shape for producing a transformer with minimal material consumption. Toroidal magnetic cores are manufactured from electric anisotropic steel TO-ET 3406/3407/3408/3409 of 0.3 mm width. Steel quality ensures low magnetostriction and low stray losses, which practically completely eliminates hum and noise associated with operation of conventional transformers.

Toroidal magnetic cores.
Toroidal magnetic cores.


The following accessories are available at the enterprise:

Strip width, mmMandrel diameters, mm
12.514, 21, 23, 36
1625, 28, 30, 36, 40, 50, 60
2025, 30, 32, 36, 40, 50
2521, 23, 25, 30, 36, 40, 44, 50, 70, 80, 100
3040, 44, 50, 60
3542, 70
4040, 44, 50, 60, 70, 90
5070, 80, 100, 115
Maximal outside winding diameter D - 230 mm
Toroidal magnetic cores.
Main dimensions of Toroidal magnetic cores.

advantages of transformers based on toroidal magnetic cores

Magnetic cores OL with rounded edges, annealed, strip 0.3 TO-ET-3407 (3406, 3408 or 3409) GOST 21427.1-83.

Winding of magnetic cores with customized dimensions d and D (not given in the table), after designing and manufacturing of the accessories for their manufacturing is available.

There are accessories for winding rectangular magnetic cores that are applied in measuring current transformers.



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