Contextual Info: FI 3QE ì> m 7121237 QQ31D37 1 • '"P3S-I3' SGS-THOMSON BSX19 BSX20 S 6 S-TH0MS0N HIGH-SPEED SATURATED SWITCHES D E S C R IP T IO N The BSX19 and BSX20 are silicon planar epitaxial NPN transistors in Jedec TO-18 metal case. They are primarily intended for very high speed saturated