features l for surface mount application (flat handing surface for accurate placement) l 11 thru 39 volt voltage range l high surge current rating l higher voltages available l available on tape and reel mechanical data l case: jedec do - 214ac molded plastic body over passivated chip l terminals solderable per mil - std - 750, method 2026 l polarity is indicated by cathode band. l maximum temperature for soldering: 260 o c for 10 seconds. l for surface mount applications with flame retardent epoxy meeting ul94v - 0 maximum ratings @ 25 o c unless otherwise specified peak surge cur rent i s see table 1 maximum forward voltage v f 1.2v (note: 1) steady state power dissipation p (av) 1.0w (note: 2,3) operation and storage temperature t j , t stg - 55 o c to +150 o c * notes: 1. forward current @ 200ma. 2. mounted on 4.0mm 2 copper pads to each terminal. 3. lead temperature at 100 o c or less. derate linearly above 100 o c t o zero power at 150 o c. smaj4741 thru smaj4754 silicon 1 watt zener diodes do-214ac (smaj) (high profile) h j e f g a b d c cat hode b and dimensions inches mm dim min max min max note a .078 .116 1.98 2.95 b .067 .089 1.70 2.25 c .002 .008 .05 .20 d --- .02 --- .51 e .035 .055 .89 1.40 f .065 .09 6 1.65 2. 45 g .205 .224 5.21 5.69 h .160 .180 4.06 4.57 j .100 .112 2.57 2.84 0.070? 0.090? 0.085? suggested solder pad layout ww w . mccsemi .com
omp onents 20736 marilla street chatsworth ! " # $
% ! " # mcc revision: 4 2004/11/24
electrical characteristics @ 25 o c unless otherwise specified zener voltage vz test current izt maximum dynamic impedance zzt @ izt maximum reverse current ir @ vr test voltage vr maximum regulator current izm ta=50 o c maximum knee impedance zzk @ izk test current izk maximum surge current is mcc part number volts ma ohms ua volts ma ohms ma ma smaj4741 11 23 8 5 8.4 83 700 0.25 414 smaj4742 12 21 9 5 9.1 76 700 0.25 380 smaj4743 13 19 10 5 9.9 69 700 0.25 344 smaj4744 15 17 14 5 11.4 61 700 0.25 304 smaj4745 16 15.5 16 5 12.2 57 700 0.25 285 smaj4746 18 14 20 5 13.7 50 750 0.25 250 smaj4747 20 12.5 22 5 15.2 45 750 0.25 225 smaj4748 22 11.5 23 5 16.7 41 750 0.25 205 smaj4749 24 10.5 25 5 18.2 38 750 0.25 190 smaj4750 27 9.5 35 5 20.6 34 750 0.25 170 smaj4751 30 8.5 40 5 22.8 30 1000 0.25 150 smaj4752 33 7.5 45 5 25.1 27 1000 0.25 135 smaj4753 36 7.0 50 5 27.4 25 1000 0.25 125 smaj4754 39 6.5 60 5 29.7 23 1000 0.25 115 note 1 the jedec type numbers shown have a 5% tolerance on nominal zener voltage. no suffix signifies a 10% tolerance, c signifies 2%, and d signifies 1% tolerance. note 2 the zener impedance is derived from the 60hz ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current (izt or izk) is superimposed on izt or izk. zener impedance is measured at two points to insure a sharp knee on the breakdown curve and eliminate unstable units. note 3 the reverse surge current is measured at 25 o c ambient using a 1/2 square wave or equivalent sine wave pulse 1/120 second duration superimposed on izt note 4 voltage measurements to be performed 90 seconds after application of dc current. ww w . mccsemi .com revision: 4 2004/11/24 smaj4741 thru smaj4754 mcc
smaj4741 thru smaj4754 smaj4741... smaj4754 ratings and characteristic cu r ve s (t a = 25c unless otherwise noted) mcc ww w . mccsemi .com revision: 4 2004/11/24
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