Co.B Cobalt - Based Amorphous Alloy Ribbons For High Frequency Transformers, Shielding
Amorphous alloy strip(Cobalt-based)
Chemical compasition(percental): Co.B
Applications:
Switch-mode power supply applications(magnetic amplifiers;semiconductor noise suppression cores)
High frequency transformers
High sensitivity matching transformers
Ultra-sensitive current transformers
Shielding
Sensor applications
Benefits:
Extremely low core loss
Ultrahigh permeability
High squareness ratio-low coercive force
Near-zero magnetostriction
Excellent corrosion resistance
Can be annealed for linear BH loop
General Properties & Characteristics:
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ELECTROMAGNETIC |
|
Saturation Induction (T) |
0.57 |
|
Maximum DC Permeability (u): |
|
Annealed (High Freq.) |
1,000,000 |
|
As Cast |
>80,000 |
|
Saturation Magnetostriction (ppm) |
<0.5 |
|
Electrical Resistivity ( .cm) |
|
142 |
|
Curie Temperature (°C) |
225 |
|
PHYSICAL |
|
Thickness (mils) |
0.6 |
|
Standard Available Widths |
|
|
Minimum (inches) |
0.1 |
|
Maximum (inches) |
2 |
|
Density (g/cm3) |
7.59 |
|
Vicker's Hardness (50g Load) |
960 |
|
Tensile Strength (GPa) |
1-2 |
|
Elastic Modulus (GPa) |
100-110 |
|
Lamination Factor (%) |
>75 |
|
Thermal Expansion (ppm/°C) |
12.7 |
|
Crystallization Temperature (°C) |
550 |
|
Continuous Service Temp. (°C) |
90 |
Amorphous alloy strip(Nickel-based)
Chemical compasition(percental): Fe.Ni.Mo.B
Applications:
Field sensors
Shielding applications
High frequency cores
Benefits:
Medium saturation induction
Lower magnetostriction
Higher corrosion resistance
Can be annealed for very high DC permeability,rouned or square B-H loops
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Physical Properties |
Magnetic Properties |
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