technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com zener ? temperature compensated zener reference diodes ? leadless package for surface mount ? 9.0 volt nominal zener voltage ? metallurgically bonded, double plug construction qualified per mil-prf-19500/156 lds-0158 rev. 1 (100346) page 1 of 3 devices levels 1n935bur-1 thru 1n938bur-1 jan cdll935 thru cdll938b jantx jantxv jans maximum rating at 25c operating temperature: -65c to +175c storage temperature: -65c to +175c dc power dissipation: 500mw @ +50c power derating: 4mw / c above +50c reverse leakage current i r = 10 a @ 25c & v r = 6vdc electrical characteristics (t a = 25c, unless otherwise specified) mil-prf- 19500/156 msc type number zener voltage v z @ i zt zener test current i zt maximum zener impedace (note 1) z zt voltage temperature stability 3 v zt maximum (note 2) temperature range effective temperature coefficient volts ma ohms mv c % / c 1n935bur-1 cdll935 cdll935a cdll935b 8.55 ? 9.45 8.55 ? 9.45 8.55 ? 9.45 7.5 7.5 7.5 20 20 20 67 139 184 0 to + 75 -55 to +100 -55 to +150 0.01 0.01 0.01 1n936bur-1 cdll936 cdll936a cdll936b 8.55 ? 9.45 8.55 ? 9.45 8.55 ? 9.45 7.5 7.5 7.5 20 20 20 34 70 92 0 to + 75 -55 to +100 -55 to +150 0.005 0.005 0.005 1n937bur-1 cdll937 cdll937a cdll937b 8.55 ? 9.45 8.55 ? 9.45 8.55 ? 9.45 7.5 7.5 7.5 20 20 20 13 28 37 0 to + 75 -55 to +100 -55 to +150 0.002 0.002 0.002 1n938bur-1 cdll938 cdll938a cdll938b 8.55 ? 9.45 8.55 ? 9.45 8.55 ? 9.45 7.5 7.5 7.5 20 20 20 6.7 13.9 19 0 to + 75 -55 to +100 -55 to +150 0.001 0.001 0.001 note 1: zener impedance is derived by superimposing on i zt a 60hz rms a.c. current equal to 10% of i zt note 2: the maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mv at any discrete te mperature between the established limits, per jedec standard no. 5. do-213aa
technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com lds-0158 rev. 1 (100346) page 2 of 3 graphs figure 1 t l , ambient temperature (c) power derating curve figure 2 zener impedance vs. operating current figure 3 typical change of tempe rature coefficient with change in operating current
technical data sheet 6 lake street, lawrence, ma 01841 gort road business park, ennis, co. clare, ireland 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: http: //www.microsemi.com lds-0158 rev. 1 (100346) page 3 of 3 package dimensions note: dimensions 1. dimensions are in inches. symbol inches millimeters notes 2. millimeters are given for general information only. min max min max 3. in accordance with asme y14.5m, diameters are equivalent to x bd .063 .067 1.60 1.70 symbology. ect .016 .022 0.41 0.56 bl .130 .146 3.30 3.70 s .001 min 0.03 min figure 1. physical dimensions 1n935bur-1, 1n937bur-1 through 1n940bur-1 (do-213aa) . design data case: do-213aa, hermetically sealed gl ass case. (melf, sod-80, ll34) lead finish: tin / lead polarity: diode to be operated with the banded (cathode) end postive. 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.
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