BC178

BC177 BC178 BC179 MECHANICAL DATA Dimensions in mm (inches) 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 ) GENERAL PURPOSE SMALL SIGNAL PNP BIPOLAR TRANSISTOR APPLICATIONS 5 .3 3 (0 .2 1 0 ) 4 .3 2 (0 .1 7 0 ) ) ) 0 0 1 7 2 1 . . 0 0 ( ( 3 2 3 3 . . 5 4 ) 0 0 5 . . 0 .4 8 (0 .0 1 9 ) 0 .4 1 (0 .0 1 6 ) d ia . n 0 i ( m 7 . 2 1 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. 2 .5 4 (0 .1 0 0 ) Nom . 1 2 .7 (0 .5 0 0 ) m in . FEATURES • SILICON NPN !  • HERMETICALLY SEALED TO18 • SCREENING OPTIONS AVAILABLE TO–18 METAL PACKAGE Underside View PIN 1 – Emitter PIN 2 – Base PIN 3 – Collector BC177 -50V -45V -50V BC178 -30V -25V -30V -5V -0.1A 0.3W 500W/°C 0.75W 200W/°C -65 to +175°C BC179 -25V -20V -25V ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated) VCBO VCEO VCES VEBO IC PD PD Tj, Tstg Collector – Base Continuous Voltage Collector – Emitter Continuous Voltage With Zero Base Current Collector – Emitter Continuous Voltage With Base Shortcircuited to Emitter Emitter – Base Continuous Voltage Reverse Voltage Continuous Collector Current Power Device Dissipation @ TA = 25°C Derate above 25°C Power Device Dissipation @ TC = 25°C, Derate above 25°C Operating and Storage Junction to Case Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 5760 Issue 1 BC177 BC178 BC179 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated) Parameter ICES Collector-Emitter Leakage Current Test Conditions VCE = -20V IC = -10µA VBE = 0 Tamb = 150°C BC177 BC178 BC179 IC = -2mA BC177 BC178 BC179 IC = 0 BC177A BC177B BC178A BC178B BC179A BC179B IB = -0.5mA IB = -5mA IB = -0.5mA IB = -5mA VCE = -5V VCE = -5V f = 100MHz VCE = -5V BC177 BC178 BC179 VCB = -10V f = 1kHz IC = -0.2mA IC = -0.2mA IC = -10mA IC = -100mA IC = -10mA IC = -100mA IC = -2mA -5V IC = -10mA Min. Typ. Max. Unit -100 -10 nA µA V -50 -30 -25 -45 -25 -20 -5 125 240 125 240 125 240 -0.075 -0.2 -0.72 -0.86 -0.55 -0.64 200 2 2 1.2 5.0 10 10 4 -0.75 -0.8 260 500 260 500 260 500 -0.25 V(BR)CBO Collector Base Breakdown Voltage V(BR)CEO V(BR)EBO Collector Emitter Breakdown Voltage Emitter Breakdown Voltage IE = 0 IE = -10µA VCE = -5V IC = -2mA f = 1kHz V V hFE DC Current Gain — VCE(sat) VBE(sat) VBE(on) fT Collector – Emitter Saturation Voltage Base – Emitter Saturation Voltage Base – Emitter on Voltage Transition Frequency V V V MHz NF Ccbo Noise Figure Collector Base Capacitance dB pF Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Document Number 5760 Issue 1