1 rectifier device data
? . . . designed for use in switching power supplies, inverters and as free wheeling diodes, these stateoftheart devices have the following features: ? ultrafast 25, 50 and 75 nanosecond recovery times ? 175 c operating junction temperature ? low forward voltage ? low leakage current ? high temperature glass passivated junction ? reverse voltage to 600 volts mechanical characteristics: ? case: epoxy, molded ? weight: 1.1 gram (approximately) ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? lead and mounting surface temperature for soldering purposes: 220 c max. for 10 seconds, 1/16 from case ? shipped in plastic bags, 5,000 per bag ? available tape and reeled, 1500 per reel, by adding a arl'' suffix to the part number ? polarity: cathode indicated by polarity band ? marking: u420, u460 maximum ratings ri sbl mur ui rating symbol 420 460 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 200 600 volts average rectified forward current (square wave) (mounting method #3 per note 1) i f(av) 4.0 @ t a = 80 c 4.0 @ t a = 40 c amps nonrepetitive peak surge current (surge applied at rated load conditions, half wave, single phase, 60 hz) i fsm 125 70 amps operating junction temperature and storage temperature t j , t stg 65 to +175 c thermal characteristics maximum thermal resistance, junction to ambient r q ja see note 1 c/w electrical characteristics maximum instantaneous forward voltage (1) (i f = 3.0 amps, t j = 150 c) (i f = 3.0 amps, t j = 25 c) (i f = 4.0 amps, t j = 25 c) v f 0.710 0.875 0.890 1.05 1.25 1.28 volts maximum instantaneous reverse current (1) (rated dc voltage, t j = 150 c) (rated dc voltage, t j = 25 c) i r 150 5.0 250 10 m a maximum reverse recovery time (i f = 1.0 amp, di/dt = 50 amp/ m s) (i f = 0.5 amp, i r = 1.0 amp, i rec = 0.25 amp) t rr 35 25 75 50 ns maximum forward recovery time (i f = 1.0 a, di/dt = 100 a/ m s, recovery to 1.0 v) t fr 25 50 ns (1) pulse test: pulse width = 300 m s, duty cycle 2.0%. switchmode is a trademark of motorola, inc. preferred devices are motorola recommended choices for future use and best overall value. ? motorola, inc. 1996 order this document by mur420/d
semiconductor technical data
ultrafast rectifiers 4.0 amperes 200600 volts case 26703 plastic mur420 and MUR460 are motorola preferred devices rev 3
2 rectifier device data mur420 figure 1. typical forward voltage v f, instantaneous voltage (volts) 0.3 0.6 0.4 0.8 30 0.1 0.3 0.2 2.0 1.0 100 20 7.0 3.0 0.5 5.0 50 , instantaneous forward current (amps) f v r , reverse voltage (volts) 060 40 100 120 40 80 0.008 0.004 0.002 0.8 0.4 0.2 20 4.0 2.0 8.0 t j = 175 c i r 20 80 200 figure 2. typical reverse current t a , ambient temperature ( c) 050 0 4.0 2.0 6.0 10 8.0 i 200 figure 3. current derating (mounting method #3 per note 1) figure 4. power dissipation 0 2.0 1.0 2.0 3.0 4.0 0 4.0 6.0 8.0 i f(av) , average forward current (amps) p f(av) figure 5. typical capacitance 0.7 10 70 1.0 1.1 1.2 100 c t j = 175 c 25 c 160 180 140 0.08 0.04 0.02 , reverse current ( a) 100 c 25 c 100 150 , average power dissipation (watts) dc squarewave i 1.0 3.0 5.0 7.0 5.0 6.0 7.0 8.0 , average forward current (amps) f(av) square wave dc 0.2 rated v r r ja = 28 c/w 0.5 0.7 0.9 250 200 20 30 40 10 v r , reverse voltage (volts) c, capacitance (pf) 50 60 70 80 90 100 20 30 50 40 0 t j = 25 c 9.0 10 5.0 10 i pk i av (capacitive load) =20
3 rectifier device data MUR460 figure 6. typical forward voltage v f, instantaneous voltage (volts) 0.5 1.1 0.7 1.5 0.03 0.1 0.3 0.2 2.0 1.0 0.02 20 7.0 3.0 0.5 5.0 0.05 , instantaneous forward current (amps) f v r , reverse voltage (volts) 0 200 100 400 40 80 0.008 0.004 200 0.8 0.4 0.2 20 4.0 2.0 8.0 t j = 175 c i r 300 700 figure 7. typical reverse current t a , ambient temperature ( c) 050 0 4.0 2.0 6.0 10 8.0 i 200 figure 8. current derating (mounting method #3 per note 1) figure 9. power dissipation 0 2.0 2.0 4.0 6.0 8.0 0 4.0 6.0 8.0 i f(av) , average forward current (amps) p f(av) figure 10. typical capacitance 0.7 10 0.07 1.9 2.1 2.3 100 c t j = 175 c 25 c 600 500 0.08 0.04 0.02 , reverse current ( a) 100 c 25 c 100 150 , average power dissipation (watts) i pk i av dc squarewave i 1.0 3.0 5.0 7.0 10 12 14 , average forward current (amps) f(av) square wave dc 0.3 rated v r r ja = 28 c/w 0.9 1.3 1.7 250 40 20 30 4.0 10 v r , reverse voltage (volts) c, capacitance (pf) 5.0 6.0 7.0 8.0 9.0 10 20 30 50 40 0 t j = 25 c 400 9.0 10 5.0 10 (capacitive load) =20
4 rectifier device data lead length, l (in) mounting method 1/8 1/4 1/2 units 1 2 3 50 58 r q ja 51 53 59 61 28 c/w c/w c/w typical values for r q ja in still air data shown for thermal resistance junctiontoambient (r q ja ) for the mountings shown is to be used as typical guideline values for preliminary engineering or in case the tie point temperature cannot be measured. note 1 e ambient mounting data mounting method 1 mounting method 2 mounting method 3 3/4 55 63 l l p.c. board where available copper surface area is small. l l vector pushin terminals t28 l = 1/2 board ground plane p.c. board with 11/2 x 11/2 copper surface
5 rectifier device data package dimensions notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. style 1: pin 1. cathode 2. anode 1 2 k a k d b dim min max min max millimeters inches a 0.370 0.380 9.40 9.65 b 0.190 0.210 4.83 5.33 d 0.048 0.052 1.22 1.32 k 1.000 25.40 case 26703 issue c
6 rectifier device data 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.: spd, strategic planning office, 4321, p.o. box 5405, denver, colorado 80217. 13036752140 or 18004412447 nishigotanda, shinagawaku, tokyo 141, japan. 81354878488 customer focus center: 18005216274 mfax ? : rmfax0@email.sps.mot.com touchtone 1 6022446609 asia / pacific : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, motorola fax back system us & canada only 18007741848 51 ting kok road, tai po, n.t., hong kong. 85226629298 http://sps.motorola.com/mfax/ home page : http://motorola.com/sps/ mur420/d ?
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