dl746 thru dl759 0.5w silicon planar zener diodes features ? zener voltage 3.3v to 12v ? silicon planar power zener diodes ? standards zener voltage tolerance is 10% , add suffix a for 5% tolerance, ot her tolerances are available upon request maximum ratings symbol value units zener current see table 1 power dissipation @t a = 50 o c p tot 500 mw junction temperature t j 200 o c storage temperature range t stg -65 to 200 o c electrical characteristics @ 25 c unless otherwise specified symbol maximum unit thermal resistance 300 o c/w forward voltage @i f =200ma v f 1.5 v note: 1) valid provided that a distance of 8mm from case are kept at ambient temperature 2) power derating: 4.0mw/ o c above 50 o c mechanical data ? case: minimelf package ? polarity: color band denotes cathode end ? weight: approx. 0. 05 gram r ja
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mcc revision: 1 2006/08/28 tm micro commercial components low reverse leakage current x www. mccsemi .com 1 of 3 mini melf a b c cathode mark dimensions inches mm dim min max min max note a .134 .142 3.40 3.60 b .008 .016 .20 .40 c .055 .059 1.40 1.50 ? 0.030 0.105 0.075 suggested solder pad layout
normal zener voltage vz@ izt test current izt maximum zener impedance zzt @ izt maximum reverse leakage current ir @ vr=1v maximum zener current i zm typical temp. coefficient mcc part number volts ma ohms ua @25 o c ua @125 o cma %/ o c dl 746 3.3 20 28 10 30 110 -.066 dl 747 3.6 20 24 10 30 100 -.058 dl 748 3.9 20 23 10 30 95 -.046 dl 749 4.3 20 22 2 30 85 -.033 dl 750 4.7 20 19 2 30 75 -.015 dl 751 5.1 20 17 1 20 70 .010 dl 752 5.6 20 11 1 20 65 +.030 dl 753 6.2 20 7.0 0.1 20 60 +.049 dl 754 6.8 20 5.0 0.1 20 55 +.053 dl 755 7.5 20 6.0 0.1 20 50 +.057 dl 756 8.2 20 8.0 0.1 20 45 +.060 dl 757 9.1 20 10 0.1 20 40 +.061 dl 758 10 20 17 0.1 20 35 +.062 dl 759 12 20 30 0.1 20 30 +.062 note: 1) tested with pulses t p = 20ms 2) valid provided that leads are kept at ambient temperature at a distance of 8mm from case. 3) zener impedance derived by superimposing on i zt , a 60 cps, rms ac current equal to 10% i zt (2 ma ac) 4) allowance has been made for the increase in v z due to z z and for the increase in junction temperature as the unit approaches thermal equilibrium at the power dissipation of 400mw. mcc dl 746 thru dl 759 revision: 1 2006/08/28 tm micro commercial components www. mccsemi .com 2 of 3
mcc revision: 1 2006/08/28 tm micro commercial components www. mccsemi .com 3 of 3 products are represented on our website, harmless against all damages. ***applications disclaimer*** ***important notice*** aerospace or military applications. products offer by micro commercial components corp . are not intended for use in medical, micro commercial components corp . reserve s the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . micro commercial components corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . the user of products in such applications shall assume all risks of such use and will agree to hold micro commercial components corp . and all the companies whose
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