ZUMT491 document number: ds33334 rev. 3 - 2 1 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated npn small signal surface mo unt transistor in sot323 features ? low saturation voltage ? 500mw power dissipation ? i c = 1a high continuous current ? ideally suited for space / weight critical applicatons ? totally lead-free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. ?green? device (note 3) ? qualified to aec-q101 standards for high reliability mechanical data ? case: sot323 ? case material: molded plastic. ?green? molding compound. ? ul flammability rating 94v-0 ? moisture sensitivity: level 1 per j-std-020 ? terminals: finish - matte ti n plated leads, solderable per mil-std-202, method 208 ? weight: 0.006 grams (approximate) ordering information (note 4) product marking reel size (inches) tape width (mm) quantity per reel ZUMT491ta t91 7 8 3,000 notes: 1. no purposely added lead. fully eu directiv e 2002/95/ec (rohs) & 2011/6 5/eu (rohs 2) compliant. 2. see http://www.diodes.com for more info rmation about diodes incorpor ated?s definitions of halogen and antimony free,"green" and lead-free. 3. halogen and antimony free "green? products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm t otal br + cl) and <1000ppm antimony compounds. 4. for packaging details, go to our website at http://www.diodes.com marking information top view sot323 device symbol t91 = product type marking code t91 c e b top view pin out c e b
ZUMT491 document number: ds33334 rev. 3 - 2 2 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated maximum ratings (@t a = +25c, unless otherwise specified.) characteristic symbol value unit collector-base voltage v cbo 80 v collector-emitter voltage v ceo 60 v emitter-base voltage v ebo 7 v continuous collector current i c 1 a peak pulse current i cm 2 a base current i b 200 ma thermal characteristics (@t a = +25c, unless otherwise specified.) characteristic symbol value unit power dissipation (note 5) p d 500 mw thermal resistance, junction to ambient (note 5) r ja 250 q c/w thermal resistance, junction to leads (note 6) r jl 350 q c/w operating and storage temperature range t j, t stg -55 to +150 q c notes: 5. for a device surface mounted on 25mm x 25mm fr4 pcb with high coverage of single sided 1 oz copper, in still air conditions; device measured when operating in steady state condition. 6. thermal resistance from junction to solder-point (at the end of the leads).
ZUMT491 document number: ds33334 rev. 3 - 2 3 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated thermal characteristics and derating information 100m 1 10 10m 100m 1 25mm x 25mm 1oz fr4 pcb single pulse t amb =25c v ce(on) limited 100s 1ms 10ms 100ms 1s dc safe operating area i c collector current (a) v ce collector-emitter voltage (v) 0 20 40 60 80 100 120 140 160 0.0 0.1 0.2 0.3 0.4 0.5 0.6 25mm x 25mm 1oz fr4 pcb derating curve temperature (c) max power dissipation (w) 100 1m 10m 100m 1 10 100 1k 0 40 80 120 160 200 240 25mm x 25mm 1oz fr4 pcb t amb =25c transient thermal impedance d=0.5 d=0.2 d=0.1 single pulse d=0.05 thermal resistance (c/w) pulse width (s) 100 1m 10m 100m 1 10 100 1k 0.1 1 10 100 25mm x 25mm 1oz fr4 pcb single pulse t amb =25c pulse power dissipation pulse width (s) maximum power (w)
ZUMT491 document number: ds33334 rev. 3 - 2 4 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated electrical characteristics (@t a = +25c, unless otherwise specified.) characteristic symbol min max unit test condition off characteristics collector-base breakdown voltage bv cbo 80 ? v i c = 100 a, i e = 0 collector-emitter breakdown voltage (note 7) bv ceo 60 ? v i c = 10ma, i b = 0 emitter-base breakdown voltage bv ebo 7 ? v i e = 100 a, i c = 0 collector cutoff current i cbo ? 100 na v cb = 60v collector cutoff current i ces ? 100 na v ce = 60v emitter cutoff current i ebo ? 100 na v eb = 5v on characteristics (note 7) dc current gain h fe 100 100 80 ? 300 ? ? i c = 1ma, v ce = 5.0v i c = 500.0ma, v ce = 5.0v i c = 1.0a, v ce = 5.0v collector-emitter saturation voltage v ce(sat) ? 250 500 mv i c = 500ma, i b = 50ma i c = 1.0a, i b = 100ma base-emitter saturation voltage v be ( sat ) ? 1100 mv i c = 1.0a, i b = 100ma base-emitter turn on voltage v be ( on ) ? 1000 mv i c = 1.0a, v ce = 5.0v notes: 7. measured under pulsed conditions. pulse width ? 300s. duty cycle ? 2%.
ZUMT491 document number: ds33334 rev. 3 - 2 5 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated typical electrical characteristics (@t a = +25c, unless otherwise specified.) 1m 10m 100m 1 10m 100m 1 10m 100m 1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 1m 10m 100m 1 0 100 200 1m 10m 100m 1 0.2 0.4 0.6 0.8 1.0 1.2 1m 10m 100m 1 0.2 0.4 0.6 0.8 1.0 1.2 10m 100m 1 10 0 5 10 15 20 25 i c /i b =100 v ce(sat) v i c tamb=25c i c /i b =50 i c /i b =20 i c /i b =10 v ce(sat) (v) i c collector current (a) 100c v be(sat) v i c i c /i b =10 150c 25c -55c v ce(sat) (v) i c collector current (a) typical gain (h fe ) 150c h fe v i c v ce =5v -55c 25c 100c i c collector current (a) 150c 25c v ce(sat) v i c i c /i b =10 100c -55c v be(sat) (v) i c collector current (a) 150c v be(on) v i c v ce =5v 100c 25c -55c v be(on) (v) i c collector current (a) capacitance v voltage f = 1mhz cobo capacitance (pf) voltage(v)
ZUMT491 document number: ds33334 rev. 3 - 2 6 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated package outline dimensions suggested pad layout sot323 dim min max typ a 0.25 0.40 0.30 b 1.15 1.35 1.30 c 2.00 2.20 2.10 d - - 0.65 g 1.20 1.40 1.30 h 1.80 2.20 2.15 j 0.0 0.10 0.05 k 0.90 1.00 1.00 l 0.25 0.40 0.30 m 0.10 0.18 0.11 0 8 - all dimensions in mm dimensions value (in mm) z 2.8 x 0.7 y 0.9 c 1.9 e 1.0 a m j l d b c h k g x e y c z
ZUMT491 document number: ds33334 rev. 3 - 2 7 of 7 www.diodes.com october 2012 ? diodes incorporated ZUMT491 a product line o f diodes incorporated 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, enhancements, 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 ari sing 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 user 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 w hatsoever 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 associated 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 un ited 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 devic e or system whose failure to perform can be reasonably expected 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-related requirements concerning the ir products and any use of diodes incorporated products in su ch 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 ? 2012, diodes incorporated www.diodes.com
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