? semiconductor components industries, llc, 2000 october, 2000 rev. 4 1 publication order number: mr2535l/d mr2535l overvoltage transient suppressors medium current designed for applications requiring a low voltage rectifier with reverse avalanche characteristics for use as reverse power transient suppressors. developed to suppress transients in the automotive system, these devices operate in the forward mode as standard rectifiers or reverse mode as power avalanche rectifier and will protect electronic equipment from overvoltage conditions. ? avalanche voltage 24 to 32 volts ? high power capability ? economical ? increased capacity by parallel operation mechanical characteristics ? case: epoxy, molded ? weight: 2.5 grams (approximately) ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? maximum lead temperature for soldering purposes: 350 c 3/8 from case for 10 seconds at 5 lbs. tension ? polarity: indicated by diode symbol or cathode band ? marking: mr2535l maximum ratings (t j = 25 c unless otherwise noted) rating symbol value unit dc peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 20 volts repetitive peak reverse surge current (time constant = 10 ms, duty cycle 1%, t c = 25 c) (see note 1) i rsm 62 amps average rectified forward current (single phase, resistive load, 60 hz, t c = 125 c) (see figure 4) i o 6.0 amps nonrepetitive peak surge current surge supplied at rated load conditions halfwave, single phase i fsm 600 amps operating and storage junction temperature range t j , t stg 65 to +175 c device package shipping ordering information axial lead button case 194 style 1 http://onsemi.com mr2535l axial lead button 1000/box mr2535lrl axial lead button 800/reel marking diagram mr2535l lyyww mr2535l = device code l = location code yy = year ww = work week
mr2535l http://onsemi.com 2 thermal characteristics characteristic lead length symbol max unit thermal resistance, junction to lead @ both leads to heat sink, equal length 1/4 3/8 1/2 r q jl 7.5 10 13 c/w thermal resistance junction to case r q jc 0.8* c/w electrical characteristics (t j = 25 c unless otherwise noted) 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 (v r = 20 vdc, t c = 25 c) i r 200 nadc breakdown voltage (note 1.) (i r = 100 madc, t c = 25 c) v (br) 24 32 volts breakdown voltage (note 1.) (i r = 90 amp, t c = 150 c, pw = 80 m s) v (br) 40 volts breakdown voltage temperature coefficient v (br)tc 0.096* %/ 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%.
mr2535l http://onsemi.com 3 75 c figure 1. typical forward voltage figure 2. typical reverse current versus junction temperature v f , instantaneous forward voltage (mv) t j , junction temperature ( c) i 1000 900 800 700 600 1 10 100 1000 i 150 125 100 75 50 25 0.01 0.1 1 10 100 1000 figure 3. typical capacitance figure 4. maximum current ratings v r , dc blocking voltage (v) t l , lead temperature ( c) c, capacitance (pf) 25 20 15 10 5 0 1000 1500 2000 2500 3000 3500 4000 i 180 140 120 100 80 60 40 20 0 5 10 15 20 25 figure 5. thermal response figure 6. steady state thermal resistance t, time (s) lead length (mm) r(t), transient thermal 100 10 1 0.01 0.001 0.01 0.1 1 r 25 20 15 10 5 0 0 5 10 15 20 25 30 45 f , instantaneous forward current (a) , reverse current (na) r , average forward current (a) f(avg) 160 0.1 resistance (normalized) 35 40 , thermal resistance junction to lead ( c/w) jl t j = 125 c 25 c v r = 20 v t j = 25 c l = 6.25 mm 10 mm 15 mm both leads to heatsink with equal length i f(peak) /i f(avg) = l = 6.25 mm, both leads to heatsink (equal length) maximum maximum typical typical both leads to heatsink (equal length) single to heatsink
mr2535l http://onsemi.com 4 figure 7. maximum peak reverse current figure 8. maximum peak reverse power t, time constant (ms) t, time constant (ms) i 1000 100 10 1 10 100 p 1000 100 10 1 100 1000 10000 figure 9. maximum reverse energy figure 10. reverse power derating t, time constant (ms) t l , lead temperature ( c) w 1000 100 10 1 1 10 100 1000 150 100 75 50 25 0 400 800 1200 1600 2400 figure 11. typical clamping factor i rsm , repetitive peak reverse surge current (a) v 120 70 60 30 10 1.00 1.10 1.20 rsm , peak reverse current (a) , peak reverse power (w) rsm peak reverse power (w) 125 50 , peak reverse energy (j) rsm 2000 20 40 90 110 80 100 1.02 1.04 1.06 1.08 1.18 1.12 1.14 1.16 t j = 25 c t j = 25 c t j = 25 c time constant = 100 ms time constant = 10 ms /v z(irsm) z(100 ma) pw = 80 s, t l = 25 c
mr2535l http://onsemi.com 5 figure 12. load dump test circuit figure 13. load dump pulse current t, time (s) 0.5 0.3 0.2 0.1 0 0 20 40 60 80 100 (%) 0.4 dl/dt < 1 a/ s 2 ohms dl/dt limitation 100 h mr2535l 50 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%)
mr2535l http://onsemi.com 6 notes
mr2535l http://onsemi.com 7 package dimensions axial lead button case 19404 issue f notes: 1. cathode symbol on package. style 1: pin 1. cathode 2. anode a k b k 2 1 d dim min max min max inches millimeters a 8.43 8.69 0.332 0.342 b 5.94 6.25 0.234 0.246 d 1.27 1.35 0.050 0.053 e 25.15 25.65 0.990 1.010
mr2535l http://onsemi.com 8 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. mr2535l/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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