Power Soft Ferrite Cores

1) Widely used in computers, telecommunication equipment,
  such home appliances as TV, VTR and audio sets, industrial
  automation equipment and various kinds of electronic instruments
2) EE core applications: transformers and chokes for switching power
  supplies, filters, and inductors
3) UF core applications: mainly used for line filters in color TV sets
4) Toroidal core applications: pulse and wide-band transformers,
  various types of filters, inductors and chokes
5) U core applications: mainly used for flyback transformers in B/W and
  color TV sets
6) EI core applications: various kinds of transformers and chokes
7) EP core applications: wide-band transformers and various types of
  inductors
8) POT core applications: filters for telecommunication equipment,
  and various kinds of inductors and transformers
9) EC core applications: mainly used for switching power transformers
  and chokes
10) Line filter core applications: filters for color TV sets
11) Balun core applications: matching transformers and balun
   transformers
12) PM core applications: high power transformers and DC-DC converters
13) DY core applications: deflecting coils for picture tubes of color TV
   sets and CRT displays
14) PQ core applications: switching power transformers and chokes
15) RM core applications: filters, inductors and transformers for
   telecommunication and other electronic equipment
Types:
1) Power Mn-Zn ferrite core for switch power transformers
2) Power Mn-Zn ferrite core for FBT transformers of monitors and CRTs
3) High permeability ferrite core for pulsing transformers, broad band
  transformers, filters, and inducing meters
4) Ferrite core for EMI components
5) Ni-Zn ferrite core series
6) More than 500 series and 10 different kinds of materials available
7) Complying with the international standards
8) Applications: switching power transformers (SMPS), FBTs of color TV
  and monitors, SPSs of computers, ISDNs, networks, camera flashes,
  background illumination, wide band transformers, pulse transformers,
  wave filters, inductors, green lighting, auto controls, office automation,
  household appliances, electronic machinery