sbr t 4 u 45lp document number: ds 37472 rev. 6 - 2 1 of 5 www.diodes.com march 2015 ? diodes incorporated new prod advanced information sbrt 4 u 45 lp advanced information 4 a trench s br trench super barrier rectifier product summary v rrm (v) i o (a) v f (max) (v) @ +25 c i r (max) ( m a) @ +25 c 45 4 0. 5 2 0. 1 description and applications t he sbr t 4 u 45 lp provides very low v f and excellent reverse leakage stability at high temperatures. it is ideal for use as bypass diode and rectifier, freewheel diode or blocking diode in applications such as: ? solar panels ? blocking diode ? bypass diode ? boost diode ? rec ir culating diode features and benefits ? patented trench sbr t echnology p rovides s uperior a valanche c apability v ersus s chottky d iodes , e nsuring m ore r ugged and r eliable e nd a pplications . ? reduced u ltra - l ow f orward v oltage d rop ( v f ) ; b etter e fficiency and c ooler o peration . ? reduced h igh t emperature r everse l eakage . increased r eliability a gainst t hermal r unaway f ailure in h igh t emperature o peration . ? 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: u - dfn2020 - 2 (type b) ? case material: molded plastic, green molding c ompound ; ul flammability classification rating 94v - 0 ? moisture sensitivity: level 1 per j - std - 020 ? terminals: finish - matte tin a nnealed over copper l eadframe ; solderable per mil - std - 202, method 208 ? polarity: see below ? weight: 6 .757 mg ( a pproximate ) ordering information (note 4 ) part number case packaging sbr t 4 u 45lp - 7 u - dfn2020 - 2 (type b) 3 , 0 00/tape & reel note s: 1 . no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant . 2. see http://www.diodes.com/quality/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, "green" and lead - f ree . 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm tota l br + cl) and <1000ppm antimony compounds. 4. for packaging details, go to our website at http://www.diodes.com/products/packages.html . marking informatio n date code key year 2014 2015 2016 2017 2018 2019 2020 2021 2022 code b c d e f g h i j 4u45 = product type marking code ym = date code marking y = year (ex: b = 20 14 ) m = month (ex: 6 = june ) bar = cathode top view bottom view top view internal schematic 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 u - dfn2020 - 2 (type b)
sbr t 4 u 45lp document number: ds 37472 rev. 6 - 2 2 of 5 www.diodes.com march 2015 ? diodes incorporated new prod advanced information sbrt 4 u 45 lp advanced information maximum ratings (@ t a = +25c, unless otherwise specified.) single phase, half wave, 60hz, resistive or inductive load . for capacitance load, derate current by 20%. characteristic symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v rm 45 v average rectified output current i o 4 a non - repetitive peak forward surge current 8.3ms single half sine - wave superimposed on rated load i fsm 45 a thermal characteristics characteristic symbol value unit typical thermal resistance junction to case (note 5 ) r j c 5 c/w typical thermal resistance junction to ambient (note 5) r ja 65 c/w operating temperature range v r 80% v rrm v r 50% v rrm dc forward mode (note 7) t j - 5 5 to +1 5 0 stg - 5 5 to +1 50 c electrical characteristics (@ t a = +25c, unless otherwise specified.) characteristic symbol min typ max unit test condition forward voltage drop (note 6) v f f = 4 a, t j = + 25 c leakage current (note 6 ) i r r = 45 v, t j = + 25 c v r = 45 v, t j = + 1 25 c notes: 5 . device mounted on fr - 4 pcb pad layout 1 - inch 2oz copper . 6 . short duration pulse test used to minimize self - heating effect. 7. max junction temperature guaranteed for two hours.
sbr t 4 u 45lp document number: ds 37472 rev. 6 - 2 3 of 5 www.diodes.com march 2015 ? diodes incorporated new prod advanced information sbrt 4 u 45 lp advanced information 0.001 0.01 0.1 1 10 0 200 400 600 800 i f , instantaneous forward current (a) v f , instantaneous forward voltage (mv) figure 1 typical forward characteristics 175 o c 150 o c 125 o c 85 o c 25 o c 0.1 1 10 100 1000 10000 100000 0 5 10 15 20 25 30 35 40 45 i r , leakage current ( a) v r , reverse voltage (v) figure 2 typical reverse characteristics 25 o c 85 o c 125 o c 150 o c 175 o c 10 100 1000 10000 0 10 20 30 40 c t , junction capacitance ( p f) v r , reverse voltage (v) figure 3 typical junction capacitance f = 1mhz 0 25 50 75 100 125 150 0 5 10 15 20 25 30 35 40 45 t a , ambient temperature ( r , dc reverse voltage (v) figure 4 operating temperature derating 0 50 100 150 200 250 300 350 400 450 500 0.0001 0.001 0.01 0.1 1 10 100 1000 p (pk) , peak transient power (w) t1, pulse duration time (sec) figure 5 single pulse maximum power dissipation single pulse r ja =158 ja (t)=r ja * r(t) t j - t a =p * r ja (t) 0.001 0.01 0.1 1 0.0001 0.001 0.01 0.1 1 10 100 1000 10000 r(t), transient thermal resistance t1, pulse duration time (sec) figure 6 transient thermal resistance r ja (t)=r(t) * r ja r ja =155
sbr t 4 u 45lp document number: ds 37472 rev. 6 - 2 4 of 5 www.diodes.com march 2015 ? diodes incorporated new prod advanced information sbrt 4 u 45 lp advanced information package outline dimensions please see ap02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version. suggested pad layout please see ap02001 at http://www.diodes.com/datasheets/ap0 2001.pdf for the latest versio n. u - dfn2020 - 2 (t ype b) dim min max typ a 0.47 ? ? a1 0 .00 0.05 0.0 2 b 1.55 1.65 1.60 d 1. 95 2.05 2.00 d2 1.50 1.70 1.60 e 1.95 2.05 2.00 e2 1.22 1.42 1.32 k 0.25 bsc l 0. 23 0. 33 0. 28 z 0.20 bsc z1 0.075 bsc all dimensions in mm dimensions value (in mm) g 0.150 x 1.700 x1 1.700 y 0.480 y1 1.520 y2 2.150 x y y1 x1 y2 g a seating plane d d2 e l z b a1 e2 k z1
sbr t 4 u 45lp document number: ds 37472 rev. 6 - 2 5 of 5 www.diodes.com march 2015 ? diodes incorporated new prod advanced information sbrt 4 u 45 lp advanced information 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 reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license unde r its patent or trademark rights, nor the rights of others. any customer or user of t his document or products described herein 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 diod es incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthor ized sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application , customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t 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 nam es and markings noted herein may also be covered by one or more united states, international or fore ign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporated. life support diodes incorp orated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems 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 properly used in accordance with instruction s for use provided in the labeling can be reasonably expecte d to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expe cted to cause the failure of the life support device or to affect its safet y or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support d evices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requirements concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may be provided by diode s incorporated. further, customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 201 5 , dio des incorporated www.diodes.com
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