Datasheet BC177, BC178, BC179 (Semelab)

BC177 BC178 BC179 MECHANICAL DATA
Dimensions in mm (inches)
GENERAL PURPOSE
5 . 8 4 ( 0 . 2 3 0 )
SMALL SIGNAL
5 . 3 1 ( 0 . 2 0 9 ) 4 . 9 5 ( 0 . 1 9 5 )
PNP BIPOLAR TRANSISTOR
4 . 5 2 ( 0 . 1 7 8 )
APPLICATIONS
) 0 0 1 7 2 1
The BC 177, BC 178 & BC 179 are silicon
. 0 0 (0.210) (0.170) ( 3 2 33 32
epitaxial planar PNP transistors in TO-18
3 3 . 5. 4. 5 4
metal case. They are suitablefor use in
) 0
driver audio stages, low noise input audio
0 5 . n. 0 . 4 8 ( 0 . 0 1 9 ) n i 0 (0.500)
stages and as low power, high gain general
( mi m 7 0 . 4 1 ( 0 . 0 1 6 ) 7 . 2 d i a . 12.
purpose transistors.
1 2 . 5 4 ( 0 . 1 0 0 )
FEATURES
N o m .
• SILICON NPN • HERMETICALLY SEALED TO18 ! • SCREENING OPTIONS AVAILABLE TO–18 METAL PACKAGE Underside View
PIN 1 – Emitter PIN 2 – Base PIN 3 – Collector
ABSOLUTE MAXIMUM RATINGS
(T
BC177 BC178 BC179
A = 25°C unless otherwise stated) VCBO Collector – Base Continuous Voltage -50V -30V -25V VCEO Collector – Emitter Continuous Voltage With Zero Base Current -45V -25V -20V VCES Collector – Emitter Continuous Voltage With Base Shortcircuited to Emitter -50V -30V -25V VEBO Emitter – Base Continuous Voltage Reverse Voltage -5V IC Continuous Collector Current -0.1A PD Power Device Dissipation @ TA = 25°C 0.3W Derate above 25°C 500W/°C PD Power Device Dissipation @ TC = 25°C, 0.75W Derate above 25°C 200W/°C Tj, Tstg Operating and Storage Junction to Case -65 to +175°C
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