? semiconductor components industries, llc, 2003 february, 2003 - rev. 3 1 publication order number: MURD320/d MURD320 preferred device switchmode ? power rectifier dpak surface mount package . . . designed for use in switching power supplies, inverters and as free wheeling diodes, these state- of- the- art devices have the following features: ? ultrafast 35 nanosecond recovery time ? low forward voltage drop ? low leakage mechanical characteristics: ? case: epoxy, molded ? weight: 0.4 gram (approximately) ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? lead and mounting surface temperature for soldering purposes: 260 c max. for 10 seconds ? shipped 75 units per plastic tube ? available in 16 mm tape and reel, 2500 units per reel, by adding a t4'' suffix to the part number ? marking: u320 maximum ratings rating symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 200 v average rectified forward current (rated v r , t c = 158 c) i f(av) 3.0 a peak repetitive forward current (rated v r , square wave, 20 khz, t c = 158 c) i frm 6.0 a non-repetitive peak surge current (surge applied at rated load conditions halfwave, 60 hz) i fsm 75 a operating junction and storage temperature range t j , t stg -65 to +175 c device package shipping ordering information dpak case 369c plastic ultrafast rectifier 3.0 amperes 200 volts preferred devices are recommended choices for future use and best overall value. MURD320t4 dpak 2500/tape & reel 4 1 3 marking diagram http://onsemi.com 1 2 3 4 u320 = device code y = year ww = work week yww u320
MURD320 http://onsemi.com 2 thermal characteristics rating symbol value unit thermal resistance, junction to case junction to ambient (note 1) r q jc r q ja 6 80 c/w electrical characteristics maximum instantaneous forward voltage drop (note 2) (i f = 3 amps, t j = 25 c) (i f = 3 amps, t j = 125 c) v f 0.95 0.75 volts maximum instantaneous reverse current (note 2) (t j = 25 c, rated dc voltage) (t j = 125 c, rated dc voltage) i r 5 500 m a maximum reverse recovery time (i f = 1 amp, di/dt = 50 amps/ m s, v r = 30 v, t j = 25 c) (i f = 0.5 amp, i r = 1 amp, i rec = 0.25 a, v r = 30 v, t j = 25 c) t rr 35 25 ns 1. rating applies when surface mounted on the minimum pad sizes recommended. 2. pulse test: pulse width = 300 m s, duty cycle 2.0%. figure 1. typical forward voltage v f, instantaneous voltage (volts) 0 0.6 0.2 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 1.4 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* i f(av) , average forward current (amps) 0 3.0 2.0 0 2.0 1.0 3.0 5.0 4.0 14 7.0 6.0 p 1.0 10 figure 3. average power dissipation 0.4 0.7 10 70 1.0 1.2 100 c t j = 25 c 175 c 160 180 140 0.08 0.04 0.02 , reverse current ( a) 100 c 25 c 6.0 5.0 4.0 9.0 8.0 7.0 9.0 8.0 * the curves shown are typical for the highest voltage device in the voltage grouping. typical reverse current for lower voltage selections can be estimated from these curves if v r is sufficiently below rated v r . i 150 c 11 10 13 12 , average power dissipation (watts) f(av) t j = 175 c i pk /i av = 20 sine wave square wave dc 10 5.0 150 c
MURD320 http://onsemi.com 3 t c , case temperature ( c) 100 1.0 2.0 3.0 4.0 5.0 i f(av) 0 6.0 7.0 8.0 110 120 130 140 150 160 170 180 figure 4. current derating, case 020 1.0 1.5 2.5 3.5 4.0 0 40 60 80 100 t a , ambient temperature ( c) i f(av) figure 5. current derating, ambient rated voltage applied r jc = 6 c/w , average forward current (amps) sine wave or square wave dc , average forward current (amps) t j = 175 c 120 140 160 180 200 0.5 2.0 3.0 sine wave or square wave surface mounted on min. pad size recommended rated voltage applied r ja = 80 c/w dc t j = 175 c v r , reverse voltage (volts) 010 3040 300 500 10 100 50 200 20 100 figure 6. typical capacitance 60 50 30 20 c, capacitance (pf) t j = 25 c 1000 70 80 90
MURD320 http://onsemi.com 4 package dimensions dpak (single gauge) case 369c issue o d a k b r v s f l g 2 pl m 0.13 (0.005) t e c u j h -t- seating plane z dim min max min max millimeters inches a 0.235 0.245 5.97 6.22 b 0.250 0.265 6.35 6.73 c 0.086 0.094 2.19 2.38 d 0.027 0.035 0.69 0.88 e 0.018 0.023 0.46 0.58 f 0.037 0.045 0.94 1.14 g 0.180 bsc 4.58 bsc h 0.034 0.040 0.87 1.01 j 0.018 0.023 0.46 0.58 k 0.102 0.114 2.60 2.89 l 0.090 bsc 2.29 bsc r 0.180 0.215 4.57 5.45 s 0.025 0.040 0.63 1.01 u 0.020 --- 0.51 --- v 0.035 0.050 0.89 1.27 z 0.155 --- 3.93 --- notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 123 4 5.80 0.228 2.58 0.101 1.6 0.063 6.20 0.244 3.0 0.118 6.172 0.243 mm inches scale 3:1 recommended footprint 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 any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. typicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including typicalso 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 indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 2-9-1 kamimeguro, meguro-ku, tokyo, japan 153-0051 phone : 81-3-5773-3850 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. MURD320/d switchmode is a trademark of semiconductor components industries, llc. 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 : onlit@hibbertco.com n. american technical support : 800-282-9855 toll free usa/canada
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