mmdta42 dual npn small signal surface mount transistor features ds30438 rev. 5 - 2 1 of 3 www.diodes.com mmdta42 ? diodes incorporated ? epitaxial planar die construction ? ideal for medium power amplification and switching ? lead free/rohs compliant (note 3) ? "green" device, note 4 and 5 mechanical data ? case: sot-26 ? case material: molded plastic, "green" molding compound, note 5. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020c ? terminal connections: see diagram ? terminals: finish - matte tin solderable per mil-std-202, method 208 ? lead free plating (matte tin finish annealed over copper leadframe). ? marking information: k3m, see page 3 ? ordering & date code information: see page 3 ? weight: 0.008 grams (approximate) s ot-26 dim min max typ a 0.35 0.50 0.38 b 1.50 1.70 1.60 c 2.70 3.00 2.80 d ? ? 0.95 f ? ? 0.55 h 2.90 3.10 3.00 j 0.013 0.10 0.05 k 1.00 1.30 1.10 l 0.35 0.55 0.40 m 0.10 0.20 0.15 0 8 ? all dimens ons in mm i maximum ratings @t a = 25c unless otherwise specified characteristic a m j l d f c b h k q2 q1 symbol value unit collector-base voltage v cbo 300 v collector-emitter voltage v ceo 300 v emitter-base voltage v ebo 6.0 v collector current (note 1) (note 2) i c 500 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 -55 to +150 c notes: 1. device mounted on fr-4 pcb, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on diodes inc. suggested pad layo ut document ap02001, which can be found on our website at http://www.diodes.com /datasheets/ap02001.pdf. 2. when operated under collector-emitter saturation conditions within the safe operating area defined by the thermal resista nce rating (r ja ), power dissipation rating (p d ) and power derating curve (figure 1). 3. no purposefully added lead. 4. diodes inc.'s "green" policy can be found on our website at http://www.diodes.c om/products/lead_free/index.php. 5. product manufactured with date code 0627 (week 27, 2006) and newer are built with green molding compound. product manufac tured prior to date code 0627 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants.
electrical characteristics @t a = 25c unless otherwise specified characteristic ds30438 rev. 5 - 2 2 of 3 www.diodes.com mmdta42 ? diodes incorporated symbol min max unit test condition off characteristics (note 6) collector-base breakdown voltage v (br)cbo 300 ? v i c = 100 a, i e = 0 collector-emitter breakdown voltage v (br)ceo 300 ? v i c = 1.0ma, i b = 0 emitter-base breakdown voltage v (br)ebo 6.0 ? v i e = 100 a, i c = 0 collector cutoff current i cbo ? 100 na v cb = 200v, i e = 0 collector cutoff current i ebo ? 100 na v ce = 6.0v, i c = 0 on characteristics (note 6) dc current gain h fe 25 40 40 ? ? i c = 1.0ma, v ce = 10v i c = 10ma, v ce = 10v i c = 30ma, v ce = 10v collector-emitter saturation voltage v ce(sat) ? 0.5 v i c = 20ma, i b = 2.0ma base-emitter saturation voltage v be(sat) ? 0.9 v i c = 20ma, i b = 2.0ma small signal characteristics output capacitance c cb ? 3.0 pf v cb = 20v, f = 1.0mhz, i e = 0 current gain-bandwidth product f t 50 ? mhz v ce = 20v, i c = 10ma, f = 100mhz notes: 6. short duration pulse test used to minimize self-heating effect. 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 11 0 100 1,000 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 0.2 0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 2.0 1.8 i i c b = 10 1 10 1,000 10,000 100 1 10 1,000 100 h, d c c u r r en t g ain fe i , collector current (ma) fig. 3, dc current gain vs. collector current c t = -50c a t = 25c a t = 150c a v = 5v ce 0.1 0.2 0.1 11 0 v , base emi 1 0 0 t t e r v o l t a g e (v) be(on) 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 v = 5v ce i , collector current (ma) fig. 4, base emitter voltage vs. collector current c t = -50c a t = 25c a t = 150c a
1 10 100 1 10 f, g ain bandwid t h p r o d u c t (m h z) t i , collector current (ma) fig. 5, gain bandwidth product vs. collector current c ordering information (note 5 & 7 ) device ds30438 rev. 5 - 2 3 of 3 www.diodes.com mmdta42 ? diodes incorporated packaging shipping mmdta42-7-f sot-26 3000/tape & reel notes: 7. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. marking information k3m ym k3m ym k3m = product type marking code ym = date code marking y = year ex: p = 2003 m = month ex: 9 = se p tembe r date code key year 2004 2005 2006 2007 2008 2009 2010 2011 2012 code 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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