20 stern ave. springfield, new jersey 07081 usa telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 axial lead rectifiers . . . employing the schottky barrier principle in a large area metal-to- silicon power diode. state-of-the-art geometry features epitaxial consr"jction with oxide passivation and metal overlap contact. ideally suited for use as rectifiers in low-voltage, high-frequency inverters, free wheeling diodes, and polarity protection diodes. ? extremely low vf ? low stored charge, majority carrier conduction ? low power loss/high efficiency ?maximum ratings riling peak repetitive reverse voltage working peak reverse voltage dc blocking voltage non-repetitive peak reverse voltage rms reverse voltage average rectified forward current (2) ivr(equ,vl<0.2vr(dc>. tl ?= 90c, r9ja ? 80c/w, p.c. board mounting, see note 2. ta * 55c) ambient temperature (rated vr(dc), pplavi " 0. r9ja-80c/wi non-repetitive peak surge current (surge applied at rated load conditions, half-wave, single phase 60 hz, tl ? ?0c> operating and storage junction temperature range (reverse voltage applied) peak operating junction tempereture (forward current applied) symbol vrrm vrwm vrsm vrirmsi 'fsm tj(pkl 10 14 .ft si 30 36 ? 90 85 80 . 25 (for one cycle) ? c c ?thermal characteristics inote 21 characteristic thermal resistance, junction to ambient symbol rsja max 80 unit c/w ?electrical characteristics (tl - 25c unless otherwise noted! (21 charicterntic maximum instantaneous forward forward voltage (1) lip -0.1 a) lip ? loal"^- lip -3.0 a) maximum instantaneous reverse current @ rated dc voltage (1) (tl - 25ci (tl-100c) symbol vf 'r p* % ^ 0.320 0.450 0.750 1.0 10 oo "~ 0.330 0.950 0.875 1.0 10 o> m *" 0.340 , 0.600. 0.900-' 1.0 10 iii eec oarno sss 0.350 0.550 0.850 1.0 10 i s 0.350 0.600 0.900 1.0 10 unit v ma (1) pulse twt: pulse width - 300 lit. duty cycle - 2.0?. (2) lead tomperature reference it cathode lead 1 /32" from case. ?indicates jedec registered data for 1ns817-19. 1n5817 mbr115p 1n5818 mbr120p 1n5819 MBR130P mbr140p schottky barrier rectifiers 1 ampere 15, 20, 30, 40 volts dim a b u k millir min 5.97 im 0.76 27.94 ieters max 660 3.05 o.b6 - inches min 0.235 0.110 0.030 1 100 max 0.260 0.120 0.034 - mechanical characteristics case transfer molded plastic finish all external surfaces corrosion-resistant and the terminal leads are readily solderable polarity cathode indicated by polarity band. mounting positions any soldering ,220c 1/16" from case for ?n seconds nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished b> n.i semi-conductors is believed to be both accurate and reliable at the time of going to press. however. nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. n.i semi-conductors encourages customers to verify that datasheets are current before placing orders.
1n5817, 1n5818, 1n5819, mbr115p, mbr120p, MBR130P, mbr140p note 1 - determining maximum ratings reverie power dissipation end the ponibility of thermal runaway mun be considered when operating this rectifier *t reverse voltages above 0.1 vrwm- proper derating may be accom- plished by uie of equation (1). ta(max) ? tjlmaxl ~ rfljafplavi - rejapr(av) i1' where talmax) " maximum allowable ambient temperature tj(max) * maximum allowable junction temperature (12sc or the temperature at which thermal runaway occurs, whichever is lowest) pfiav) ' average forward power dissipation pr (a vi ? average reverse power dissipation rjja ? junction-to-ambient thermal resistance figures 1, 2. and 3 permit easier use of equation (1) by taking reverse power dissipation and thermal runaway into consideration. the figures solve for a reference temperature as determined by equation (2). tr-tj(max)-r9japr(av) (2) substituting equation (2) into equation (1} yields: ta(max) " tr - r(?japf(av) '31 inspection of equations (2) and (3) reveals that tr is the ambient temperature at which thermal runaway occurs or where tj - 125c, when forward power is zero. the transition from one boundary condition to the other is evident on the curves of figures 1, 2. and 3 as a difference in the rate of change of the slope in the vicinity of 115c. the data of figures 1, 2, and 3 is basad upon dc conditions. for use in common rectifier circuits, table 1 indicates suggested factors for an equivalent dc voltage to use for conservative design, that is: vr(equiv)-vin(pk) * f (41 the factor p is derived by considering the properties of the various rectifier circuits and the reverse characteristics of schottky diodes. example: find ta(max) for 1n5818 operated in a 12-volt dc supply using a bridge circuit with capacitive filter such that idc " 0-4 a (ifiav) ? -5 a), iifmi/iiavi " 1". input voltage ?10v|rml),r,,ja-800c/w. step 1. find vp|(,quiv| read f ? 0.65 from table 1. ?'?vriaquj,)-(1.41)1101 (0.65) -9.2v. step 2. find tfj from figure 2. read tr - 109c <5> vr ? 9.2 v and r8ja ? 80c/w. step 3. find pp(ay| from figure 4. ""read pp(av) -0.5w ?>{j~jj-10andlf|avi-0.5a. step 4. find ta(max) from equation (31. ta(max) " 109 - (80h0.5i - 69c. ""values given are for the 1n5818. power is slightly lower for the 1n5817 because of its lower forward voltage, and higher for the 1n5819. variations will be similar for the mbr-prefix devices, using pp(av) from figure 7. table 1 - values for factor f circuit load sine wave square wave half wave resistive o.s 0.75 capacilivt* 1.3 1.s full wave, bridge resistive 0.5 0.75 capacitive 0.65 0.75 full wave, center tapped* t resistive 1,0 1.5 capacitive 1.3 1.5 ?note that vr(pk) ? 2.0 vjn(pk). tus? line to center tap voltage for v|n. figure 1 - maximum reference temperature figure 2 - maximum reference temperature 1n5817/mbr11ep/mbr120p 1n5818/MBR130P 125 3.0 m 5.0 7.0 w vr, dc reverse voltaoe (volts) figure 3 - maximum reference temmratur, 1n5819/mbr140f 75 4.0 6.0 7,0 10 16 20 30 vr, dc reverse voltage (volts) figure 4 - steadv-state thermal resistance 4.0 s.o 7.0 10 16 20 vr, dc reverse voltage (volts) 90 10 70 80 50 40 30 w u ?"^. -ioth ^ ^ leads t equal 1 max ^ ^ dheat engtm mum s*"^ ^f ***~ ink ^ ?^"ty ^ ^ ?ical ^ _^ *^ ^ ^ * i/i 1/4 3/1 i/j i/i 3/4 7/1 1. l, lead lek9tm (inched
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