t4 - lds - 0266, rev . 2 (130230) ?201 3 microsemi corporation page 1 of 6 1n3643 - 1n3647, 1n4254 - 1n4257 and 1n5181 - 1n5184 available on commercial versions v oidless h ermetically s ealed h igh v oltage r ectifier qualified per mil -prf- 19500/279 qualified levels : jan and jantx (1n3644 C 1n3647 only) description these standard recovery high voltage rectifier diode series are military qual ified to mil - prf - 19500/279 for the 1n3644 thr ough 1n3647 part numbers . they are ideal for high voltage, high - reliability applications where a failure cannot be tolerated. these 0.10 and 0.25 amp rated rectifiers with working peak reverse voltages from 1000 to 10,000 volts are hermetically sealed with voidless - glass construction. s package important: for the latest information, visit our website http://www.microsemi.com . features ? j edec registered 1n3643 C 1n3647, 1n4254 C 1n4257, and 1n5181 C 1n518 4 series . ? v oidless hermetically sealed glass package . ? triple - layer passivation. ? lowest reverse leakage available. ? absolute high voltage / high temperature stability. ? jan and jantx qualifi cations are avail a ble only for 1n3644 C 1n3647 per mil - prf - 19500/279 . ? rohs compliant versions available (commercial grade only) . applications / benefits ? high voltage standard recovery rectifiers 1000 to 10,000 v . ? military and other high - reliability applications . ? applications include bridges, half - bridges, catch diodes, voltage multipliers, x- ray machines, power supplies, transmitters, and radar equipment . ? high forward surge current capability . ? extremely robust construction . ? low thermal resistance . ? inherently radiation hard as described in microsemi micronote 050 . msc C lawrence 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 downloaded from: http:///
t4 - lds - 0266, rev . 2 (130230) ?201 3 microsemi corporation page 2 of 6 1n3643 - 1n3647, 1n4254 - 1n4257 and 1n5181 - 1n5184 m axim um ratings @ t a = 25 o c unless otherwise specified 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 - lead @ 3/8 inch (10mm) lead length from body r ? jl 38 o c /w working peak reverse voltage: 1n3643 1n3644 & 1n4254 1n3645 & 1n4255 1n3646 & 1n4256 1n3647 & 1n4257 1n5181 1n5182 1n5183 1n5184 v rw m 1000 1500 2000 2500 3000 4000 5000 7500 10,000 v reverse voltage: 1n3644 1n3645 1n3646 1n3647 v r 1050 1400 1750 2100 v average rectified forward current: 1n3643 C 1n3647 @ t a = 55 oc @ t a = 100 oc i o 0.250 0.100 a 1n4254 C 1n4257 @ t a = 55 oc @ t a = 100 oc i o 0.250 0.150 a 1n5181 C 1n5184 @ t a = 55 oc @ t a = 100 oc i o 0.100 0.060 a solder temperature @ 10 s t sp 260 o c mechanical and packaging ? case: hermetically sealed voidless hard glass with t ungsten slugs. ? terminal s: tin/ l ead or rohs compliant matte/ t in (commercial grade only) over c opper. ? marking: part number . ? polarity: cathode indicated by band. ? tape & reel option: standard per eia - 296. consult factory for quantities. ? w eight: approximately 400 milligrams. ? see p ackage d imensions on last page. downloaded from: http:///
t4 - lds - 0266, rev . 2 (130230) ?201 3 microsemi corporation page 3 of 6 1n3643 - 1n3647, 1n4254 - 1n4257 and 1n5181 - 1n5184 part nomenclature applicable to 1n3644 thru 1n3647 only: jan 1n3644 (e3) reliability level jan = jan level jantx = jantx level blank = commercial jedec type number (see electrical characteristics table) rohs compliance e3 = rohs c ompliant ( available on commercial grade only ) blank = non - rohs c ompliant applicable to 1n3643, 1n4254 C 1n4257, and 1n5181 C 1n5184 only: 1n3643 (e3) jedec type number (see electrical characteristics table) rohs compliance e3 = rohs c ompliant blank = non - rohs c ompliant symbols & definitions symbol definition i o average rectified forward current: the o utput c urrent averaged over a full cycle with a 50 hz or 60 hz sine - wave input and a 180 degree conduction angle . i r maximum leakage current: the maximum leakage current that will flow at the specified voltage and temperature. i zs m maximum rated surge current: the non - repetitive peak value of rated surge current at a specified wave form. v ( br ) minimum breakdown voltage: the minimum voltage the device will exhibit at a specified current . v f maximum forward voltage: the maximum forward voltage the device will exhibit at a specified current. v r reverse voltage: the reverse voltage dc value, no alternating component. v rw m working peak reverse voltage: the maximum peak voltage that can be applied over the operating temperature range. downloaded from: http:///
t4 - lds - 0266, rev . 2 (130230) ?201 3 microsemi corporation page 4 of 6 1n3643 - 1n3647, 1n4254 - 1n4257 and 1n5181 - 1n5184 electrical characteristics type minimum breakdown voltage v (br) maximum forward voltage v f (see notes 1 & 2) reverse current (max.) i r @ v rwm average reve r se current i r( av) @ v r maximum surge current @ 8.3 ms i zsm v olts v olts a a a mps 25 o c 55 o c 125 o c 175 o c +100 o c 1n3643 1n3644 * 1n3645 * 1n3646 * 1n3647 * - 1800 2400 3000 3600 5.0 (1) 5.0 (1) 5.0 (1) 5.0 (1) 5.0 (1) 5 5 5 5 5 - - - - - - - - - - - - - - - - 100 100 100 100 14 14 14 14 14 1n4254 1n4255 1n4256 1n4257 - - - - 3.5 (2) 3.5 (2) 3.5 (2) 3.5 (2) 1 1 1 1 - - - - 20 20 20 20 - - - - - - - - 10 10 10 10 1n5181 1n5182 1n5183 1n5184 - - - - 10 (2) 10 (2) 10 (2) 10 (2) - - - - 5 5 5 5 - - - - 1000 1000 1000 1000 - - - - 4 4 4 4 * also applicable to jan and jantx levels. note 1: v f @ 250ma note 2: v f @ 100ma downloaded from: http:///
t4 - lds - 0266, rev . 2 (130230) ?201 3 microsemi corporation page 5 of 6 1n3643 - 1n3647, 1n4254 - 1n4257 and 1n5181 - 1n5184 graphs ambient temperature (c) figure 1 1n3643 C 1n3647 and 1n4254 C 1n4257 ambient temperature (c) figure 2 1n5181 C 1n51 84 average forward current (ma) average forward current (ma) downloaded from: http:///
t4 - lds - 0266, rev . 2 (130230) ?201 3 microsemi corporation page 6 of 6 1n3643 - 1n3647, 1n4254 - 1n4257 and 1n5181 - 1n5184 package dimensions notes: 1. dimensions are in inches. 2. millimeters are given for general information only. 3. package contour optional with bd and length bl. heat slugs, if any, shall be included within this cylinder length but shall not be subject to minimum limit of bd . 4. the specified lead diameters apply in the zone between .050 inch (1.27 mm) from the diode body and the end of the lead . 5. in accordance with asme y14.5m, diameters are equivalent to x symbology. 6. max dimension bl will be .225 / 5.72mm for 1n5181 C 1n5184 dimensions ltr inch millimeters notes min max min max bd 0 .065 0 .110 1.65 2.79 3 bl 0 .190 0 .215 4.83 5.46 3 , 6 ld 0 .029 0 .033 0.74 0.84 ll 1.00 1.25 25.40 31.75 lu 0 .050 1.27 4 downloaded from: http:///
|
