? semiconductor components industries, llc, 2000 october, 2000 rev. 1 1 publication order number: MR4027/d MR4027 automotive transient voltage suppressor 20 v 27 v designed for automotive applications (alternator) requiring reverse avalanche capability for use as transient voltage suppressor. developed to suppress transients in automotive systems, this device operates in the forward mode as standard rectifier or in reverse as transient voltage suppressor for centralized protection. for further information referring to mounting or operating conditions, contact your nearest on semiconductor sales representative. mechanical characteristics ? finish: 100% tin plated all external surfaces are corrosion resistant ? weight: 2.6 grams (approximately) packaging/labeling ? two sealed bags into a cardboard box ? device number labeled on the bag marking ? the devices are laser marked on the epoxy surface maximum rating rating symbol value unit dc blocking voltage v r 18 volts average forward current (single phase, resistive load, t c = 185 c) i o 40 amps peak repetitive reverse surge current (time constant = 10 ms, t c = 25 c) (time constant = 80 ms, t c = 25 c) i rsm i rsm 110 50 amps nonrepetitive peak surge current (halfwave, single phase, 50 hz) i fsm 500 amps storage temperature range t stg 40 to +200 c maximum operating junction temperature t j 200 c device package shipping ordering information n suffix (anode to cup) p suffix (cathode to cup) case 193a http://onsemi.com MR4027n button can 5000 units/box MR4027p button can 5000 units/box marking diagram nl = location code 1n or 1p = device code and polarity yy = year ww = work week ### = assembly lot number www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com 4 .com u datasheet
MR4027 http://onsemi.com 2 thermal characteristics characteristic symbol value unit thermal resistance junction to case r q jc 0.4 c/w electrical characteristics characteristic symbol min max unit instantaneous forward voltage (note 1.) (i f = 100 amps, t c = 25 c) v f 1.1 volts reverse current (note 1.) (v r = 16 vdc, t c = 25 c) i r 1.0 a breakdown voltage (note 1.) (i r = 100 ma, t c = 25 c) v (br) 20 27 volts breakdown voltage (i r = 80 amps, t c = 25 c, pw = 80 s) (i r = 80 amps, t c = 85 c, pw = 80 s) v (br) 35 37 volts breakdown voltage temperature coefficient v (br)tc 0.095* %/ c forward voltage temperature coefficient (i f = 10 ma) v ftc 2* mv/ c 1. pulse test: pulse width < 300 m s, duty cycle < 2%. *typical figure 1. typical reverse current figure 2. typical forward voltage figure 3. maximum peak reverse current figure 4. maximum peak reverse power v r , reverse voltage (v) i 20 15 10 5 0 0.001 0.1 1 10 100 1000 , reverse current ( a) r t j = 200 c 0.01 150 c 100 c 25 c 100 c v f , instantaneous forward voltage (mv) i 1000 900 800 700 500 1 10 100 1000 f , instantaneous forward current (a) t j = 200 c 25 c 600 150 c t, time constant (ms) t, time constant (ms) i 1000 100 10 1 10 1000 p 1000 100 10 1 100 1000 10000 rsm , peak reverse current (a) , peak reverse power (w) rsm t c = 25 c t c = 25 c 100 www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com 4 .com u datasheet
MR4027 http://onsemi.com 3 t, time (s) 0.5 0.3 0.2 0.1 0 0 20 40 60 80 100 (%) 0.4 di/dt < 1 a/ s 2 ohms di/dt limitation 100 h MR4027n MR4027p x mf 0 150 v t (50%) t (10%) t (37%) t (37%) = time constant t (50%) = 0.7 t (37%) t (10%) = 2.3 t (37%) v r , reverse voltage (v) c, capacitance (pf) 20 15 10 5 0 4000 5000 6000 7000 8000 9000 10000 t c , case temperature ( c) i 220 180 160 140 120 100 0 10 20 30 40 60 , average forward current (a) f(avg) 200 50 figure 5. maximum reverse energy t, time constant (ms) w 1000 100 10 1 1 1000 rsm , peak reverse energy (j) t c = 25 c 100 10 figure 6. maximum current rating figure 7. typical capacitance figure 8. load dump test circuit figure 9. load dump pulse current www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com 4 .com u datasheet
MR4027 http://onsemi.com 4 package dimensions n suffix (anode to cup) p suffix (cathode to cup) case 193a02 issue a notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. dim a min max min max inches 11.4 11.6 0.449 0.457 millimeters b 9.3 9.7 0.366 0.382 c 4.3 4.9 0.169 0.193 d 5.4 5.6 0.213 0.220 e 3.6 4.2 0.142 0.165 f 1.0 2.0 0.039 0.079 a f d ec b 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. MR4027/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 www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com 4 .com u datasheet
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