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Specifications
hot sell amorphous toroid coresre material: Ni-Zn
2.Core specification is complete
petitive price
hot sell amorphous toroid cores
Transformer core / Toroidal core: (A series)
A round core wound by automatic machines with one continuous tape of CRGO silicon steel and annealed in a tunnel furnace under the protection of inert gases.
Material thickness: 0.30mm, 0.27mm, 0.23mm, 0.10mm, 0.08mm and 0.05mm
Transformer core / Toroidal core: (B series)
B round core wound by short silicon steel strips in 1 to 3 meters long, wounded with joints. They were annealed in vacuum furnace or tunnel furnace under protection of inert gases. The core posses the same advantages of A series, but the price was around 50-70% less than A series.
B series core commonly used as a replacement of EI and other toroidal transformers with lower magnetic loss requirement.
Material thickness: 0.30mm, 0.27mm, 0.23mm
Material Grade |
Equivalent Grade |
Bm (Gauss) |
BI |
M3-0.23mm |
16500/17000 |
BII |
M4-0.27mm/0.30mm |
16000 |
BIII |
M5-0.30mm |
15500 |
Can produce according to customers’ specification.
Toroidal core application:
Power transformer
Inductor
Instrument transformer
Audio transformer
Voltage regulators
Ballast
The advantage of toroidal core (Compare with EI core)
- Smaller size
- Lighter weight
- Less magnetic leakage
- Better over-load capacity
- Low temperature rise
- Easier design and mount
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