mmbt6427 npn surface mount darlington transistor features ? epitaxial planar die construction ? ideal for low power amplification and switching ? high current gain ? lead, halogen and antimony free, rohs compliant "green" device (notes 1 and 4) mechanical data ? case: sot-23 ? case material: molded plastic. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020d ? terminals: solderable per mil-std-202, method 208 ? lead free plating (matte tin finish annealed over alloy 42 leadframe). ? terminal connections: see diagram ? marking (see page 3): k1d ? ordering & date code information: see page 3 ? weight: 0.008 grams (approximate) 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 a c b e j l top view m b c h g d k e e b c maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit collector-base voltage v cbo 40 v collector-emitter voltage v ceo 40 v emitter-base voltage v ebo 12 v collector current - continuous i c 500 ma thermal characteristics characteristic symbol value unit power dissipation (note 2) @ t a = 25 c p d 300 mw thermal resistance, junction to ambient (note 2)@ t a = 25 c r ja 417 c/w operating and storage temperature range t j , t stg -55 to +150 c electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min max unit test condition off characteristics (note 3) collector-base breakdown voltage v (br)cbo 40 ? v i c = 100 a, i e = 0 collector-emitter breakdown voltage v (br)ceo 40 ? v i c = 10ma, i b = 0 emitter-base breakdown voltage v (br)ebo 12 ? v i e = 10 a, i c = 0 collector cutoff current i cbo ? 50 na v cb = 30v, i e = 0 collector cutoff current i ceo ? 1.0 a v ce = 25v, i b = 0 emitter cutoff current i ebo ? 50 na v eb = 10v, i c = 0 on characteristics (note 3) dc current gain h fe 10,000 20,000 14,000 100,000 200,000 140,000 ? i c = 10ma, v ce = 5.0v i c = 100ma, v ce = 5.0v i c = 500ma, v ce = 5.0v collector-emitter saturation voltage v ce(sat) ? 1.2 1.5 v i c = 50ma, i b = 0.5ma i c = 500ma, i b = 0.5ma base-emitter saturation voltage v be(sat) ? 2.0 v i c = 500ma, i b = 0.5ma base-emitter on voltage v be(on) ? 1.75 v i c = 50ma, v ce =5.0v small signal characteristics output capacitance c obo 8.0 typical pf v cb = 10v, f = 1.0mhz, i e = 0 input capacitance c ibo 15 typical pf v eb = 0.5v, f = 1.0mhz, i c = 0 notes: 1. no purposefully added lead. halogen and antimony free. 2. device mounted on fr-4 pcb, 1 inch x 0.85 inch x 0.062 inch; pad layout as show n on diodes inc. suggested pad layout docu ment ap02001, which can be found on our website at http://www.diodes.com /datasheets/ap02001.pdf. 3. short duration pulse test used to minimize self-heating effect. 4. product manufactured with data code v9 (week 33, 2008) and newer are built with green molding compound. product manufactur ed prior to date code v9 are built with non-green molding compound and may contain halogens or sb 2 o 3 fire retardants. ds30048 rev. 9 - 2 1 of 3 www.diodes.com mmbt6427 ? diodes incorporated
0 50 100 25 50 75 100 125 150 175 200 p , power dissipation (mw) d t , ambient temperature (c) fig. 1, max power dissipation vs ambient temperature a 150 200 250 300 350 400 0 1 10 100 1000 v , collector to emitter saturation voltage (v) ce(sat) i , collector current (ma) fig. 2, collector emitter saturation voltage vs. collector current c 0.45 0.40 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.10 1.05 1.00 100 1,000 100,000 1,000,000 10,000 1 10 1000 100 h , dc current gain fe i , collector current (ma) fig. 3, dc current gain vs collector current c 0.1 1 10 100 v , base emitter voltage (v) be(on) i , collector current (ma) fig. 4, base emitter voltage vs. collector current c 0.3 0.2 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.6 1.5 1.4 1 10 1000 100 11 0 f , gain bandwidth product (mhz) t i , collector current (ma) fig. 5, gain bandwidth product vs collector current c 1 0 0 ds30048 rev. 9 - 2 2 of 3 www.diodes.com mmbt6427 ? diodes incorporated
ordering information (note 5) ds30048 rev. 9 - 2 3 of 3 www.diodes.com mmbt6427 ? diodes incorporated device packaging shipping sot-23 3000/tape & reel mmbt6427-7-f notes: 5. for packaging details, go to our websit e at http://www.diodes.c om/datasheets/ap02007.pdf. marking information k1d ym k1d = product type marking code ym = date code marking y = year ex: n = 2002 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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