bc856a - bc858c pnp surface mount small signal transistor features ? ideally suited for automatic insertion ? complementary npn types available (bc846-bc848) ? for switching and af amplifier applications ? qualified to aec-q101 standards for high reliability ? lead, halogen and antimony free, rohs compliant "green" device (notes 3 and 4) mechanical data ? case: sot-23 ? case material: molded plastic. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020c ? terminals: solderable per mil-std-202, method 208 ? lead free plating (matte tin finish annealed over alloy 42 leadframe). ? pin connections: see diagram ? marking codes: see table below & diagram on page 4 ? ordering & date code information: see page 4 ? weight: 0.008 grams (approximate) a e j l top view m b c h g d k c be sot-23 dim min max a 0.37 0.51 b 1.20 1.40 c 2.30 2.50 d 0.89 1.03 e 0.45 0.60 g 1.78 2.05 h 2.80 3.00 j 0.013 0.10 k 0.903 1.10 l 0.45 0.61 m 0.085 0.180 0 8 all dimensions in mm e b c marking code (note 2) ds11207 rev. 19 - 2 1 of 4 www.diodes.com bc856a-bc858c ? diodes incorporated type marking type marking bc856a 3a, k3a bc857c 3g, k3g bc856b 3b, k3b bc858a 3j, k3j, k3a, k3v bc857a 3e, k3v, k3a bc858b 3k, k3k, k3b, k3w bc857b 3f, k3w, k3b bc858c 3l, k3l, k3g maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit collector-base voltage bc856 bc857 bc858 v cbo -80 -50 -30 v collector-emitter voltage bc856 bc857 bc858 v ceo -65 -45 -30 v emitter-base voltage v ebo -5.0 v collector current i c -100 ma peak collector current i cm -200 ma peak emitter current i em -200 ma power dissipation (note 1) p d 300 mw thermal resistance, junction to ambient (note 1) r ja 417 c/w operating and storage temperature range t j , t stg -65 to +150 c notes: 1. device mounted on fr-4 pcb, 1 in ch x 0.85 inch x 0.062 inch; pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at h ttp://www.diodes.com/datasheets/ap02001.pdf. 2. current gain subgroup ?c? is not available for bc856. 3. no purposefully added lead. halogen and antimony free. 4. product manufactured with data code v9 (week 33, 2008) and newer are built with green molding compound. product manufactured prior to date code v9 are built with non-green molding compound and may contain halogens or sb 2 o 3 fire retardants.
ds11207 rev. 19 - 2 2 of 4 www.diodes.com bc856a-bc858c ? diodes incorporated electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min typ max unit test condition collector-base breakdown voltage (note 5) bc856 bc857 bc858 v (br)cbo -80 -50 -30 ? ? ? ? ? ? v i c = 10 a, i b = 0 collector-emitter breakdown voltage (note 5) bc856 bc857 bc858 v (br)ceo -65 -45 -30 ? ? ? ? ? ? v i c = 10ma, i b = 0 emitter-base breakdown voltage (note 5) v (br)ebo -5 ? ? v i e = 1 a, i c = 0 h-parameters small signal current gain current gain group a b c input impedance current gain group a b c output admittance current gain group a b c reverse voltage transfer ratio current gain group a b c h fe h fe h fe h ie h ie h ie h oe h oe h oe h re h re h re ? ? ? ? ? ? ? ? ? ? ? ? 200 330 600 2.7 4.5 8.7 18 30 60 1.5x10 -4 2x10 -4 3x10 -4 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? k k k s s s ? ? ? v ce = -5.0v, i c = -2.0ma, f = 1.0khz dc current gain (note 5) current gain group a b c h fe 125 220 420 180 290 520 250 475 800 ? v ce = -5.0v, i c = -2.0ma collector-emitter saturation voltage (note 5) v ce(sat) ? -75 -250 -300 -650 mv i c = -10ma, i b = -0.5ma i c = -100ma, i b = -5.0ma base-emitter saturation voltage (note 5) v be(sat) ? ? -700 -850 ? mv i c = -10ma, i b = -0.5ma i c = -100ma, i b = -5.0ma base-emitter voltage (note 5) v be(on) -600 ? -650 ? -750 -820 mv v ce = -5.0v, i c = -2.0ma v ce = -5.0v, i c = -10ma collector-cutoff current (note 5) bc856 bc857 bc858 i ces i ces i ces i cbo i cbo ? ? ? ? ? ? ? ? ? ? -15 -15 -15 -15 -4.0 na na na na a v ce = -80v v ce = -50v v ce = -30v v cb = -30v v cb = -30v, t a = 150c gain bandwidth product f t 100 200 ? mhz v ce = -5.0v, i c = -10ma, f = 100mhz collector-base capacitance c cbo ? 3 ? pf v cb = -10v, f = 1.0mhz noise figure nf ? 2 10 db v ce = -5.0v, i c = 200a, r s = 2k , f = 1khz, f = 200hz notes: 5. short duration pulse test used to minimize self-heating effect.
1 0.1 10 100 1000 v, c o lle c t o r t o emi t t e r saturation voltage (v) ce(sat) i , collector current (ma) fig. 2 collector emitter saturation voltage vs. collector current c t= 25c a t= -50c a t = 150c a 0 0.1 0.2 0.3 0.4 0.5 i i c b = 10 0 50 100 25 50 75 100 125 150 175 200 p , p o we r dissi p a t i o n (mw) d t , ambient temperature (c) fig. 1, max power dissipation vs ambient temperature a 150 200 250 300 350 0 0 0.1 0.2 0.3 0.4 0.5 0.1 1.0 10 100 h fe, d c c u r r en t g ain (n o r malized) i , collector current (ma) fig. 3, dc current gain vs. collector current c 10 100 1000 1 10 100 f, g ain bandwid t h p r o d u c t (m h z) t i , collector current (ma) fig. 4, gain bandwidth product vs collector current c v= 5v ce ds11207 rev. 19 - 2 3 of 4 www.diodes.com bc856a-bc858c ? diodes incorporated
ordering information (note 6) ds11207 rev. 19 - 2 4 of 4 www.diodes.com bc856a-bc858c ? diodes incorporated device* packaging shipping sot-23 3000/tape & reel BC85XX-7-F * xx = device type, e.g. bc856a-7-f. notes: 6. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. marking information xxx ym xxx = product type marking code (see page 1), e.g. k3a = bc856a ym = date code marking y = year ex: t = 2006 m = month ex: 9 = september date code key year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 code j k l m n p r s t u v w x y z month jan feb mar apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d important notice diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to any product herein. diodes incorporat ed does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its paten t rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes inco rporated and all the companies whose products ar e represented on our website, harmless against all damages. life support diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the president of diodes incorporated.
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