Amorphous Core

Applications

      High power step up transformer

      High power output filters chokes

      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

Advantages

      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 130℃

Material

      Iron-based Amorphous Alloy Ribbons

      Composition: 76-80 at% Fe, 20-24 at% Si+B

      Ribbon Thickness: 30 ± 5 μm

      Ribbon Width: 5 to 213 mm

Capacity

Limit dimensions:

      Min. width: 5 mm;

      Max. strip width: 213 mm;

      Min. inside window size: 10*6 mm;

      Min. weight: 5 Grams/ core

      Max. weight: 500 Kgs/ core

Main processes:

      Slitting -> Winding -> Annealing -> Varnish->Testing

Optional finishes:

      - Varnish;

      - Epoxy coating;

      - Black paint;

Capacity of winding:

      200,000 pcs/month

Standards

      The cores can be produced according to IEC60635, we have full range standard C-cores equivalent to Hitachi         AMCC cut cores, we are open to highly customized sizes and shapes

Download: Amorphous Core Standard Sizes List

Quality control

      -  On magnetic and mechanical quality control of Amorphous ribbons;

      -  On physical dimension control of wound cores;

      -  On annealing process;

      -  On Varnish process;

      -  On dimensions and magnetic values of finished cores;

      -  On packaging.