t4 - lds -0 183 -1, rev . 1 (1 2 0901 ) ?201 2 micros emi corporation page 1 of 6 1n4460 us C 1n4496 us and 1n6485 us C 1n6491 us available on commercial versions voidless hermetically sealed surface mount 1.5 watt glass zener diodes qualified per mil -prf- 19500/4 06 qualified levels : jan, jantx, jantxv and j ans description t his surface mount , zener voltage regulator series is military qualified to mil - prf - 19500/406 and is ideal for high - reliability applications where a failure cannot be tolerated. these industry - recognized 1.5 w att zener voltage regulator s are hermetically sealed with void -less glass construction using an internal metallurgical bond. it includes zener selections from 3.3 to 200 volts in standard 5% tolerance . 1% and 2% tolerance versions are also available. microsemi also offers numerous other zener products to meet higher and lower power ratings in both thru - hole and surface mount packages . a (d- 5a ) melf package also available in : do- 41 package (axial - lead ) 1n4460 C 1n4496 and 1n6485 C 1n6491 important: for the latest information, visit our website http://www.microsemi.com . features ? surface mount equivalent of p opular jedec registered series . ? v oid - less h ermetically sealed glass package . ? triple - layer passivation. ? extremely robust construction. ? internal category 1 metallurgical bond s for 1n4462 us thru 1n4496 us and category iii for 1n6485 us thru 1n6491 us as well as 1n4460 us and 1n4461 us . ? jan, jantx, jant xv and jans qualifi cations are avail a ble per mil - prf - 19500/ 4 06 . ? rohs compliant versions available (commercial grade only) . applications / benefits ? regulates voltage over a broad operating current and temperature range . ? extensive selection from 3.3 to 200 v. ? standard voltage tolerances are plus/minus 5% with no suffix . ? tighter tolerances available in plus or minus 2% or 1% . ? non - sensitive to esd per mil - s td - 750 m ethod 1020 . ? inherently radiation hard as described in microsemi micronote 050 . m axim um ratings @ t a = 25 o c unless otherwise specified 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 6822298 website: www.microsemi.com parameters/test conditions symbol value unit junction and storage temperature t j & t stg - 65 to +175 o c steady state power dissipation @ t a = 25 oc p d 1.5 w thermal resistance junction - to - end cap r ? j ec 20 o c /w thermal impedance @ 10 ms 1n4462 C 1n4496 1n6485 C 1n6491 1n4460 C 1n4461 z ? jx figure 3 figure 4 figure 4 oc /w forward voltage @ 200 ma @ 1.0 a v f 1.0 1.5 v solder temperature @ 10 s t sp 260 o c downloaded from: http:///
t4 - lds -0 183 -1, rev . 1 (1 2 0901 ) ?201 2 micros emi corporation page 2 of 6 1n4460 us C 1n4496 us and 1n6485 us C 1n6491 us mechanical and packaging ? case: hermetically sealed voidless hard glass with t ungsten slugs. ? terminal s: tin/ l ead (sn/pb) or rohs compliant matte/ t in (commercial grade only) over c opper. ? marking: polari ty band only . ? polarity: cathode indicated by band. ? tape & reel option: standard per eia - 481 -b . consult factory for quantities. ? w eight: 193 milligrams. ? see p ackage d imensions on last page. part nomenclature jan 1n4460 us c (e3) reliability level jan = jan level jantx = jantx level jantxv = jantxv level jans = jans level blank = commercial jedec type number (see electrical characteristics table) rohs complia nce e3 = rohs c ompliant ( available on commercial grade only ) blank = non - rohs c ompliant tolerance level blank = 5 % c = 2 % d = 1% melf surface mount symbols & definitions symbol definition v z zener voltage: the z ener voltage the device will exhibit at a specified current (i z ) in its breakdown region. i z , i zt , i zk regulator current: the dc regulator current (i z ), at a specified test point (i zt ), near breakdown knee (i zk ). z zt or z zk dynamic impedance: the small signal impedance of the diode when biased to operate in its breakdown region at a specified rms current modulation (typically 10% of i zt or i zk ) and superimposed on i zt or i zk respectively. v f maximum forward voltage: the maximum forward voltage the device will exhibit at a specified current. i r maximum reverse current: the maximum reverse (leakage) current that will flow at the sp ecified voltage and temperature. i zm maximum regulator (zener) current: the maximum rated dc current for the specified power rati ng. i zsm maximum zener surge current: the non - repetitive peak value of z ener surge current at a specified wave form. downloaded from: http:///
