6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (978) 689-0803 website: http://www.microsemi.com 93 maximum ratings operating temperature: -65c to +175c storage temperature: -65c to +175c dc power dissipation: 500 mw @ t ec = +125c power derating: 10 mw / c above t ec = +125c forward voltage @ 200ma: 1.1 volts maximum ? 1n746aur-1 thru 1n759aur-1 available in jan, jantx and jantxv per mil-prf-19500/127 ? 1n4370aur-1 thru 1n4372aur-1 available in jan, jantx and jantxv per mil-prf-19500/127 ? leadless package for surface mount ? metallurgically bonded electrical characteristics @ 25c cdi nominal zener maximum maximum maximum type zener test zener reverse current zener number voltage current impedance current (note 3) (note 1) v z @ 1 zt 1 zt z zt @ 1 zt i r @ v r 1 zm (note 2) volts ma ohms a volts ma cdll4370a 2.4 20 30 100 1.0 155 cdll4371a 2.7 20 30 60 1.0 140 cdll4372a 3.0 20 29 30 1.0 125 cdll746a 3.3 20 28 5 1.0 120 cdll747a 3.6 20 24 3 1.0 110 cdll748a 3.9 20 23 2 1.0 100 cdll749a 4.3 20 22 2 1.0 90 cdll750a 4.7 20 19 5 1.5 85 cdll751a 5.1 20 17 5 2.0 75 cdll752a 5.6 20 11 5 2.5 70 cdll753a 6.2 20 7 5 3.5 65 cdll754a 6.8 20 5 2 4.0 60 cdll755a 7.5 20 6 2 5.0 55 CDLL756a 8.2 20 8 1 6.0 50 cdll757a 9.1 20 10 1 7.0 45 cdll758a 10.0 20 17 1 8.0 40 cdll759a 12.0 20 30 1 9.0 35 note 1 zener voltage tolerance on "a" suffix is + 5%. no suffix denotes + 10% tolerance. "c" suffix denotes + 2% tolerance and "d" suffix denotes + 1% tolerance. note 2 zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25c, + 3c. note 3 zener impedance is derived by superimposing on 1 zt a 60hz rms a.c. current equal to 10% of 1 zt . figure 1 design data case: do-213aa , hermetically sealed glass case. (melf, sod-80, ll34) lead finish: tin / lead thermal resistance: ( r o jec ): 100 c/w maximum at l = 0 inch thermal impedance: ( z o jx ): 25 c/w maximum polarity: diode to be operated with the banded (cathode) end positive. mounting position: any. mounting surface selection: the axial coefficient of expansion (coe) of this device is approximately +6ppm/c. the coe of the mounting surface system should be selected to provide a suitable match with this device. millimeters inches dim min max min max d 1.60 1.70 0.063 0.067 f 0.41 0.55 0.016 0.022 g 3.30 3.70 .130 .146 g1 2.54 ref. .100 ref. s 0.03 min. .001 min. 1n746aur-1 thru 1n759aur-1 and 1n4370aur-1 thru 1n4372aur-1 and cdll746 thru cdll759a and cdll4370 thru cdll4372a
94 cdll746 thru cdll759a and cdll4370 thru cdll4372a 1 00 50 20 10 5 2 1 4 6 10 20 40 60 100 figure 3 operating current (ma) zener impedance vs. operating current 0 25 50 75 100 125 150 175 t ec , end cap temperature (c) power derating curve 500 400 300 200 100 0 pd, rated power dissipation (mw) figure 2 zener impedance z zt (ohms)
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