nominal test zener current z zk (1) surge type voltage i zt @ regulation current v z @i zt z z @i zt i zk =5ma v v v z i r v r i zsm 5% volts ma ohms ohms volts a volts amps 1n6632us 3.3 380 3.0 500 0.90 300 1.0 20.0 1n6633us 3.6 350 2.5 500 0.80 250 1.0 18.7 1N6634US 3.9 320 2.0 500 0.75 175 1.0 17.6 1n6635us 4.3 290 2.0 500 0.70 25 1.0 16.4 1n6636us 4.7 260 2.0 450 0.60 20 1.0 15.3 1n6637us 5.1 240 1.5 400 0.50 5 1.0 14.4 1n5968us 5.6 220 1.0 400 0.4 5000 4.28 20 1n5969us 6.2 220 1.0 1000 0.5 1000 4.74 20 design data case: d-5b, hermetically sealed glass case, per mil-prf 19500/356 lead finish: tin / lead thermal resistance: ( r o jec ): 10 c/w maximum at l = 0 thermal impedance: ( z o jx ): 3 c/w maximum polarity: diode to be operated with the banded (cathode) end positive. mounting surface selection: the axial coefficient of expansion (coe) of this device is approximately + 4ppm / 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 3.48 3.76 .137 .148 f 0.48 0.71 0.019 0.028 g 5.08 5.72 .200 .225 s 0.03min. .001min. figure 1 155 6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (781) 689-0803 website: http://www.microsemi.com ? available in jan, jantx, jantxv, and jans per mil-prf-19500/356 ? 5 watt zener diodes ? non cavity construction ? metallurgically bonded 1n6632us thru 1n6637us and 1n5968us and 1n5969us electrical characteristics @ 25c, unless otherwise specified maximum ratings operating temperature: -65c to +175c storage temperature: -65c to +175c power dissapation: 5w @ t ec =+125c power derating: 100mw/c above t ec =+125c forward voltage: 1.5 v dc @ i f =1a dc note 1 i zk =1.0 ma for 1n5969 note 2 zener voltage is measured using the pulse method, 0.2msec to 200msec at i zt , with the diode junction stabilized at 25 c 3c prior to the pulse. maximum zener impedance maximum reverse leakage current voltage
156 in6632us thru in6637us and in5968us and in5969us 100 200 300 400 500 operating current i zt (ma) figure 3 zener impedance vs. operating current zener impedance z zt (ohms) 100.0 10.0 1.0 0.1 0.01 6636 5968 0 25 50 75 100 125 150 175 t ec , end cap temperature (oc) power derating curve 5 4 3 2 1 0 pd, rated power dissipation (w) figure 2
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