t4 - lds - 0023, rev . 1 (11 2020 ) ?2011 microsemi corporation page 1 of 3 1n457a thru 1n459a available on commercial versions switching diode qualified per mil -prf- 19500/193 qualified level : jan description these popular 1n4 57 C 1n4 59 series of jedec registered switchi ng/signal diodes are metallurgical ly bonded . these small low capacitance diodes with very fast switching speeds are hermetically sealed and bonded into a double - plug do - 35 package. they may be used in a variety of fast switching applications. microsemi also offers a variety of other switching/signal diodes. do - 35 package important: for the latest information, visit our website http://www.microsemi.com . features ? jedec registered 1n 45 7 a thru 1n459a series . ? tightened v f of 1 v max at 100 ma . ? m etallurgical ly bonded . ? hermetically sealed. ? double plug construction. ? jan qualification per mil - prf - 19500/193 available . ? rohs compliant versions available (commercial grade only) . applications / benefits ? small size for high density mounting using flexible thru - hole leads (see package illustration). ? high frequency data lines: ? rs - 232 & rs C 422 i nterface networks ? ethernet 10 base t links ? switching core drivers ? l ocal area networks ? computers maximu m ratings @ 25 o c unless stated otherwise. msc C law rence 6 lake street, lawrence, ma 01841 1- 800 - 446 - 1158 (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 parame ters/test conditions symbol value unit junction temperature t j - 65 to +150 o c storage temp erature t stg - 65 to +1 75 o c maximum reverse voltage 1n457 a 1n458 a 1n459 a v rm 70 150 200 v working peak reverse voltage 1n457 a 1n458 a 1n459 a v rw m 60 125 175 v maximum average dc output current @ t a = +25 o c (1) i o 150 ma forward current 1n457 a 1n458 a 1n459 a i f 225 165 120 ma steady - state power dissipation p d 500 mw notes : 1. derate i o linearly to 0.0 ma at +150 c. downloaded from: http:///
t4 - lds - 0023, rev . 1 (11 2020 ) ?2011 microsemi corporation page 2 of 3 1n457a thru 1n459a mechanical and packaging ? case: hermetically sealed glass package . ? terminal s: tin/lead or rohs compliant m atte/ t in (commercial grade only) plated c opper clad steel . ? marking: blue body coat with black digits . ? polarity: cathode end is banded . ? tape & reel option: standard per e ia - 296. consult factory for quantities. ? w eight: 0.2 grams. ? see p ackage d imensions on last page. part nomenclature jan 1n 4 57 a (e3) reliability level jan = jan 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 commercial grade (omitted i n jan level part number ) symbols & defi nitions symbol definition i f forward current . i o average rectified output current: the output current averaged over a full cycle with a 50 hz or 60 hz si ne - wave input and a 180 degree conduction angle. i r reverse current: the maximum reverse (leakage) current that will flow at the specified volt age and temperature. v f maximum forward voltage: the maximum forward voltage the device will exhibit at a specified curr ent. v rw m working peak reverse voltage: the maximum peak voltage that can be applied over the operating temperature range excluding all transient voltages (ref jesd282 - b). also sometimes known as piv. v wm working peak voltage: the maximum peak voltage that can be applied over the operating temperature range. this is also referred to as standoff voltage. downloaded from: http:///
t4 - lds - 0023, rev . 1 (11 2020 ) ?2011 microsemi corporation page 3 of 3 1n457a thru 1n459a electrical characteristics @ 25 o c unless stated otherwise. part number forward voltage v f1 @ i f (note 1) reverse current i r1 @ v rw m i r2 @ v rm i r3 @ v rw m low temp operating forward vo l tage v f2 @ i f = 100 ma pulse d v t a = +25 o c na t a = + 25 o c a t a = +150 o c a t a = - 55 o c v 1n457 1.0 25 1 5 1.2 1n458 1.0 25 1 5 1.2 1n459 1.0 25 1 5 1.2 notes: 1. i f = 100 ma, t p = 8.5 ms, max duty cycle 2 percent (pulsed). package dimensions notes: 1. dimen sions are in inches. 2. millimeters are given for general information only. 3. in accordance with asme y14.5m, diameters are equivalent to x symbology. dimensions ltr inches millimeters min max min max bd .056 .075 1.42 1.90 bl .140 .180 3.56 4.57 ld .018 .022 0.46 0.56 ll 1.000 1.500 25.40 38.10 downloaded from: http:///
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