1 motorola power products division device data
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. . . designed for applications requiring a diode with reverse avalanche characteris- tics for use as reverse power transient suppressor. developed to suppress transients in the automotive system, this device operates in reverse mode as power zener diode and will protect expensive modules such as ignition, injection and autoblocking systems from overvoltage conditions. ? high power capability ? economical maximum ratings parameters symbol value unit dc blocking voltage v r 23 v peak repetitive reverse surge current (time constant = 10 ms, t c = 25 c) i rsm 62 a non repetitive peak surge current (halfwave, single phase, 50 hz) i fsm 400 a storage temperature tstg 40 to +150 c maximum operating junction temperature t j 40 to +150 c thermal characteristics parameters symbol value unit thermal resistance junction to case r jc 1.0 c/w electrical characteristics (t c = 25 c unless otherwise noted) characteristic symbol min max unit instantaneous forward voltage (i f = 100 a) (1) v f e 1.1 v reverse current (v r = 20 v) (1) i r e 5.0 a breakdown voltage (i z = 100 ma) (1) v (br) 24 32 v breakdown voltage (i z = 80 a, t c = 85 c, pw = 80 m s) v (br) e 40 v breakdown voltage temperature coefficient v (br)tc e 0.09 %/ c forward voltage temperature coefficient (i f = 10 ma) v ftc e 2.0* mv/ c mechanical characteristics finish all external surfaces are corrosion resistant polarity cathode to terminal weight 1.78 g* maximum temperature for soldering 260 c for 10 s using belt furnace 1. pulse test: pulse width < 300 s, duty cycle < 2%. * typical figure 1. load dump test circuit di/dt limitation 100 h MR2835s 2.0 ohms 50 mf 0 150 v designer's data for aworst caseo conditions e the designer's data sheet permits the design of most circuits entirely from the information presented. soa limit curves e representing boundaries on device characteristics e are given to facilitate aworst caseo design. order this document by MR2835s/d
semiconductor technical data
case 46002 overvoltage transient suppressor 24 v 32 v ? motorola, inc. 1997 rev 1
2 motorola power products division device data figure 2. load dump pulse current figure 3. maximum peak reverse current figure 4. maximum reverse energie figure 5. typical reverse current figure 6. typical forward voltage figure 7. maximum peak reverse power 0.4 0 time (second) 100 60 80 40 time constant (ms) 100 1000 1.0 10 100 1000 1.0 time constant (ms) 1000 100 10 1.0 v r , reverse voltage (v) 0 100 10 1.0 0.1 0.01 0.001 600 800 500 v f , instantaneous forward voltage (mv) 1000 100 10 1.0 time constant (ms) 10 10,000 100 700 % i w i r , reverse current ( a) 20 0 0.1 0.2 0.3 0.5 10 100 1000 10 10 20 30 , instantaneous forward current (a) i f 900 1100 1000 1.0 100 p t (37%) = time constant t (50%) = 0.7 t (37%) t (10%) = 2.3 t (37%) , peak reverse current (a) rsm , peak reverse energie (j) rsm t c = 25 c 1000 1000 , peak reverse power (w) rsm t c = 25 c t j = 25 c t j = 100 c t j = 150 c t j = 25 c t j = 100 c t j = 150 c t c = 25 c di/dt < 1.0 amp/ s t (50%) t (37%) t (10%)
3 motorola power products division device data figure 8. reverse power derating figure 9. typical reverse capacitance v r (v) 10 100 0.1 1.0 c 1.0 10 case temperature ( c) 50 125 2800 1000 800 400 200 25 75 100 600 peak reverse power (w) 1200 1400 1600 1800 2000 2200 2400 2600 150 (nf) t t j = 25 c time constant = 10 ms time constant = 100 ms ????????? ????????? ????????? ????????? ????????? ????????? ????????? ????????? b nl yyww MR2835s b nl yyww MR2835s b nl yyww MR2835s dim mm t 24 a 330 n 100 w1 24.4 w2 28.5 w3 25 cardboard carrier bar code tape cover tape 4 16 t label bar code label (stuck on the opposite side of the carrier holes) a w1 lokreel n w3 w2 dimensions: millimeter figure 10. reel packing of MR2835s e top can reel of 500 units
4 motorola power products division device data package dimensions case 46002 issue a k c h f l bd s a dim min max min max inches millimeters a 9.1 9.5 0.358 0.374 b 9.5 9.9 0.374 0.390 c 5.2 5.6 0.205 0.220 d 6.4 6.8 0.252 0.268 f 3.4 3.8 0.134 0.149 h 2.0 2.4 0.079 0.095 k 11.3 11.7 0.445 0.460 l 1.7 2.1 0.067 0.083 s 6.5 6.9 0.256 0.272 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. footprint 0.161 4.10 0.244 6.20 0.071 1.80 0.134 3.40 0.157 4.00 dimensions : inches mm tolerances 0.1 0.004 minimum circuit board footprint for topcan diode in case 46001 motorola reserves the right to make changes without further notice to any products herein. motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola 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 consequential or incidental damages. atypicalo parameters which may be provided in motorola 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. motorola does not convey any license under its patent rights nor the rights of others. motorola 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 motorola product could create a situation where personal injury or death may occur. should buyer purchase or use motorola products for any such unintended or unauthorized application, buyer shall indemnify and hold motorola 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 unauthorized use, even if such claim alleges that motorola was negligent regarding the design or manufacture of the part. motorola and are registered trademarks of motorola, inc. motorola, inc. is an equal opportunity/affirmative action employer. mfax is a trademark of motorola, inc. how to reach us: usa / europe / locations not listed : motorola literature distribution; japan : nippon motorola ltd.; tatsumispdjldc, 6f seibubutsuryucenter, p.o. box 5405, denver, colorado 80217. 3036752140 or 18004412447 3142 tatsumi kotoku, tokyo 135, japan. 81335218315 mfax ? : rmfax0@email.sps.mot.com touchtone 6 022446609 asia / pacific : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, us & canada only 18007741848 51 ting kok road, tai po, n.t., hong kong. 85226629298 internet : http://www.mot.com/sps/ MR2835s/d ?
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