t4 - lds -0 183 -1, rev . 1 (1 2 0901 ) ?201 2 micros emi corporation page 3 of 6 1n4460 us C 1n4496 us and 1n6485 us C 1n6491 us electrical characteristics @ 25 oc case temperature type nominal zener voltage v z test current i zt maximum dynamic impedance z zt @ i zt maximum knee impeda nce z zk @ i zk maximum reverse current i r @ v r maximum continuous current i zm (note 1) surge current @ 8.3 ms sq u are wave i zs m v olts ma o hms o hms ma a v olts ma a mps 1n4460 us 1n4461 us 1n4462 us 1n4463 us 6.2 6.8 7.5 8.2 40.0 37.0 34.0 31.0 4 2.5 2.5 3 20 0 200 400 400 1.0 1.0 .5 .5 10.0 5.0 1.0 .50 3.72 4.08 4.50 4.92 230 210 191 174 2.3 2.1 1.9 1.7 1n4464 us 1n4465 us 1n4466 us 1n4467 us 9.1 10.0 11.0 12.0 28.0 25.0 23.0 21.0 4 5 6 7 500 500 550 550 .5 .25 .25 .25 .30 .30 .30 .20 5.46 8.00 8.80 9.60 157 143 130 119 1.6 1.4 1.3 1.2 1n4468 us 1n4469 us 1n4470 us 1n4471 us 13.0 15.0 16.0 18.0 19.0 17.0 15.5 14.0 8 9 10 11 550 600 600 650 .25 .25 .25 .25 .05 .05 .05 .05 10.4 12.0 12.8 14.4 110 95 90 79 1.1 .95 .90 .79 1n4472 us 1n4473 us 1n4474 us 1n4475 us 20.0 22.0 2 4.0 27.0 12.5 11.5 10.5 9.5 12 14 16 18 650 650 700 700 .25 .25 .25 .25 .05 .05 .05 .05 16.0 17.6 19.2 21.6 71 65 60 53 .71 .65 .60 .53 1n4476 us 1n4477 us 1n4478 us 1n4479 us 30.0 33.0 36.0 39.0 8.5 7.5 7.0 6.5 20 25 27 30 750 800 850 900 .25 .25 .25 .25 .05 .05 .05 .05 24.0 26.4 28.8 31.2 48 43 40 37 .48 .43 .40 .37 1n4480 us 1n4481 us 1n4482 us 1n4483 us 43.0 47.0 51.0 56.0 6.0 5.5 5.0 4.5 40 50 60 70 950 1000 1100 1300 .25 .25 .25 .25 .05 .05 .05 .25 34.4 37.6 40.8 44.8 33 30 28 26 .33 .30 .28 .26 1n4484 us 1 n4485 us 1n4486 us 1n4487 us 62.0 68.0 75.0 82.0 4.0 3.7 3.3 3.0 80 100 130 160 1500 1700 2000 2500 .25 .25 .25 .25 .25 .25 .25 .25 49.6 54.4 60. 0 65.6 23 21 19 17 .23 .21 .19 .17 1n4488 us 1n4489 us 1n4490 us 1n4491 us 91.0 100.0 110.0 120.0 2.8 2.5 2. 3 2.0 200 250 300 400 3000 3100 4000 4500 .25 .25 .25 .25 .25 .25 .25 .25 72.8 80.0 88.0 96.0 16 14 13 12 .16 .14 .13 .12 1n4492 us 1n4493 us 1n4494 us 1n4495 us 130.0 150.0 160.0 180.0 1.9 1.7 1.6 1.4 500 700 1000 1300 5000 6000 6500 7000 .25 .25 .25 .25 .25 .25 .25 .25 104.0 120.0 128.0 144.0 11 9.5 8.9 7.9 .11 .095 .089 .079 1n4496 us 200.0 1.2 1500 8000 .25 .25 160.0 7.2 .072 1n6485 us 1n6486 us 1n6487 us 1n6488 us 3.3 3.6 3.9 4.3 76.0 69.0 64.0 58.0 10 10 9 9 400 400 400 400 1.0 1.0 1.0 1.0 50 50 35 5.0 1.0 1.0 1.0 1 .0 433 397 366 332 4.2 3.9 3.6 3.3 1n6489 us 1n6490 us 1n6491 us 4.7 5.1 5.6 53.0 49.0 45.0 8 7 5 500 500 600 1.0 1.0 1.0 4.0 1.0 0.5 1.0 1.0 2.0 304 280 255 3.0 2.7 2.5 note : 1. see maximum ratings for p d temperature co nditio ns for end - cap package where i zm is applicable . downloaded from: http:///
t4 - lds -0 183 -1, rev . 1 (1 2 0901 ) ?201 2 micros emi corporation page 4 of 6 1n4460 us C 1n4496 us and 1n6485 us C 1n6491 us graphs temperature coefficient (%/c) figure 1 temperature coefficient characteristics t ec (c) (end cap) figure 2 t emperature -p ower derating curve zener voltage dc operation maximum rating (w) downloaded from: http:///
t4 - lds -0 183 -1, rev . 1 (1 2 0901 ) ?201 2 micros emi corporation page 5 of 6 1n4460 us C 1n4496 us and 1n6485 us C 1n6491 us graphs (continued) t h (heating time) ms figure 3 thermal impedance curve for 1n4462us through 1n4496us t h (heating time) ms figure 4 thermal impedance curve for 1n6485us through 1n6491us and 1n4460us through 1n4461us z jx - (c/w) z jx - (c/w) downloaded from: http:///
t4 - lds -0 183 -1, rev . 1 (1 2 0901 ) ?201 2 micros emi corporation page 6 of 6 1n4460 us C 1n4496 us and 1n6485 us C 1n6491 us package dimensions notes: 1. dimensions are in inches. 2. millimeters are given for general information only. 3. dimensions are pre - solder dip. 4. in accordance with asme y14.5m, diameters are equivalent to x symbology . dimensions ltr inch millimeters min max min max bd .091 .103 2.31 2.62 bl .168 .200 4.28 5.08 ect .019 .028 0.48 0.71 s .003 0.08 pad layout note : if mounting requires adhesive separate from the solder, an additional 0.080 inch diameter contact may be placed in the center between the pads as an optional spot for cement. dim inch millimeters a 0.288 7.32 b 0.070 1.78 c 0.15 5 3.94 downloaded from: http:///
|
