Отправлено AK 23 мая 2002 г. 09:38 В ответ на: Надоело резать ферритовые кольца отправлено ЖАК 23 мая 2002 г. 00:33

"High permeability iron powder cores are available in several grades. Our manufacturing processes enable us to attain relatively high permeabilities ranging from 45 to 90. These cores can be used in various applications covering RFI suppression of light dimmers, motor
speed controllers employing thyristors or triacs and energy storage choke applications for switched mode power supplies."

• http://www.mmg-neosid.com/pdfs/mmg-RingCores.pdf