pnp silicon planar epitaxial transistors BC177, a, b, c bc178, a, b, c bc179, a, b, c to-18 absolute maximum ratings description symbol BC177 bc178 bc179 unit collector -emitter voltage vceo 45 25 20 v collector -emitter voltage vces 50 30 25 v collector -base voltage vcbo 50 30 25 v emitter -base voltage vebo 5.0 5.0 5.0 v collector current continuous ic 0.2 a power dissipation@ ta=25 degc pd 0.6 w derate above 25 deg c 2.28 mw/deg c power dissipation@ tc=25 degc pd 1.0 w derate above 25 deg c 6.67 mw/deg c operating and storage junction tj, tstg -65 to +200 deg c temperature range thermal resistance junction to case rth(j-c) 175 deg c/w electrical characteristics (ta=25 deg c unless otherwise specified) description symbol test condition min typ max unit collector-cut off current ices vce=20v, ie=0 - 100 na tamb=125 deg c vce=20v, ie=0 - 4.0 ua collector -base voltage vcbo ic=10ua, ie=0 BC177 50 - v bc178 30 - v bc179 25 - v collector -emitter voltage vceo ic=2ma,ib=0 BC177 45 - v bc178 25 - v bc179 20 v emitter-base voltage vebo ie=10ua, ic=0 5.0 - v dc current hfe ic=2ma, vce=5v BC177 120 460 bc178 120 800 bc179 180 800 a group 120 220 b group 180 460 c group 380 800 collector emitter saturation voltage vce(sat) ic=10ma,ib=0.5ma - 0.20 v ic=100ma,ib=5ma - 0.60 v base emitter saturation voltage vbe(sat) ic=10ma,ib=0.5ma - 0.80 v ic=100ma,ib=5ma - 0.90 - v base emitter on voltage vbe(on) ic=2ma, vce=5v 0.60 0.75 v continental device india limited data sheet page 1 of 3 continental device india limited an iso/ts 16949, iso 9001 and iso 14001 certified company
electrical characteristics (ta=25 deg c unless otherwise specified) BC177xx description symbol test condition min max unit collector knee voltage vce (k) ic=10ma, ib=the value for - 0.60 v which ic=11ma, @ vce=1v transition frequency ft vce=5v,ic=10ma, f=50mhz 200 - mhz noise figure nf vce=5v, ic=0.2ma rg=2kohms, f=30hz to 15 khz bc179 -4.0db f=1khz, f=200hz bc179 -4.0db BC177/178 -10db output capacitance cobo vcb=10v, f=1mhz - 4.0 pf all f=1khz small signal current gain hfe ic=2ma,vce=5v BC177 125 500 bc178 125 900 bc179 240 900 a group 125 260 b group 240 500 c group 450 900 input impedance hie ic=2ma,vce=5v a group 1.6 4.5 kohms b group 3.2 8.5 kohms c group 6.0 15 kohms output admittance hoe ic=2ma,vce=5v a group - 30 umhos b group - 60 umhos c group - 110 umhos continental device india limited data sheet page 2 of 3
disclaimer to-18 metal can package to-18 1k/polybag 350 gm/1k pcs 3" x 7.5" x 7.5" 5.0k 17" x 15" x 13.5" 80.0k 34 kgs package net weight/qty details standard pack inner carton box qty outer carton box qty gr wt size size packing detail g 1 2 3 h j l f a d b e c k dim min max all diminsions in mm. a 5.24 5.84 b 4.52 4.97 c 4.31 5.33 d 0.40 0.53 e?0.76 f?1.27 g?2.97 h 0.91 1.17 j 0.71 1.21 k12.70 ? l45 deg pin configuration 1. emitter 2. base 3. collector 1 2 3 the product information and the selection guides facilitate selection of the cdil's discrete semiconductor device(s) best suited for application in your product(s) as per your requirement. it is recommended that you completely review our data sheet(s) so as to confirm that the device(s) meet functionality parameters for your application. the information furnished on the cdil web site/cd is believed to be accurate and reliable. cdil however, does not assume res ponsibility for inaccuracies or incomplete information. furthermore, cdil does not assume liability w hatsoever, arising out of the application or use of any cdil product; neither does it convey any license under its patent ri ghts nor rights of others. these pr oducts are not designed for use in life saving/support appliances or systems. cdil customers selling these pr oducts (either as individual discrete semiconductor devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and cdil will not be responsible for any damages resulting from such sale(s). cdil strives for continuous improvement and reserves the right to change the specifications of its products without prior notic e. cdil is a registered trademark of continental device india limited c-120 naraina industrial area, new delhi 110 028, india. telephone + 91-11-579 6150 fax + 91-11-579 9569, 579 5290 e-mail sales@cdil.com www.cdil.com continental device india limited data sheet page 3 of 3
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