? semiconductor components industries, llc, 2008 november, 2008 ? rev. 5 1 publication order number: MBRS240LT3/d MBRS240LT3 surface mount schottky power rectifier smb power surface mount package these devices employ the scho ttky barrier principle in a metal ? to ? silicon 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. features ? compact package with j ? bend leads ideal for automated handling ? highly stable oxide passivated junction ? guard ? ring for overvoltage protection ? low forward voltage drop ? pb ? free package is available mechanical characteristics ? case: molded epoxy ? epoxy meets ul 94 v ? 0 @ 0.125 in ? weight: 95 mg (approximately) ? cathode polarity band ? maximum temperature of 260 c/10 seconds for soldering ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable 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 non ? repetitive 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 +150 c voltage rate of change (rated v r , t j = 25 c) dv/dt 10,000 v/ s stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. device package shipping ? ordering information smb case 403a plastic MBRS240LT3 smb 2500/tape & reel schottky barrier rectifier 2.0 amperes, 40 volts http://onsemi.com MBRS240LT3g smb (pb ? free) 2500/tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specifications brochure, brd8011/d. marking diagram 2bl4 = specific device code a = assembly location y = year ww = work week = pb ? free package (note: microdot may be in either location) ayww 2bl4
MBRS240LT3 http://onsemi.com 2 thermal characteristics characteristic symbol value unit thermal resistance, junction ? to ? lead (note 1) thermal resistance, junction ? to ? ambient (note 3) r jl r ja 18 78 c/w electrical characteristics maximum instantaneous forward voltage (note 2) (i f = 2.0 a) see figure 2 (i f = 4.0 a) v f t j = 25 c t j = 125 c v 0.43 0.54 0.375 0.55 maximum instantaneous reverse current (note 2) (v r = 40 v) see figure 4 (v r = 20 v) i r t j = 25 c t j = 100 c ma 2.0 0.5 60 40 1. mounted with minimum recommended pad size, pc board fr4. 2. pulse test: pulse width 250 s, duty cycle 2.0%. 3. 1 inch square pad size (1 x 0.5 inch for each lead) on fr4 board. typical characteristics 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 typical characteristics figure 5. current derating figure 6. forward power dissipation 100 120 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 0 110 , average forward current (amps) i o 150 140 1.0 1.5 0.6 p fo , average power dissipation (watts) 3.0 freq = 20 khz r jl = 18 c/w square wave 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 130 dc figure 7. capacitance figure 8. maximum non ? repetitive forward surge current figure 9. thermal response 30 0 v r , reverse voltage (volts) 1000 100 1.0 pulse width ( 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 package dimensions smb case 403a ? 03 issue g 2.261 0.089 2.743 0.108 2.159 0.085 mm inches scale 8:1 *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* e b d c l1 l a a1 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. d dimension shall be measured within dimension p. dim a min nom max min millimeters 1.90 2.13 2.45 0.075 inches a1 0.05 0.10 0.20 0.002 b 1.96 2.03 2.20 0.077 c 0.15 0.23 0.31 0.006 d 3.30 3.56 3.95 0.130 e 4.06 4.32 4.60 0.160 l 0.76 1.02 1.60 0.030 0.084 0.096 0.004 0.008 0.080 0.087 0.009 0.012 0.140 0.156 0.170 0.181 0.040 0.063 nom max 5.21 5.44 5.60 0.205 0.214 0.220 h e 0.51 ref 0.020 ref d l1 h e polarity indicator optional as needed on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y 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 wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? 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 of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized 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. this literature is subject to all applicable copyright laws and is not for resale in any manner. MBRS240LT3/d publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5773 ? 3850 literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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