BC177 bc178 bc179 semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk general purpose small signal pnp bipolar transistor features ? silicon npn hermetically sealed to18 screening options available v cbo collector ? base continuous voltage v ceo collector ? emitter continuous voltage with zero base current v ces collector ? emitter continuous voltage with base shortcircuited to emitter v ebo emitter ? base continuous voltage reverse voltage i c continuous collector current p d power device dissipation @ t a = 25c derate above 25c p d power device dissipation @ t c = 25c, derate above 25c t j, t stg operating and storage junction to case -5v -0.1a 0.3w 500w/c 0.75w 200w/c -65 to +175c mechanical data dimensions in mm (inches) to?18 metal package absolute maximum ratings (t a = 25c unless otherwise stated) pin 1 ? emitter underside view pin 2 ? base pin 3 ? collector
BC177 bc178 bc179 -50v -45v -50v -30v -25v -30v -25v -20v -25v semelab plc reserves the right to change test conditions, parameter limits and package dimensions without notice. information f urnished 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 omi ssions discovered in its use. semelab encourages customers to verify that datasheets are current before placing orders. document number 5760 issue 1 applications 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.
parameter test conditions min. typ. max. unit BC177 bc178 bc179 semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk v ce = -20v v be = 0 t amb = 150c i c = -10 a BC177 bc178 bc179 i c = -2ma BC177 i e = 0 bc178 bc179 i e = -10 ai c = 0 v ce = -5v BC177a i c = -2ma BC177b f = 1khz bc178a bc178b bc179a bc179b i b = -0.5ma i c = -10ma i b = -5ma i c = -100ma i b = -0.5ma i c = -10ma i b = -5ma i c = -100ma v ce = -5v i c = -2ma -5v v ce = -5v i c = -10ma f = 100mhz v ce = -5v BC177 f = 1khz bc178 i c = -0.2ma bc179 i c = -0.2ma v cb = -10v electrical characteristics (t a = 25c unless otherwise stated) i ces collector-emitter leakage current v (br)cbo collector base breakdown voltage v (br)ceo collector emitter breakdown voltage v (br)ebo emitter breakdown voltage h fe dc current gain v ce(sat) collector ? emitter saturation voltage v be(sat) base ? emitter saturation voltage v be(on) base ? emitter on voltage f t transition frequency nf noise figure c cbo collector base capacitance -100 -10 -50 -30 -25 -45 -25 -20 -5 125 260 240 500 125 260 240 500 125 260 240 500 -0.075 -0.25 -0.2 -0.72 -0.8 -0.86 -0.55 -0.64 -0.75 200 210 210 1.2 4 5.0 na a v v v ? v v v mhz db pf document number 5760 issue 1 semelab plc reserves the right to change test conditions, parameter limits and package dimensions without notice. information f urnished 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 omi ssions discovered in its use. semelab encourages customers to verify that datasheets are current before placing orders.
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