Medium-frequency transformer cores in heating equipment
Toroidal gapless cores as SMPS output inductors and differential input inductors
Toroidal gapless cores as noise prevention chokes in car’s audio and navigation system
Toroidal gap cores for PFC used in air conditioner and plasma TV
High-frequency rectangular cut cores as output inductors and transformers in SMPS, UPS etc.
Toroidal gapless cores as pulse transformer for driving IGBTs, MOSFETs and GTOs
Amorphous stators and rotors in high power density speed-variable electric motors and generators
Benefits:
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 induction BS
|
1.56 T
|
Hardness Hv
|
960 kg/mm2
|
|
Curie Temperature TC
|
410 oC
|
Density
|
7.18 g/cm3
|
|
Crystallization Temperature TX
|
535 oC
|
Resistivity
|
130 μW-cm
|
|
Saturation Magnetostriction lS
|
27×10-6
|
|
|
Magnetic properties£º
|
|
Transverse field annealed
|
No field annealed
|
Longitudinal field annealed
|
|
Maximum permeability μm
|
>2×104
|
>20×104
|
>25×104
|
|
Saturation induction BS
|
1.5 T
|
1.5 T
|
1.5 T
|
|
Remanence Br
|
<0.5 T
|
1.0 T
|
1.2 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 -55 oC and 125 oC
|
<15%
|
<15%
|
<15%
|
|
Variation in loss
at 120 oC for 200 hours
|
<15%
|
<15%
|
<15%
|
