t4 - lds - 0240 -1, rev. 2 (1 20722 ) ?201 2 microsemi corporation page 1 of 5 1n4678 ur -1 thru 1n4717ur-1 available on commercial versions 500 mw surface mount zener diodes screening in reference to mil - prf - 19500 available description the 1n4678ur - 1 thru 1n4717ur - 1 series of 0.5 watt glass surface mount do - 213aa zener voltage regulators provides a selection from 1.8 to 43 volts. standard tolerance is +/ - 5%, with 1% and 2% options available. the zener test current is only 50 ua. the metal slugs that sandwich the die are metallurgically bonded to the silicon for high reliability. this type of internally bonded zener package construction is also available with high - reliability up - screening as described in the features section. microsemi also offers numerous other zener products to meet higher and lower power applications. do - 213aa package also available in : do - 35 (do - 204ah) (surface mount) 1n4678 -1 C 1n4717 -1 important: for the late st information, visit our website http://www.microsemi.com . features ? surface mount equivalent of jedec registe red 1n4678 thru 1n4717 series . ? internal meta llurgical bond. ? hermetically sealed surface mount packa ge. ? tighter v oltage tolerances of 2% and 1% are available . ? up - screening available in reference to mil - prf - 19500 . (s ee part nomenclature for all available options.) ? rohs c ompliant devices available (commercial grade o nly). applications / benefits ? regulates voltage over a broad operating current and temperature range . ? voltage selection from 1.8 to 43 v. ? non - sensitive to esd per mil - std - 750 m ethod 1020. ? minimal capacitance (see figure 2 ). ? inherently radiation hard as described in microsemi s micronote 050 . maximum ratings msc C law rence 6 lake street, lawrence, ma 01841 tel: 1- 800 - 446 - 1158 or (978) 620 - 2600 fax: (978) 689 - 0803 msc C ireland gort road business park, ennis, co. clare, ireland tel: +353 (0) 65 6840044 fax: +353 (0) 65 6 822298 website: www.microsemi.com parameters/test conditions symbol value unit junction and storage temp erature t j and t stg - 65 to +175 o c thermal resi stance junction - to - end cap (1) r ? jl 100 o c /w thermal resistance junction - to - ambient (1) r ? ja 250 o c /w steady - state power dissipation (2) p d 0.5 w forward voltage @ 1 00 ma v f 1. 5 v solder temperature @ 10 s t sp 260 o c notes : 1. w hen mounted on fr4 pc board (1 oz cu) with recommended footprint (see last page) . 2 . at t ec < 125 o c or at ambient t a < 50 o c when mounted on fr4 pc board. downloaded from: http:///
t4 - lds - 0240 -1, rev. 2 (1 20722 ) ?201 2 microsemi corporation page 2 of 5 1n4678 ur -1 thru 1n4717ur-1 mechanical and packaging ? case: hermetically sealed glass do - 213aa (sod80 or mll34) melf style package . ? termina ls: end caps available with tin - lead plating or rohs compliant matte - tin plating (commercial version only). s olderable per mil - std - 750, method 2026. ? polarity: cathode indicated by band where diode is to be operated with the banded end positive with respect to the opposit e end for zener regulation . ? marking: the cathode is the banded end of the device . ? tape & reel option: standard per eia - 481 -1-b (add tr suffix to part number). consult factory for quantities. ? weight: 0. 