1 rectifier device data
. . . employing the schottky barrier principle in a large area metaltosilicon power diode. stateoftheart geometry features epitaxial construction with oxide passivation and metal overlap contact. ideally suited for use as rectifiers in lowvoltage, highfrequency inverters, free wheeling diodes, and polarity protection diodes. ? extremely low v f ? low power loss/high efficiency ? highly stable oxide passivated junction ? low stored charge, majority carrier conduction 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: b340 maximum ratings rating symbol max unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 40 v average rectified forward current, t a = 65 c (r q ja = 28 c/w, p.c. board mounting, see note 3) i o 3.0 a nonrepetitive peak surge current (2) (surge applied at rated load conditions, half wave, single phase 60 hz, t l = 75 c) i fsm 80 a operating and storage junction temperature range (reverse voltage applied) t j , t stg 65 to 150 c c peak operating junction temperature (forward current applied) t j(pk) 150 c thermal characteristics characteristic symbol max unit thermal resistance, junction to ambient (see note 3, mounting method 3) r q ja 28 c/w electrical characteristics (t l = 25 c unless otherwise noted) (2) characteristic symbol max unit maximum instantaneous forward voltage (1) (i f = 1.0 amp) (i f = 3.0 amp) (i f = 9.4 amp) v f 0.500 0.600 0.850 v maximum instantaneous reverse current @ rated dc voltage (1) t l = 25 c t l = 100 c i r 0.60 20 ma (1) pulse test: pulse width = 300 m s, duty cycle = 2.0%. (2) lead temperature reference is cathode lead 1/32 from case. preferred devices are motorola recommended choices for future use and best overall value. ? motorola, inc. 1999 order this document by MBR340/d
semiconductor technical data
schottky barrier rectifier 3.0 amperes 40 volts case 26703 plastic motorola preferred device
2 rectifier device data v r reverse voltage (volts) i f (av) , average forward current (amps) 0 2.0 1.0 3.0 4.0 5.0 0.5 1.0 1.5 2.0 2.5 t j = 150 c 20 (capacitive load) p , average power dissipation (watts) f (av) 10 dc i pk i av 5.0 square wave 020 10 30 40 50 70 60 300 400 500 t j = 25 c c, capacitance (pf) 200 90 80 50 100 t a , ambient temperature (c ) 20 100 60 40 80 4.0 2.0 8.0 6.0 0 10 dc square wave 120 140 160 180 200 i , average forward current (amps) f (av) v r reverse voltage (volts) 020 10 30 40 40 0.001 100 0.002 0.004 0.01 0.04 0.02 0.1 0.4 0.2 20 10 4.0 2.0 1.0 25 c 75 c 100 c 10 10 100 1000 figure 1. typical forward voltage 100 resistive load v f, instantaneous voltage (volts) 0.2 0.1 0.3 0.4 0.5 5.0 0.01 0.03 0.02 0.07 0.2 0.1 20 10 3.0 2.0 1.0 0.7 0.6 0.8 0.9 0.3 0.05 0.5 0.7 150 c i , reverse current (ma) r 7.0 i , instantaneous forward current (amps) f figure 2. typical reverse current* figure 3. current derating (mounting method #3 per note 1) figure 4. power dissipation figure 5. typical capacitance 25 c 100 c t j = 150 c i pk i av *the curves shown are typical for the highest voltage device in the voltage grouping. typical reverse current for lower voltage selec- tions can be estimated from these same curves if v r is sufficiently below rated v r .
3 rectifier device data 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. 1 2 3 mounting method lead length, l (in) 1/8 1/4 1/2 3/4 r q ja 50 51 53 55 c/w c/w c/w 58 59 61 63 28 note 1 e mounting data mounting method 1 p.c. board where available copper surface is small. l l l mounting method 2 vector pushin terminals t28 l mounting method 3 p.c. board with 21/2 x 21/2 copper surface. l = 1/2'' board ground plane
4 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 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 : motorola japan ltd.; spd, strategic planning office, 141, p.o. box 5405, denver, colorado 80217. 13036752140 or 18004412447 4321 nishigotanda, shinagawaku, tokyo, japan. 81354878488 customer focus center: 18005216274 mfax ? : rmfax0@email.sps.mot.com touchtone 1 6022446609 asia / pacific : motorola semiconductors h.k. ltd.; silicon harbour centre, motorola fax back system us & canada only 18007741848 2, dai king street, tai po industrial estate, tai po, n.t., hong kong. http://sps.motorola.com/mfax/ 85226668334 home page : http://motorola.com/sps/ MBR340/d ?
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