? semiconductor components industries, llc, 2000 october, 2000 rev. 2 1 publication order number: mbrs240lt3/d mbrs240lt3 surface mount schottky power rectifier smb power surface mount package . . . employing the schottky barrier principle in a metaltosilicon power rectifier. features epitaxial construction with oxide passivation and metal overlay contact. ideally suited for low voltage, high frequency switching power supplies; free wheeling diodes and polarity protection diodes. ? compact package with jbend leads ideal for automated handling ? highly stable oxide passivated junction ? guardring for overvoltage protection ? low forward voltage drop mechanical characteristics: ? case: molded epoxy ? epoxy meets ul94, vo at 1/8 ? weight: 95 mg (approximately) ? cathode polarity band ? maximum temperature of 260 c/10 seconds for soldering ? available in 12 mm tape, 2500 units per 13 reel, add at3o suffix to part number ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? marking: 2bl4 maximum ratings rating symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 40 v average rectified forward current (at rated v r , t c = 100 c) i o 2.0 a peak repetitive forward current (at rated v r , square wave, 20 khz, t c = 105 c) i frm 4.0 a nonrepetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60 hz) i fsm 25 a storage/operating case temperature t stg , t c 55 to +150 c operating junction temperature t j 55 to +125 c voltage rate of change (rated v r , t j = 25 c) dv/dt 10,000 v/ s device package shipping ordering information smb case 403a plastic http://onsemi.com mbrs240lt3 smb 2500/tape & reel schottky barrier rectifier 2.0 amperes 40 volts marking diagram 2bl4 2bl4 = device code
mbrs240lt3 http://onsemi.com 2 thermal characteristics characteristic symbol value unit thermal resistance e junctiontolead (note 1.) thermal resistance e junctiontoambient (note 3.) r q jl r q ja 18 78 c/w electrical characteristics maximum instantaneous forward voltage (note 2 ) v f t j = 25 c t j = 125 c volts m ax i mum i ns t an t aneous f orwar d v o lt age (n o t e 2 . ) (i f = 2.0 a) see figure 2 (i f = 4.0 a) 0.43 0.54 0.375 0.55 maximum instantaneous reverse current (note 2 ) i r t j = 25 c t j = 100 c ma m ax i mum i ns t an t aneous r everse c urren t (n o t e 2 . ) (v r = 40 v) see figure 4 (v r = 20 v) 2.0 0.5 60 40 1. mounted with minimum recommended pad size, pc board fr4. 2. pulse test: pulse width 250 m s, duty cycle 2.0%. 3. 1 inch square pad size (1 x 0.5 inch for each lead) on fr4 board. figure 1. typical forward voltage figure 2. maximum forward voltage figure 3. typical reverse current figure 4. maximum reverse current 0.6 0.0 v f , instantaneous forward voltage (volts) 10 1.0 40 0 v r , reverse voltage (volts) 100e-3 10e-3 1.0e-3 100e-6 10e-6 i f , instantaneous forward current (amps) i 0.1 0.2 0.4 0.8 10 20 30 t j = 125 c 85 c 25 c -40 c v f , maximum instantaneous forward voltage (volts) i f , instantaneous forward current (amps) , reverse current (amps) r 40 0 v r , reverse voltage (volts) 100e-3 10e-3 1.0e-3 100e-6 10e-6 i 10 20 30 , maximum reverse current (amps) r t j = 125 c 85 c 25 c 100 c 25 c 0.5 0.1 0.3 0.7 0.6 0.0 10 1.0 0.1 0.2 0.4 t j = 125 c 85 c 25 c 0.5 0.1 0.3 0.7 0.8
mbrs240lt3 http://onsemi.com 3 figure 5. current derating figure 6. forward power dissipation 40 80 20 t l , lead temperature ( c) 2.0 1.0 0 i o , average forward current (amps) 0.5 2.0 0 1.6 1.2 1.0 0.4 0 60 , average forward current (amps) i o 140 120 1.0 1.5 0.6 p fo , average power dissipation (watts) 3.0 freq = 20 khz square wave ipk/io = ipk/io = 5.0 ipk/io = 10 ipk/io = 20 square wave ipk/io = ipk/io = 5.0 ipk/io = 10 ipk/io = 20 3.5 1.5 0.5 2.5 3.5 2.5 3.0 0.2 0.8 1.4 dc 100 0 dc figure 7. capacitance figure 8. maximum nonrepetitive forward surge current figure 9. thermal response 30 0 v r , reverse voltage (volts) 1000 100 1.0 pulse width ( m sec) 10000 1.0 10 c, capacitance (pf) 15 5.0 10 20 25 35 40 1000 10 100 100 1000 surge current (amps) t j = 25 c 0.1 0.00001 t, time (s) 1.0e+00 1.0e-01 1.0e-02 1.0e-03 1.0e-04 0.0001 0.001 0.01 1.0 10 100 1000 50% 20% 10% 5.0% 2.0% 1.0% r tjl(t) = r tjl*r(t) r , transient thermal resistance (normalized) t 10
mbrs240lt3 http://onsemi.com 4 minimum solder pad sizes mm inches 0.085 2.159 0.108 2.743 0.089 2.261 package dimensions smb plastic package case 403a03 issue d a s d b j p k c h notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. d dimension shall be measured within dimension p. dim min max min max millimeters inches a 0.160 0.180 4.06 4.57 b 0.130 0.150 3.30 3.81 c 0.075 0.095 1.90 2.41 d 0.077 0.083 1.96 2.11 h 0.0020 0.0060 0.051 0.152 j 0.006 0.012 0.15 0.30 k 0.030 0.050 0.76 1.27 p 0.020 ref 0.51 ref s 0.205 0.220 5.21 5.59 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. mbrs240lt3/d 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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