lds - 0022, rev . 4 (111683) ?2011 microsemi corpo ration page 1 of 6 2n3439 thru 2n3440 available on commercial versions npn low power silicon transistor qualified per mil -prf- 19500/3 68 qualified levels : jan, jantx , jantxv and jans description this family of high - frequency, epitaxial planar transistors feature low saturation voltage. these devices are also available in to - 39 and low profile u4 and ua packaging. microsemi also offers numerous other transistor products to meet higher and lower power rat ings wit h various switching speed requirements in both through - hole and surface - mount packages. to - 39 (to - 205ad) package also available in : to -5 package ( long leaded ) 2n3439 l C 2n3440 l u4 package (surface mount) 2n3439u4 C 2n3440u4 ua package (surf ace mount) 2n3439 ua - 2n3440ua important: for the latest information, visit our website http://www.microsemi.com . features ? jedec registered 2n34 39 through 2n34 40 series. ? jan, jantx, jantxv, and jans qualifications are available per mil - prf - 19500/368. ? rohs compliant versions available (commercial grade only) . ? v ce (sat) = 0.5 v @ i c = 50 ma . ? turn - on time t on = 1.0 s m ax @ i c = 20 ma, i b1 = 2.0 ma . ? turn - off time t off = 10 s m ax @ i c = 20 ma, i b1 = -i b2 = 2.0 ma . applications / benefits ? general purpose transistors for medium power applications requiring high frequency switching and low package profile. ? military and other high - reliability applications. m axim um ratings (t c = +25c unless otherwise noted) 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 2n3439 2n3440 unit collector - emitter voltage v ceo 350 250 v collector - base voltage v cbo 450 300 v emitter - base voltage v ebo 7.0 v collector current i c 1.0 a total power dissipation @ t a = +25c (1) @ t c = + 25 c (2) p d 0.8 5.0 w operating & storage junction temperature range t j , t stg - 65 to +200 c notes : 1. derate linearly @ 4.57 mw/c for t a > +25c . 2. derate linearly @ 28.5mw/c for t c > +25c downloaded from: http:///
lds - 0022, rev . 4 (111683) ?2011 microsemi corpo ration page 2 of 6 2n3439 thru 2n3440 mechanical and packaging ? case: hermetically sealed, k ovar base, n ickel cap. ? term inal s: tin/ l ead solder dip or rohs compliant pure tin (commercial grade only) plate ove r gold . ? marking: part number, d ate c ode, m anufacturers id. ? polarity: npn ( see package outline ). ? w eight: approximately 1.064 grams. ? see p ackage d imensions on last page. part nomenclature jan 2n3439 (e3) reliability level ja n = jan level jantx = jantx level jantxv = jantxv level jans = jans level blank = commercial jedec type number (see electrical characteristic s table) rohs compliance ( available on commercial grade only ) e3 = rohs c ompliant with pure tin plate e4 = rohs compliant with gold plate blank = non - rohs c ompliant symbols & definitions symbol definition c obo c ommon - base open - circuit output capacitance . i ceo c ollector cutoff current, base open . i cex c ollector cutoff current, circuit between base and emitter . i ebo e mitter cutoff current, collector open . h fe c ommon - emitter static forward current transfer ratio . v ceo c ollector - emitter voltage, base open . v cbo c ollector - emitter voltage, emitter open . v ebo e mitter - base voltage, collector open . downloaded from: http:///
lds - 0022, rev . 4 (111683) ?2011 microsemi corpo ration page 3 of 6 2n3439 thru 2n3440 electrical characteristics (t a = +25c, unless otherwise noted) off character is tics parameters / test conditions symbol min. max. unit collector - emitter breakdown voltage v (br)ceo 350 250 v i c = 10 ma r bb1 = 470 ? ; v bb1 = 6 v l = 25 mh (min); f = 30 C 60 hz 2n3439 2n3440 collector - emitter cutoff current i ceo 2.0 2.0 a v ce = 300 v v ce = 200 v 2n3439 2n3440 emitter - base cutoff current v eb = 7.0 v i ebo 10 a collector - emitter cutoff current i cex 5.0 5.0 a v ce = 450 v, v be = - 1.5 v v ce = 300 v, v be = - 1.5 v 2n3439 2n3440 collector - base cutoff current i cbo 2.0 2.0 5.0 