04 grams. ? see p ackage d imensions on last page. part nomenclature mq 1n4678 c ur -1 (e3) reliability level mq (reference jan) mx reference jantx mv (reference jantxv) msp (reference jans) blank = commercial jedec type number (s ee e lectrical characteristic s t able ) rohs compliance e3 = rohs compliant ( available on commercial grade only ) blank = non - rohs compliant metallurgical ly bond ed surface mount p ackage zener voltage tolerances blank = 5% c = 2% d = 1% symbols & definitions symbol definition i zt or i zk regulator current: the dc regulator current (i z ), at a specified test point (i zt ), near breakdown knee (i zk ). i r reverse current: the maximum reverse (leakage) current that will flow at the specified vo ltage and temperature. i zm maximum regulator (zener) current: the maximum rated dc current for the specified power rat ing. t sp temperature solder pad: the maximum solder temperature that can be safely applied to the te rminal. v r reverse voltage: the reverse voltage dc value, no alternating component. v z zener voltage: the z ener voltage the device will exhibit at a specified current (i z ) in its breakdown region. downloaded from: http:///
t4 - lds - 0240 -1, rev. 2 (1 20722 ) ?201 2 microsemi corporation page 3 of 5 1n4678 ur -1 thru 1n4717ur-1 electrical characteristics @ 25 o c unless otherwi se noted. jedec type number (note 1) nominal zener voltage (note 3) zener test current maximum voltage regulation (note 2 & 3) maximum reverse leakage current maximum dc zener current* v z i zt ? v z i r @ v r i zm volts a volts a volts ma 1n4678ur -1 1n4679ur -1 1n4680ur -1 1n4681ur -1 1n4682ur -1 1.8 2.0 2.2 2.4 2.7 50 50 50 50 50 0.70 0.70 0.75 0.80 0.85 7.5 5.0 4.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 240 220 200 190 180 1n4683ur -1 1n4684ur -1 1n4685ur -1 1n4686ur -1 1n4687ur -1 3.0 3.3 3.6 3.9 4.3 50 50 50 50 50 0 .90 0.95 0.95 0.97 0.99 0.8 7.5 7.5 5.0 4.0 1.0 1.5 2.0 2.0 2.0 170 160 150 140 130 1n4688ur -1 1n4689ur -1 1n4690ur -1 1n4691ur -1 1n4692ur -1 4.7 5.1 5.6 6.2 6.8 50 50 50 50 50 0.99 0.97 0.96 0.95 0.90 10.0 10.0 10.0 10.0 10.0 3.0 3.0 4.0 5.0 5.1 120 110 100 90 70 1n4693ur - 1 1n4694ur -1 1n4695ur - 1 1n4696ur -1 1n4697ur -1 7.5 8.2 8.7 9.1 10.0 50 50 50 50 50 0.75 0.50 0.10 0.08 0.10 10.0 1.0 1.0 1.0 1.0 5.7 6.2 6.6 6.9 7.6 63.6 58.0 54.8 52.4 49.6 1n4698ur -1 1n4699ur -1 1n4700ur -1 1n4701ur -1 1n4702ur -1 11.0 12.0 13.0 14.0 15.0 50 50 50 50 50 0.11 0.12 0.13 0.14 0.15 0.05 0.05 0.05 0.05 0.05 8.4 9.1 9.8 10.6 11.4 43.2 40.8 38.0 35.0 32.6 1n4703ur -1 1n4704ur -1 1n4705ur -1 1n4706ur -1 1n4707ur -1 16.0 17.0 18.0 19.0 20.0 50 50 50 50 50 0.16 0.17 0.18 0.19 0.20 0.05 0.0 5 0.05 0.05 0.01 12.1 12.9 13.6 14.4 15.2 30.8 29.0 26.4 25.0 23.8 1n4708ur -1 1n4709ur -1 1n4710ur -1 1n4711ur -1 1n4712ur -1 22.0 24.0 25.0 27.0 28.0 50 50 50 50 50 0.22 0.24 0.25 0.27 0.28 0.01 0.01 0.01 0.01 0.01 16.7 18.2 19.0 20.4 21.2 21.6 19.8 19.0 17. 6 17.0 1n4713ur -1 1n4714ur -1 1n4715ur -1 1n4716ur -1 1n4717ur -1 30.0 33.0 36.0 39.0 43.0 50 50 50 50 50 0.30 0.33 0.36 0.39 0.43 0.01 0.01 0.01 0.01 0.01 22.8 25.0 27.3 29.6 32.6 15.8 14.4 13.2 12.2 11.0 *jedec registered data except that i zm has been increased (doubled) for 500 mw power dissipation capabilities . notes: 1. all types as shown are +/ - 5% tolerance. also available in 2% and 1% tolerance. 2. ? v z @ 100 a minus v z @ 10 a. 3. the electrical characteristics are measured after allowing the device to stabilize for 20 seconds when mounted with 3/8 minimum lead length from the base. downloaded from: http:///
t4 - lds - 0240 -1, rev. 2 (1 20722 ) ?201 2 microsemi corporation page 4 of 5 1n4678 ur -1 thru 1n4717ur-1 graphs t ec C end cap temperature ( o c ) or t a on fr4 pc board figure 1 power derating curve zener voltage v z figure 2 capacitance vs. zener voltage (typical) p d rated power dissipat ion - mw typical capacitance in picofarads (pf) at zero volts at C 2 volts (v r ) t ec t a downloaded from: http:///
t4 - lds - 0240 -1, rev. 2 (1 20722 ) ?201 2 microsemi corporation page 5 of 5 1n4678 ur -1 thru 1n4717ur-1 package dimensions pad layout dim inch millimeters min max min max a 0.063 0.067 1.60 1.70 b 0.130 0.146 3.30 3.70 c 0.016 0.022 0.41 0.55 inch mm a .200 5.08 b .055 1.40 c .080 2.03 downloaded from: http:///
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