ds30161 rev. 6 - 2 1 of 4 mmst4126 www.diodes.com diodes incorporated mmst4126 pnp small signal surface mount transistor epitaxial planar die construction complementary npn type available (mmst4124) ideal for medium power amplification and switching ultra-small surface mount package lead free/rohs compliant (note 2) "green" device (note 3 and 4) characteristic symbol mmst4126 unit collector-base voltage v cbo -25 v collector-emitter voltage v ceo -25 v emitter-base voltage v ebo -4.0 v collector current - continuous (note 1) i c -200 ma power dissipation (note 1) p d 200 mw thermal resistance, junction to ambient (note 1) r ja 625 c/w operating and storage and temperature range t j ,t stg -55 to +150 c features maximum ratings @ t a = 25 c unless otherwise specified a m j l f d b c h k g b e c mechanical data case: sot-323 case material: molded plastic, "green" molding compound, note 4. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminal connections: see diagram terminals: solderable per mil-std-202, method 208 lead free plating (matte tin finish annealed over alloy 42 leadframe). marking (see page 2): k2b ordering & date code information (see page 2) weight: 0.006 grams (approximate) note: 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 layou t document ap02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. no purposefully added lead. 3. diodes inc.'s "green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 4. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufactured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardant s. sot-323 dim min max a 0.25 0.40 b 1.15 1.35 c 2.00 2.20 d 0.65 nominal e 0.30 0.40 g 1.20 1.40 h 1.80 2.20 j 0.0 0.10 k 0.90 1.00 l 0.25 0.40 m 0.10 0.18 0 8 all dimensions in mm e b c lead-free green
ds30161 rev. 6 - 2 2 of 4 mmst4126 www.diodes.com electrical characteristics @ t a = 25 c unless otherwise specified characteristic symbol min max unit test condition off characteristics (note 5) collector-base breakdown voltage v (br)cbo -25 v i c = -10 a, i e = 0 collector-emitter breakdown voltage v (br)ceo -25 v i c = -1.0ma, i b = 0 emitter-base breakdown voltage v (br)ebo -4.0 v i e = -10 a, i c = 0 collector cutoff current i cbo -50 na v cb = -20v, i e = 0v emitter cutoff current i ebo -50 na v eb = -3.0v, i c = 0v on characteristics (note 5) dc current gain h fe 120 60 360 i c = -2.0ma, v ce = -1.0v i c = -50ma, v ce = -1.0v collector-emitter saturation voltage v ce(sat) -0.40 v i c = -50ma, i b = -5.0ma base-emitter saturation voltage v be(sat) -0.95 v i c = -50ma, i b = -5.0ma small signal characteristics output capacitance c obo 4.5 pf v cb = -5.0v, f = 1.0mhz, i e = 0 input capacitance c ibo 10 pf v eb = -0.5v, f = 1.0mhz, i c = 0 small signal current gain h fe 120 480 v ce = 1.0v, i c = -2.0ma, f = 1.0khz current gain-bandwidth product f t 250 mhz v ce = -20v, i c = -10ma, f = 100mhz noise figure nf 4.0 db v ce = -5.0v, i c = -100 a, r s = 1.0k f = 1.0khz month jan feb march apr may jun jul aug sep oct nov dec code 1234567 89 o nd date code key k2b = product type marking code ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september k2b ym marking information notes: 4. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufactured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardant s. 5. short duration test pulse used to minimize self-heating effect. 6. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. device packaging shipping MMST4126-7-F sot-323 3000/tape & reel (note 4 & 6) ordering information year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 code jklmnpr st u vw
ds30161 rev. 6 - 2 3 of 4 mmst4126 www.diodes.com 0.5 0.6 0.7 0.8 0.9 1 . 0 1 10 100 v , base-emitter (v) saturation voltage be(sat) i , collector current (ma) fig. 5, typical base-emitter saturation volta g e vs. collector current c i c i b =10 0.01 0.1 10 1 1 10 100 1000 v , collector-emitter (v) saturation voltage ce(sat) i , collector current (ma) fig. 4, typical collector-emitter saturation voltage vs. collector current c i c i b =10 1 10 1000 100 0.1 1 10 1000 100 h , dc current gain fe i , collector current (ma) fig. 3, typical dc current gain vs collector current c t = -25c a t = +25c a t = 125c a v = 1.0v ce 1 100 10 0.1 1 10 100 c , input capacitance (pf) c , output capacitance (pf) ibo obo v , collector-base voltage (v) fig. 2, input and output capacitance vs. collector-base volta g e cb f=1mhz cibo cobo 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 tem p erature a 150 200 250 300 350 0
ds30161 rev. 6 - 2 4 of 4 mmst4126 www.diodes.com important notice life support www.diodes.com diodes, inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhance- ments, improvements, or other changes. diodes, inc. does not assume any liability arising out of the application or use of any product described herei n; neither does it convey any license under its patent 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 incorporated and all the companies whose products are represented on our website, harmless against all damages. the products located on our website at are not recommended for use in life support systems where a failure or malfunction of the component may directly threaten life or cause injury without the expressed written approval of diodes incorporated.
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