Features·

Capable of being mounted easily because of onepointfixing type plastic molded package (Interchangeablewith TO-3).· Wide ASO because of on-chip ballast resistance.· Good depenedence of fT on current and excellenthigh frequency responce.The descriptions in parentheses are for the 2SB817 only :other descriptions than those in parentheses are commonto the 2SB817 and 2SD1047.