dxta42 document number: ds31158 rev. 4 - 2 1 of 4 www.diodes.com december 2009 ? diodes incorporated dxta42 npn surface mount transistor features ? epitaxial planar die construction ? complementary pnp type available (dxta92) ? ideally suited for automated assembly processes ? ideal for medium power switching or amplification applications ? lead free by design/rohs compliant (note 1) ? "green" device (note 2) mechanical data ? case: sot89-3l ? case material: molded plasti c, "green? molding compound. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020c ? terminals: finish ? matte tin annealed over copper leadframe (lead free plating). solderable per mil-std-202, method 208 ? marking & type code information: see page 3 ? ordering information: see page 3 ? weight: 54.8mg (approximate) maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit collector-base voltage v cbo 300 v collector-emitter voltage v ceo 300 v emitter-base voltage v ebo 6 v continuous collector current i c 500 ma thermal characteristics characteristic symbol value unit power dissipation (note 3) @ t a = 25c p d 1 w thermal resistance, junction to ambient (note 3) r ja 125 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 typ max unit test conditions off characteristics (note 4) 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 = 1ma, i b = 0 emitter-base breakdown voltage v ( br ) ebo 6 ? ? v i e = 100 a, i c = 0 collector cut-off current i cbo ? ? 0.1 a v cb = 200v, i e = 0 emitter cut-off current i ebo ? ? 0.1 a v eb = 6v, i c = 0 on characteristics (note 4) collector-emitter saturation voltage v ce ( sat ) ? ? 0.5 v i c = 20ma, i b = 2ma base-emitter saturation voltage v be ( sat ) ? ? 0.9 v i c = 20ma, i b = 2ma static forward current transfer ratio h fe 25 40 40 ? ? ? i c = 1ma, v ce = 10v i c = 10ma, v ce = 10v i c = 30ma, v ce = 10v small signal characteristics transition frequency f t 50 ? ? mhz i c = 10ma, v ce = 20v, f = 100mhz output capacitance c obo ? ? 3 pf v cb = 20v, f = 1mhz notes: 1. no purposefully added lead. 2. diodes inc.'s "green" policy can be found on our webs ite at http://www.diodes.com /products/lead_free/index.php. 3. device mounted on fr-4 pcb; pad lay out as shown on page 4 or in diodes inc. s uggested pad layout document ap02001, which can be found on our website at http://www.diodes.com/d atasheets/ap02001.pdf. 4. measured under pulsed conditions. pulse width = 300 s. duty cycle 2%. top view device schematic pin out configuration 3 1 2,4 c o l l e c t o r e m i t t e r b a s e 4 3 2 1 c c b e t o p v i e w
dxta42 document number: ds31158 rev. 4 - 2 2 of 4 www.diodes.com december 2009 ? diodes incorporated dxta42 r = 125c ja 0 0.1 0.2 0.3 0.4 0.5 0.01 0.1 1 10 100 1,000 i , collector current (ma) c v , collector-emitter saturation voltage (v) ce(sat) fig. 4 collector-emitter saturation voltage vs. collector current
dxta42 document number: ds31158 rev. 4 - 2 3 of 4 www.diodes.com december 2009 ? diodes incorporated dxta42 ordering information (note 5) part number case packaging DXTA42-13 sot89-3l 2500/tape & reel notes: 5. for packaging details, go to our w ebsite at http://www.diodes .com/datasheets/ap02007.pdf. marking information package outline dimensions sot89-3l dim min max typ a 1.40 1.60 1.50 b 0.45 0.55 0.50 b1 0.37 0.47 0.42 c 0.35 0.43 0.38 d 4.40 4.60 4.50 d1 1.50 1.70 1.60 e 2.40 2.60 2.50 e ? ? 1.50 h 3.95 4.25 4.10 l 0.90 1.20 1.05 all dimensions in mm = manufacturer?s code marking k3m = product type marking code yww = date code marking y = last digit of year ex: 9 = 2009 ww = week code 01 - 52 k3m yww (top view) e d h l a c e 8 ( 4 x ) b1 b d1 r 0 . 2 0 0
dxta42 document number: ds31158 rev. 4 - 2 4 of 4 www.diodes.com december 2009 ? diodes incorporated dxta42 suggested pad layout important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability arising out of the application or use of this document or an y product described herein; neither does di odes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifically not authorized for use as critical component s in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support dev ice or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2009, diodes incorporated www.diodes.com dimensions value (in mm) x1 1.7 x2 0.9 x3 0.4 y1 2.7 y2 1.3 y3 1.9 c 3.0 y1 x3 x2 x1 y3 y2 c
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