Datasheet TT Electronics BC178A

BC177
BC178
BC179
MECHANICAL DATA
Dimensions in mm (inches) GENERAL PURPOSE
SMALL SIGNAL
PNP BIPOLAR TRANSISTOR 5 .8 4 (0 .2 3 0 )
5 .3 1 (0 .2 0 9 )
4 .9 5 (0 .1 9 5 )
4 .5 2 (0 .1 7 8 ) 5 .3 3 (0 .2 1 0 )
4 .3 2 (0 .1 7 0 ) APPLICATIONS
) ) 0 0 1 7 1 . 0 0 ( ( 3 2 3 3 . . 5 4 1 2 .7 (0 .5 0 0 )
m in . 2 . ) 0 0 5 . . 0 .4 8 (0 .0 1 9 )
0 .4 1 (0 .0 1 6 )
d ia . n i 0 ( m 7 . 2 1 2 .5 4 (0 .1 0 0 )
N o m . The BC 177, BC 178 & BC 179 are silicon
epitaxial planar PNP transistors in TO-18
metal case. They are suitablefor use in
driver audio stages, low noise input audio
stages and as low power, high gain general
purpose transistors. FEATURES
• SILICON NPN
! • HERMETICALLY SEALED TO18 • SCREENING OPTIONS AVAILABLE TO–18 METAL PACKAGE …