t4 - lds - 0240 , rev. 1 (112022 ) ?2011 microsemi corporation page 1 of 5 1n4678 -1 thru 1n4717 - 1 available on commercial versions 500 mw axial - leaded zener diodes screening in reference to mil - prf - 19500 available description the 1n4678 -1 thru 1n4717 -1 series of 0.5 watt z ener v oltage r egulators provides a selection from 1.8 to 43 volts in standard 5% tolerances as well as tighter tolerances. these axial - leaded glass do - 35 zeners are available with an internal metallurgical bond similar to military requirements for similar zeners. microsemi also offers numerous other zener products to meet higher and lower power applications. do - 35 (do - 204ah) package also available in : do - 213aa (surface mount) 1n4678ur -1 C 1n4717ur -1 important: for the latest information, visit our website http://www.microsemi.com . features ? jedec registe red 1n4678 thru 1n4717 series . ? internal meta llurgical bond . ? 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 only) . applications / benefits ? regulates voltage over a broad operating current and temperature range . ? guaranteed maximum voltage regulation 10 a to 100 a. ? voltage selection from 1.8 to 43 v. ? flexible axial - lead mounting terminals. ? non - sensitive to esd per mil - s td - 750 m ethod 1020. ? minimal capacitance (see figure 3 ). ? inherently radiation hard as described in microsemi s micronote 050 . m axim um ratings msc C law rence 6 lake street, lawrence, ma 01841 tel: 1- 800 - 446 - 1158 or (97 8) 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 6822298 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 resistance junction - to - lead (1) r ? jl 250 o c /w thermal resistance junction - to - ambient (2) r ? ja 310 o c /w steady - state power dissipation (3) p d 0.5 w forward voltage @ 200 ma v f 1.1 v solder temperature @ 10 s t sp 260 o c notes : 1. at 3/8 (10 mm) lead length from body. 2. when mounted on fr4 pc board (1 oz c u) wi th 4 mm 2 copper pads and track width 1 mm, length 25 mm . 3. at t l < 50 o c 3/8 inch (10 mm) from body or 0.48 w at t a < 25 o c when mounted on fr4 pc board as described for thermal resistance (see fi gure 2 for deratin g). downloaded from: http:///
t4 - lds - 0240 , rev. 1 (112022 ) ?2011 microsemi corporation page 2 of 5 1n4678 -1 thru 1n4717 - 1 mechanical and packaging ? case: hermetically sealed axial - lead glass do - 35 (do - 204ah) package. ? terminals: leads t in -l ead plated or rohs compliant m atte -t in plating available (on commercial grade only) solderable per mil - s td - 750, method 2026. ? pola rity: 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: part number. ? tape & reel option: standard per eia - 296 (add tr suffix to part number). consul t factory for quantities. ? weight: 0.2 grams. ? see p ackage d imensions on last page. part nomenclature mq 1n4678 c -1 (e3) reliability level mq = jan level mx = jant x level mv = jantx v level msp = jans level 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 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 volt age and temperature. i zm maximum regulator (zener) current: the maximum rated dc current for the specified power rati ng. t sp temperature solder pad: the maximum solder temperature that can be safely applied to the terminal. 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 , rev. 1 (112022 ) ?2011 microsemi corporation page 3 of 5 1n4678 -1 thru 1n4717 - 1 electrical characteristics @ 2 5 o c unless otherwise 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 v olts a v olts a vo lts ma 1n4678 -1 1n4679 -1 1n4680 -1 1n4681 -1 1n4682 -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 1n4683 -1 1n4684 -1 1n4685 -1 1n4686 -1 1n4687 -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 1n4688 -1 1n4689 -1 1n4690 -1 1n4691 -1 1n4692 -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 1n4 693 -1 1n4694 -1 1n4695 -1 1n4696 -1 1n4697 -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 1n4698 -1 1n4699 -1 1n4700 -1 1n4701 -1 1n4702 -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 1n4703 -1 1n4704 -1 1n4705 -1 1n4706 -1 1n4707 -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 0.05 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 1n4708 -1 1n4709 -1 1n4710 -1 1n4711 -1 1n4712 -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 1n4713 -1 1n4714 -1 1n4715 -1 1n4716 -1 1n4717 -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 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 stabil ize for 20 seconds when mounted with 3/8 minimum lead leng th from the b ody . downloaded from: http:///
t4 - lds - 0240 , rev. 1 (112022 ) ?2011 microsemi corporation page 4 of 5 1n4678 -1 thru 1n4717 - 1 graphs t l C lead temperature ( o c ) 3/8 from body or nominal zener voltage (volts) t a on fr4 pc board figure 1 figure 2 power derating curve zener voltage temperature coefficient vs. zener voltage zener voltage v z figure 3 capacitance vs. v z curve rated power dissipat ion - mw typical capacitance in pic ofarads at zero volts at C 2 volts (v r ) temperature coefficient %/ o c temperature coefficient mv/ o c voltage temperature coefficient %/ o c mv change /oc downloaded from: http:///
t4 - lds - 0240 , rev. 1 (112022 ) ?2011 microsemi corporation page 5 of 5 1n4678 -1 thru 1n4717 - 1 package dimensions ltr d imensions n otes inch m illimeters min max min max bd .055 .090 1.40 2.29 3 bl .120 .200 3.05 5.08 3 ld .018 .022 0.46 0.56 ll 1.000 1.500 25.40 38.10 ll 1 .050 1.27 4 no t es: 1 . d imension s ar e in inch. 2 . m illimeter s ar e gi ven fo r genera l informatio n onl y. 3 . packag e contou r optiona l w ithi n b d an d lengt h bl . h ea t sl ugs , if an y , shal l be include d w ithi n thi s cy linde r bu t shal l no t be subjec t to minimum limi t of b d. the bl dimensio n shal l includ e th e entir e bod y including slugs. 4 . w ithi n thi s z on e lead , diamete r may v ar y to allo w fo r lea d finishe s and irregularitie s othe r tha n hea t slugs. 5 . in accordanc e w it h as me y 14.5 m, diameter s ar e equi v alen t to x sy mbolog y. downloaded from: http:///
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