digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 1n935a,b-1n940a,b 9.0 volt temperature compensated zener reference diodes maximum ratings characteristics values junction and storage temperatures -65 to +175c dc power dissipation 500mw @ t l = 25c and maximum current i zm of 50 ma. for optimum voltage temperature stability, i z = 7.5ma (less than 75 mw in dissipated power) solder temperatures 260c for 10 s (maximum) electrical characteristics part number zener voltage v z @ i zt maximum zener impedance z zt @ i zt voltage temperature stability u v zt maximum notes 1 & 4 zener test current i zt note 2 notes 3 & 4 temperature range effective temperature coefficient vz notes 1 volts ma ohms mv c %/c 1n935 8.55-9.45 7.5 20 67 0 to +75 0.01 1n935a 8.55-9.45 7.5 20 139 -55 to +100 0.01 1n935b 8.55-9.45 7.5 20 184 -55 to +150 0.01 1n936 8.55-9.45 7.5 20 33 0 to +75 0.005 1n936a 8.55-9.45 7.5 20 69 -55 to +100 0.005 1n936b 8.55-9.45 7.5 20 92 -55 to +150 0.005 1n937 8.55-9.45 7.5 20 13 0 to +75 0.002 1n937a 8.55-9.45 7.5 20 27 -55 to +100 0.002 1n937b 8.55-9.45 7.5 20 37 -55 to +150 0.002 1n938 8.55-9.45 7.5 20 6 0 to +75 0.001 1n938a 8.55-9.45 7.5 20 13 -55 to +100 0.001 1n938b 8.55-9.45 7.5 20 18 -55 to +150 0.001 1n939 8.55-9.45 7.5 20 3 0 to +75 0.0005 1n939a 8.55-9.45 7.5 20 7 -55 to +100 0.0005 1n939b 8.55-9.45 7.5 20 9 -55 to +150 0.0005 1n940 8.55-9.45 7.5 20 1.3 0 to +75 0.0002 1n940a 8.55-9.45 7.5 20 2.7 -55 to +100 0.0002 1N940B 8.55-9.45 7.5 20 3.7 -55 to +150 0.0002 note 1. for devices with tighter tolerances, use a nominal voltage of 9.2v and add a hyphenated suffix to the part number for d esired tolerance at the end of the part number, ie. ? 2% note 2. measured by superimposing 0.75ma ac rms on 7.5 ma dc @ 25c note 3. the maximum allowable change observed over the entire temperature range, i.e. the diode voltage will not exceed the spe cified mv change at any discrete temperature between the established limits note 4. voltage measurements to be performe d 15 seconds after application of dc current mechanical characteristics dimensions inches millimeters min max min max bd - 0.107 - 2.718 bl - 0.300 - 7.620 ld 0.018 0.022 0.457 0.559 ll 1.000 - 25.400 - case do-35 hermetically sealed glass marking body painted, alpha numeric polarity cathode band sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20120730
digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 1n935a,b-1n940a,b 9.0 volt temperature compensated zener reference diodes power derating curve typical change of temperature coefficient with change in operating current typical change of zener voltage wi th change in operating current available non-rohs (standard) or rohs compliant (add pbf suffix). available as ?hr? (high reliability) screened per mil-prf- 19500, jantx level. add ?hr? suffix to base part number. sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20120730
|
