ds30400 rev. 6 - 2 1 of 3 www.diodes.com ddtb (lo-r1) u ? diodes incorporated ddtb (lo-r1) u ddtb (lo-r1) u pnp pre-biased 500 ma su rface mount transistor features ? epitaxial planar die construction ? complementary npn types available (ddtd) ? built-in biasing resistors ? lead free/rohs compliant (note 2) ? "green" device (note 3 & 4) mechanical data ne w odod p p r uc t t r uc ? 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 ? terminals: solderable per mil-std-202, method 208 ? terminal connections: see diagram ? lead free plating (matte tin finish annealed over alloy 42 leadframe) ? marking information: see table below & page 3 ? ordering information: see page 3 ? weight: 0.006 grams (approximate) p/n r1 (nom) r2 (nom) type code ddtb122lu ddtb142ju ddtb122tu ddtb142tu 0.22k 0.47k 0.22k 0.47k 10k 10k open open p75 p76 p77 p78 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 a m j l ed c b maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit supply voltage, (3) to (2) v cc -50 v input voltage, (1) to (2) ddtb122lu ddtb142ju v in +5 to -6 +5 to -6 v input voltage, (2) to (1) ddtb122tu ddtb142tu v ebo (max) -5 v output current all i c -500 ma power dissipation (note 1) p d 200 mw thermal resistance, junction to ambient air (note 1) r ja 625 c/w operating and storage temperature range t j , t stg -55 to +150 c notes: 1. mounted on fr4 pc board with recommended pad layout 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.c om/products/lead_free/index.php. 4. 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. schematic and pin configuration r1 out b c e r2 3 2 1 in gnd(+) h k g
ds30400 rev. 6 - 2 2 of 3 www.diodes.com ddtb (lo-r1) u ? diodes incorporated new product electrical character istics @t a = 25c unless otherwise specified r1, r2 types characteristic symbol min typ max unit test condition ddtb122lu ddtb142ju v l(off) -0.3 -0.3 ? ? v v cc = -5v, i o = -100 a input voltage ddtb122lu ddtb142ju v l(on) ? ? -2.0 -2.0 v v o = -0.3v, i o = -20ma v o = -0.3v, i o = -20ma output voltage v o(on) ? ? -0.3v v i o /i l = -50ma/-2.5ma input current ddtb122lu ddtb142ju i l ? ? -28 -13 ma v i = -5v output current i o(off) ? ? -0.5 a v cc = -50v, v i = 0v dc current gain ddtb122lu ddtb142ju g l 56 56 ? ? ? v o = -5v, i o = -50ma gain-bandwidth product* f t ? 200 ? mhz v ce = -10v, i e = -5ma, f = 100mhz * transistor - for reference only electrical characteristi cs @t a = 25c unless otherwise specified r1 ? only types characteristic symbol min typ max unit test condition collector-base breakdown voltage bv cbo -50 ? ? v i c = -50 a collector-emitter breakdown voltage bv ceo -40 ? ? v i c = -1ma emitter-base breakdown voltage ddtb122tu ddtb142tu bv ebo -5 ? ? v i e = -50 a i e = -50 a collector cutoff current i cbo ? ? -0.5 a v cb = -50v emitter cutoff current ddtb122tu ddtb142tu i ebo ? ? ? -0.5 -0.5 a v eb = -4v collector-emitter saturation voltage v ce(sat) ? ? -0.3 v i c = -50ma, i b = -2.5ma dc current transfer ratio ddtb122tu ddtb142tu h fe 100 100 250 250 600 600 ? i c = -5ma, v ce = -5v gain-bandwidth product* f t ? 200 ? mhz v ce = -10v, i e = 5ma, f = 100mhz * transistor - for reference only
-50 0 50 100 150 250 200 150 50 100 0 t , ambient temperature ( c) fig. 1 power derating curve a i o ds30400 rev. 6 - 2 3 of 3 www.diodes.com ddtb (lo-r1) u ? diodes incorporated new product p , p o we r dissi p a t n (mw) d ordering information (note 4 & 5) device packaging shipping ddtb122lu-7-f sot-323 3000/tape & reel ddtb142ju-7-f sot-323 3000/tape & reel DDTB122TU-7-F sot-323 3000/tape & reel ddtb142tu-7-f sot-323 3000/tape & reel notes: 5. 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) ym = date code marking y = year ex: t = 2006 m = month ex: 9 = september date code key year 2006 2007 2008 2009 2010 2011 2012 code 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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