Amorphous C Cores 2019-05-28T10:46:09+00:00

Amorphous C Cores

"Amorphous C core"
Efficient
Stable
Cost

Amorphous C cores have high saturation flux density, low core loss, high permeability. They are suitable
for PFC choke, output filter inductor, solar inverter inductor, large current reactor, audio transformer and
can be used under high frequency.

Characteristics  

  • High saturation induction of 1.56 Tesla—Reducing component volume.

  • Low coercivity—Increasing component efficiency.

  • Low core loss—Reducing temperature rise in devices.

  • Variable permeability by different heat treatments—Satisfying various application requirements.

  • Excellent thermal stability—Having a highest service temperature of 130oC.

Physical Properties 

Saturation Magnetization(Bs)1.56TSaturation Magnetostrictive Coefficient(λs)<27×10-6
Curie Temperature(Tc)410℃Density(d)7.18g/cm3
Crystallization Temperature(Tx)535℃Resistivity(ρ)130μΩ-cm
Hardness(Hv)960Continuous Operating Temperature Range-55~130℃

Magnetic Properties

Transverse Field AnnealedNo Field AnnealedLongitudinal Field Annealed
Maximum Permeability μm>2×104>20×10425×104
Saturation Induction BS1.5 T1.5 T1.5 T
Remanence Br<0.5 T1.0 T1.2 T
Coercivity HC<4A/m<2.4 A/m<4A/m
Core loss (50 Hz, 1.4 T)<0.2 W/kg<0.13 W/kg<0.3 W/kg
Core loss (400 Hz, 1.2 T)<1.8 W/kg<1.25 W/kg<2 W/kg
Core loss (8 kHz, 1.0 T)<80 W/kg<60 W/kg<100 W/kg
Variation In Loss Between -55oC and 125 o<15%<15%<15%
Variation In Loss At 120 oC for 200 Hours<15%<15%<15%
"Amorphous Inductor"

Applications

  • Solar inverters, wind power inverters

  • Output filter or inductor cores in high frequency large power supplies

  • Transformer cores in switch mode power supplies

Performance Curves

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Specification

Core Dimension

A-Core Build;B-Window Width; C-Window Height;D-Strip Width;  E-Core Width;

F-Core Length;Ae-Section Area;Lm-Length of Magnetic Path; Mass-Weight

Cores with other specifications can be provided concerning to customer’s demand.

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