C5-4.5-4.5 Laminated, Soft ferromagnetic Automotive C-Shape Core
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Product Description
The C-Core is a laminated soft ferromagnetic core featuring superior material characteristics such as high linearity and very low hysteresis. It is available with two different materials: Ni- Fe and Si-Fe.
The core is designed for high-speed contact-less current sensing in combination with a magnetic field sensor, i.e., Hall sensor, and a current conductor. Furthermore, the core protects the sensor from parasitic magnetic fields caused by nearby conductors or other magnetic field sources.
Magnetic Characteristics
| Parameter | Material | Typical Value | Unit |
|---|---|---|---|
| Relative Permeability | Ni-Fe | 100'000 | a.u. |
| Si-Fe | 40'000 | ||
| Initial Relative Permeability | Ni-Fe | 7000 | a.u. |
| Si-Fe | 2500 | ||
| Saturation Flux Density | Ni-Fe | 1 | T |
| Si-Fe | 1.5 | ||
| Hysteresis | Ni-Fe | 2.8 | A/m |
| Si-Fe | n/a | ||
| Curie Temperature | Ni-Fe | 450 | °C |
| Si-Fe | 700 |
Material Specification
| Material Specification | Lamination | Ni or Si content |
|---|---|---|
| Lamination and Nickel content | 0.35mm | 48% (Ni) |
| Lamination and Silicon content | 0.35mm | <3.5% (Si) |
Geometry C5-4.5-4.5 (*)
Ca-b-c
a = air gap
b = thickness
c = length
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