6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (978) 689-0803 website: http://www.microsemi.com 47 50 a, low operating current, zener diodes double plug construction metallurgically bonded 1n4678 thru 1n4717 cdi nominal zener maximum maximum reverse maximum type zener test voltage leakage dc zener number voltage current regulation current current v z l zt 3v z l r @ v r l zm (note 1) (note 2) volts a volts a volts ma 1n4678 1.8 50 0.70 7.5 1.0 120.0 1n4679 2.0 50 0.70 5.0 1.0 110.0 1n4680 2.2 50 0.75 4.0 1.0 100.0 1n4681 2.4 50 0.80 2.0 1.0 95.0 1n4682 2.7 50 0.85 1.0 1.0 90.0 1n4683 3.0 50 0.90 0.8 1.0 85.0 1n4684 3.3 50 0.95 7.5 1.5 80.0 1n4685 3.6 50 0.95 7.5 2.0 75.0 1n4686 3.9 50 0.97 5.0 2.0 70.0 1n4687 4.3 50 0.99 4.0 2.0 65.0 1n4688 4.7 50 0.99 10.0 3.0 60.0 1n4689 5.1 50 0.97 10.0 3.0 55.0 1n4690 5.6 50 0.96 10.0 4.0 50.0 1n4691 6.2 50 0.95 10.0 5.0 45.0 1n4692 6.8 50 0.90 10.0 5.1 35.0 1n4693 7.5 50 0.75 10.0 5.7 31.8 1n4694 8.2 50 0.50 1.0 6.2 29.0 1n4695 8.7 50 0.10 1.0 6.6 27.4 1n4696 9.1 50 0.08 1.0 6.9 26.2 1n4697 10.0 50 0.10 1.0 7.6 24.8 1n4698 11.0 50 0.11 0.05 8.4 21.6 1n4699 12.0 50 0.12 0.05 9.1 20.4 1n4700 13.0 50 0.13 0.05 9.8 19.0 1n4701 14.0 50 0.14 0.05 10.6 17.5 1n4702 15.0 50 0.15 0.05 11.4 16.3 1n4703 16.0 50 0.16 0.05 12.1 15.4 1n4704 17.0 50 0.17 0.05 12.9 14.5 1n4705 18.0 50 0.18 0.05 13.6 13.2 1n4706 19.0 50 0.19 0.05 14.4 12.5 1n4707 20.0 50 0.20 0.01 15.2 11.9 1n4708 22.0 50 0.22 0.01 16.7 10.8 1n4709 24.0 50 0.24 0.01 18.2 9.9 1n4710 25.0 50 0.25 0.01 19.0 9.5 1n4711 27.0 50 0.27 0.01 20.4 8.8 1n4712 28.0 50 0.28 0.01 21.2 8.5 1n4713 30.0 50 0.30 0.01 22.8 7.9 1n4714 33.0 50 0.33 0.01 25.0 7.2 1n4715 36.0 50 0.36 0.01 27.3 6.6 1n4716 39.0 50 0.39 0.01 29.6 6.1 1n4717 43.0 50 0.43 0.01 32.6 5.5 note 1 the jedec type numbers shown above have a standard tolerence of + 5% of the nominal zener volume. v z is measured with the diode in thermal equilibrium at 25c + 3c. note 2 vz @ 100 a minus vz @ 10 a . maximum ratingsoperating temperature: -65c to +175c storage temperature: -65c to +175c power dissipation: 500mw @ +50c dc power derating: 4 mw / c above +50c forward voltage: 1.1 volts maximum @ 200 ma electrical characteristics @ 25c, unless otherwise speci?ed. design datacase: hermetically sealed glass case. do C 35 outline. lead material: copper clad steel. lead finish: tin / lead thermal resistance: ( r o jec ): 250 c/w maximum at l = .375 inch thermal impedance: ( z o jx ): 35 c/w maximum polarity: diode to be operated with the banded (cathode) end positive.mounting position: any. figure 1 downloaded from: http:///
48 1n4678 thru 1n4717 0 25 50 75 100 125 150 175 t l , lead temperature (c) 3/8 from body power derating curve 500400 300 200 100 0 pd, rated powerdissipation (mw) figure 2 .1 .2 .3 .4 .5 1 2 5 10 20 30 40 50 100 operating current l zt (ma) figure 3 zener impedance vs. operating current 1000 500400 300 200 100 5040 30 20 10 54 3 2 1 zener impedance z zt (ohms) 3.3 volt 5.1 volt 27 volt 11 volt 6.2 volt downloaded from: http:///
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