Datasheet Summary
BF257 BF258-BF259
HIGH VOLTAGE VIDEO AMPLIFIERS
DESCRIPTION The BF257, BF258 and BF259 are silicon planar epitaxial NPN transistors in Jedec TO-39 metal case. They are particularly designed for videooutput stages in CTV and MTV sets, class A audio output stages and drivers for horizontal deflection circuits.
TO-39
INTERNAL SCHEMATIC...