? semiconductor components industries, llc, 2000 october, 2000 rev. 2 1 publication order number: mbrd835l/d mbrd835l preferred device switchmode ? power rectifier dpak surface mount package this switchmode power rectifier which uses the schottky barrier principle with a proprietary barrier metal, is designed for use as output rectifiers, free wheeling, protection and steering diodes in switching power supplies, inverters and other inductive switching circuits. this state of the art device has the following features: ? low forward voltage ? 125 c operating junction temperature ? epoxy meets ul94, vo at 1/8 ? compact size ? lead formed for surface mount mechanical characteristics ? case: epoxy, molded ? weight: 0.4 gram (approximately) ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? lead and mounting surface temperature for soldering purposes: 260 c max. for 10 seconds ? shipped 75 units per plastic tube ? available in 16 mm tape and reel, 2500 units per 13 reel, by adding a at4o suffix to the part number ? marking: b835l maximum ratings rating symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 35 v average rectified forward current (at rated v r , t c = 88 c) i f(av) 8.0 a peak repetitive forward current (at rated v r , square wave, 20 khz, t c = 80 c) i frm 16 a nonrepetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60 hz) i fsm 75 a repetitive avalanche current (current decaying linearly to zero in 1 s, frequency limited by t jmax ) i ar 2.0 a storage temperature range t stg 65 to +150 c operating junction temperature t j 65 to +125 c voltage rate of change (rated v r ) dv/dt 10,000 v/ s device package shipping ordering information http://onsemi.com dpak case 369a style 3 schottky barrier rectifier 8.0 amperes 35 volts preferred devices are recommended choices for future use and best overall value. mbrd835l dpak 75 units/rail 1 3 4 mbrd835lt4 dpak 2500/tape & reel 4 1 3 marking diagram b835l b835l = device code
mbrd835l http://onsemi.com 2 thermal characteristics rating symbol value unit thermal resistance e junction to case r q jc 6 c/w thermal resistance e junction to ambient (note 1.) r q ja 80 c/w electrical characteristics maximum instantaneous forward voltage (note 2.) (i f = 8 amps, t c = +25 c) (i f = 8 amps, t c = +125 c) v f 0.51 0.41 volts maximum instantaneous reverse current (note 2.) (rated dc voltage, t c = +25 c) (rated dc voltage, t c = +100 c) i r 1.4 35 ma 1. rating applies when surface mounted on the minimum pad size recommended. 2. pulse test: pulse width = 300 m s, duty cycle 2%. typical characteristics 10 1 0.1 0 0.6 v f , instantaneous voltage (volts) figure 1. maximum forward voltage figure 2. typical forward voltage i f , instantaneous forward current (ma) 0.01 0.1 0.2 0.3 0.4 0.5 t j = 125 c 25 c 10 1 0.1 0 0.6 v f , instantaneous voltage (volts) 0.01 0.1 0.2 0.3 0.4 0.5 75 c i f , instantaneous forward current (amps ) 25 c 10 1 0.1 035 v f , reverse voltage (volts) figure 3. maximum reverse current figure 4. typical reverse current 0.001 5101520 t j = 125 c 25 c 10 1 0.1 0 v r , reverse voltage (volts) 0.01 5101520 t j = 125 c 75 c 25 c i r , reverse current (ma) i r , reverse current (ma) 0.01 100 1000 100 100 c 100 c 25 30 25 30 35 t j = 125 c
mbrd835l http://onsemi.com 3 typical characteristics 16 80 130 t c , case temperature ( c) 0 8 7 6 0 130 t a , ambient temperature ( c) 0 t j = 125 c 4 3.5 0 t a , ambient temperature ( c) 0 0 i f(av) , average forward current (amps) 1.5 3 4.5 6 4.5 5 i f(av) , average forward current (amps) 14.4 12.8 11.2 9.6 8 6.4 4.8 3.2 1.6 85 90 95 100 105 110 115 120 125 dc square wave i pk i av 5 (capacitive load) 10 20 i f(av) , average forward current (amps) 5 4 3 2 1 50 10 20 30 40 80 60 70 100 90 110 120 dc p (resistive load) square wave 10 20 i f(av) , average forward current (amps) 3 2.5 2 1.5 1 0.5 130 50 20 30 40 80 60 70 100 90 110 120 t j = 125 c dc p (resistive load) square wave 10 20 p f(av) , average forward power dissipation (watts) 8 7 6 0 5 4 3 2 1 7.5 9 10.5 12 13.5 15 t j = 125 c dc p (resistive load) square wave 10 20 p (resistive load) t j = 125 c i pk i av 5 (capacitive load) r q ja = 40 c/w surface mounted on mininum recommended pad size i pk i av 5 (capacitive load) r q ja = 80 c/w surface mounted on mininum recommended pad size i pk i av 5 (capacitive load) r q ja = 6 c/w 10 figure 5. maximum and typical capacitance 1 v r , reverse voltage (volts) 100 10 1000 c, capacitance (pf) typical maximum t j = 25 c figure 6. current derating, infinite heatsink figure 7. current derating figure 8. current derating, free air figure 9. forward power dissipation
mbrd835l http://onsemi.com 4 package dimensions dpak plastic case 369a13 issue aa d a k b r v s f l g 2 pl m 0.13 (0.005) t e c u j h t seating plane z dim min max min max millimeters inches a 0.235 0.250 5.97 6.35 b 0.250 0.265 6.35 6.73 c 0.086 0.094 2.19 2.38 d 0.027 0.035 0.69 0.88 e 0.033 0.040 0.84 1.01 f 0.037 0.047 0.94 1.19 g 0.180 bsc 4.58 bsc h 0.034 0.040 0.87 1.01 j 0.018 0.023 0.46 0.58 k 0.102 0.114 2.60 2.89 l 0.090 bsc 2.29 bsc r 0.175 0.215 4.45 5.46 s 0.020 0.050 0.51 1.27 u 0.020 --- 0.51 --- v 0.030 0.050 0.77 1.27 z 0.138 --- 3.51 --- notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 123 4 style 3: pin 1. anode 2. cathode 3. anode 4. cathode dpak footprint 0.190 4.826 mm inches 0.100 2.54 0.063 1.6 0.165 4.191 0.118 3.0 0.243 6.172 on semiconductor and are trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scill c data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthori zed use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. publication ordering information central/south america: spanish phone : 3033087143 (monfri 8:00am to 5:00pm mst) email : onlitspanish@hibbertco.com tollfree from mexico: dial 018002882872 for access then dial 8662979322 asia/pacific : ldc for on semiconductor asia support phone : 3036752121 (tuefri 9:00am to 1:00pm, hong kong time) toll free from hong kong & singapore: 00180044223781 email : onlitasia@hibbertco.com japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. mbrd835l/d switchmode is a trademark of semiconductor components industries, llc. north america literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com fax response line: 3036752167 or 8003443810 toll free usa/canada n. american technical support : 8002829855 toll free usa/canada europe: ldc for on semiconductor european support german phone : (+1) 3033087140 (monfri 2:30pm to 7:00pm cet) email : onlitgerman@hibbertco.com french phone : (+1) 3033087141 (monfri 2:00pm to 7:00pm cet) email : onlitfrench@hibbertco.com english phone : (+1) 3033087142 (monfri 12:00pm to 5:00pm gmt) email : onlit@hibbertco.com european tollfree access*: 0080044223781 *available from germany, france, italy, uk, ireland
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