npn plastic medium power silicon transistors BD157, bd158 to-126 desi g ned for power out p ut sta g es for television , radio , phono g ra p h and other consumer a pp lications. absolute maximum ratings description symbol BD157 bd158 unit collector -emitter voltage vceo 250 300 v collector -base voltage vcbo 275 325 v emitter base voltage vebo 5.0 v collector current continuous ic 0.5 a peak ic 1.0 a base current ib 0.25 a power dissipation @ ta=25 deg c pd 2.0 w @ tc=25 deg c 20 w derate above =25 deg c 0.16 mw/deg c operating & storage junction tj, tstg -65 to +150 deg c temperature range thermal resistance junction to case rth (j-c) 6.25 deg c/w electrical characteristics (tc=25 deg c unless specified) description symbol test condition min max unit collector-emitter sustaining voltage vceo ic=1ma, ib=0 BD157 250 - v bd158 300 - v collector-base voltage vcbo ic=100ua, ie=0 BD157 275 - v bd158 325 - v emitter base voltage vebo ie=1ma, ic=0 5.0 - v collector cut-off current icbo vcb=275v, ie=0 BD157 - 100 ua vcb=325v, ie=0 bd158 - 100 ua emitter cut-off current iebo vbe=5v,ic=0 - 100 ua dc current gain hfe ic=50ma,vce=10v 30 240 collector emitter saturation voltage vcesat ic=50ma, ib=5ma - 1.0 v base emitter saturation voltage vbesat ic=50ma, ib=5ma - 1.0 v current-gain-bandwidth product ft ic=10ma, vce=10v 15 - mhz f=5 mhz output capacitance cob vcb=20v, f=1mhz typ10 pf continental device india limited data sheet page 1 of 2 continental device india limited an iso/ts 16949, iso 9001 and iso 14001 certified company
to-126 (sot-32) plastic package disclaimer 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 rights 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 to-126 500 pcs/polybag 340 gm/500 pcs 3" x 7.5" x 7.5" 2.0k 17" x 15" x 13.5" 32.0k 31 kgs package net weight/qty details standard pack inner carton box qty outer carton box qty gr wt size size packing detail c a n p s 1 2 3 d m f e g l b pin configuration 1. emitter 2. 3. collector base all dimensions in mm. dim min. max. a7.4 7.8 b 10.5 10.8 c2.4 2.7 d0.7 0.9 e 2.25 typ. f 0.49 0.75 g 4.5 typ. l 15.7 typ. m1.27 typ. n3.75 typ. p3.0 3.2 s 2.5 typ. 1 2 3 continental device india limited data sheet page 2 of 2
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