5.0 a v cb = 360 v v cb = 250 v v cb = 450 v v cb = 300 v 2n3439 2n3440 2n3439 2n3440 on characteristics (1) parameters / test co nditions symbol min. max. unit forward - current transfer ratio i c = 20 ma, v ce = 10 v i c = 2.0 ma, v ce = 10 v i c = 0.2 ma, v ce = 10 v h fe 40 30 10 160 collector - emitter saturation voltage i c = 50 ma, i b = 4.0 ma v ce(sat) 0.5 v base - emitter saturation voltage i c = 50 ma, i b = 4.0 ma v be(sat) 1.3 v dynamic characteristics parameters / test conditions symbol min. max. unit magnitude of common emitter small - signal short - circuit forward current transfer ratio i c = 10 ma, v ce = 10 v, f = 5.0 mhz |h fe | 3.0 15 forward current transfer ratio i c = 5.0 ma, v ce = 10 v, f = 1.0 khz h fe 25 output capacitance v cb = 10 v, i e = 0, 100 khz f 1.0 mhz c obo 10 pf input capacitance v cb = 5.0 v, i e = 0, 100 khz f 1.0 mhz c ibo 75 pf (1 ) pulse test: pulse width = 300 s, d uty c ycle 2.0% . downloaded from: http:///
lds - 0022, rev . 4 (111683) ?2011 microsemi corpo ration page 4 of 6 2n3439 thru 2n3440 electrical characteristics (t a = +25c, unless otherwise noted) continued switch ing characteristics parameters / test conditions symbol min. max. unit turn - on time v cc = 200 v; i c = 20 ma, i b1 = 2.0 ma t on 1.0 s turn - off time v cc = 200 v; i c = 20 ma, i b1 = -i b2 = 2.0 ma t off 10 s safe operating area (s ee graph below and also reference test method 3053 of mil - std - 750 . ) dc tes ts t c = +25 c, 1 cycle, t = 1.0 s test 1 v ce = 5.0 v, i c = 1.0 a both types test 2 v ce = 350 v, i c = 14 ma 2n3439 test 3 v ce = 250 v, i c = 20 ma 2n3440 v ce C collector to emitter voltage (v) maximum safe operating graph (continuous dc) i c C collector current (ma) downloaded from: http:///
lds - 0022, rev . 4 (111683) ?2011 microsemi corpo ration page 5 of 6 2n3439 thru 2n3440 g raphs t c ( o c ) ( case ) figure 1 temperature - power derating curve notes: thermal resistance junction to case = 30 .0 o c/w max fi nis h - alloy temp = 175.0 o c .1 10 -5 .1 10 -4 .1 10 -3 .1 10 -2 .1 10 -1 0.1 1 10 100 time (s) figure 2 maximum thermal impe dance note: t c = +25 c, p t = 5.0 w, thermal resistance r jc = 30 c/w, steel. dc operation maximum rating (w) theta ( o c /w) downloaded from: http:///
lds - 0022, rev . 4 (111683) ?2011 microsemi corpo ration page 6 of 6 2n3439 thru 2n3440 package dimensions notes: 1. dimensions are in inches. 2. millimeters are given for general information only. 3. beyond r (radius) maximum, tw shall be held for a minimum length of .011 (0.28 mm). 4. dimension tl measured from maximum hd. 5. body contour optional within zone defined by hd, cd, and q. 6. cd shall not vary more than .010 inch (0.25 mm) in zone p. this zone is controlled for automatic handling. 7. leads at gauge plane .054 +.001 - .000 inch (1.37 +0.03 - 0.00 mm) below seating plane shall be within .007 i nch (0.18 mm) radius of true position (tp) at maximum material condition (mmc) relative to tab at mmc . the device may be measured by direct methods or by gauging procedure. 8. dimension lu applies between l1 and l2. dimension ld applies between l2 and ll minimum. diameter is uncontr olled in and beyond ll minimum. 9. all three leads. 10. the collector shall be internally connected to the case. 11. dimension r (radius) applies to both inside corners of tab. 12. in accordance with asme y14.5m, diameters are equivalent to x symbology. 13. lead 1 = emitter, lead 2 = base, lead 3 = collector. 14. for transistor types 2n3439 and 2n3440 (t o- 39), dimension ll = .5 inch (12.70 mm) min. and .750 inch (19.05 mm) max. dimensions symbol inches millimeters note min max min max cd .305 .335 7.75 8.51 6 ch .240 .260 6.10 6.60 hd .335 .370 8.51 9.40 lc .200 tp 5.08 tp 7 ld .016 .019 0.41 0.48 8,9 ll see note 14 lu .016 .019 0.41 0.48 8,9 l1 .050 1.27 8,9 l2 .250 6.35 8,9 p .100 2.54 7 q .030 0.76 5 tl .029 .045 0.74 1.14 3,4 tw .028 .034 0.71 0.86 3 r .010 0.25 10 45 tp 45 tp 7 downloaded from: http:///
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