surface mount zener diodes * standard zener breakdown voltage range ? 2.4 v to 24 v * steady state power rating of 200 mw * cas e: void-fr ee, tran sfe r-mo ld ed, therm os ettin g pl as tic mechanical data: features: weitron 1/3 11-feb-2011 http://www.weitron.com.tw small signal zener diodes 200m watts * es d r atin g of clas s 3 (> 16 kv) per h uman body model * these are pb?free devices * * epoxy m eets ul 9 4 v?0 * qualifi ed max reflow tempe ra tur e: 26 0c * de vic e me ets ms l 1 requi rem en ts * l ead finish : 100% matte sn (t in) * mo un ting position: any mm9d2v4 series sod-923 outline dimensions sod-923 1 2 ?x? d ?y? millimeters e dim min nom max 1 2 b 2 x a 0.34 0.37 0.40 0.08 (0.0032) x y b 0.15 0.20 0.25 a c 0.07 0.12 0.17 d 0.75 0.80 0.85 e 0.55 0.60 0.65 h e 0.95 1.00 1.05 l c l 0.05 0.10 0.15 h e 0.90 0.40 0.30 soldering footprint
weitron maximum ratings and electrical characteristics characteristics symbol unit total power dissipation on fr-5 board @t =25 c forward voltage @ if=10ma junction and storage temperature range v c pd vf tj,tstg value 200 0.9 -65 to+150 mw (ta=25 c unless otherwise noted) a zener voltage regulator i f v i i r i zt v r v z v f electrical characteristics device marking (t a = 25 c unles s otherwis e noted, v f = 0.9 v max. @ i f = 10 ma) symbol parameter v z r evers e zener voltage @ i zt i zt r evers e c urrent z zk maximum zener impedance @ i zk i zk rev ers e current z zt maximum zener impedance @ i zt i r r evers e leakage c urrent @ v r v r r evers e voltage i f f or ward c ur rent v f f or ward voltage @ i f v z maximum temperature c oefficient of v z c max. c apacitance @ v r = 0 and f = 1 mhz item mm9d2v4 series marking sod-923 (pb-free) equivalent circuit diagram 1 2 cathode anode mm9d2v4 series weitron 2/3 11-feb-2011 http://www.weitron.com.tw tempera ture ( c) 25 0 100 40 20 0 power dissipation (%) 50 75 100 125 150 80 60 figure 1. steady state power derating
mm9d2v4 series we it r on e l e c t r ic a l c ha r a c t e r is t ic s (t a = 25 c unle ss otherwis e noted, v f = 0.9 v max. @ i f = 10 ma for all types ) zener voltage (note 1) zener impedanc e l eakage c urrent v z c device v z (volts ) @ i zt z zt @ i zt z zk @ i zk i r @ v r v z (mv /k) @ i zt c @ v r =0 f=1mhz devic e d ev i ce marking min max ma ma ? ? ua volts min max pf mm 9d 2v 4 j 2.28 2.52 5 100 10 00 1 50 1 -3.5 0 210 mm 9d 2v 7 e** 2.57 2.84 5 100 10 00 1 20 1 -3.5 0 210 mm 9d 3v 0 t** 2.85 3.15 5 100 10 00 1 10 1 -3.5 0 210 mm 9d 3v 3 q 3.14 3.47 5 100 10 00 1 10 1 -3.5 0 210 mm 9d 3v 6 3** 3.42 3.78 5 100 10 00 1 10 1 -3.5 0 210 mm 9d 3v 9 v** 3.71 4.10 5 100 10 00 1 5 1 -3.5 -2.5 210 mm 9d 4v 3 y** 4.09 4.52 5 100 10 00 1 5 1 -3.5 0 210 mm 9d 4v 7 3 4.47 4.94 5 100 800 0.5 2 1 -3.5 0.2 150 mm 9d 5v 1 4 4.85 5.36 5 80 500 0.5 2 1.5 -2.7 1.2 130 mm 9d 5v 6 5 5.32 5.88 5 60 200 0.5 1 2.5 -2.0 2.5 115 mm 9d 6v 2 6 5.89 6.51 5 60 100 0.5 1 3 0.4 3.7 110 mm 9d 6v 8 a* 6.46 7.14 5 40 60 0.5 0.5 3.5 1.2 4.5 105 mm 9d 7v 5 d* 7.13 7.88 5 30 60 0.5 0.5 4 2.5 5.3 100 mm 9d 8v 2 e* 7.79 8.61 5 30 60 0.5 0.5 5 3.2 6.2 90 mm 9d 9v 1 f* 8.65 9.56 5 30 60 0.5 0.5 6 3.8 7 80 mm 9d1 0v j* 9.50 10.50 5 30 60 0.5 0.1 7 4.5 8 80 mm9d11v k* 10.45 11.55 5 30 60 0.5 0.1 8 5.4 9 80 mm 9d1 2v l* 11.40 12.60 5 30 80 0.5 0.1 9 6 10 80 mm 9d1 3v p* 12.35 13.65 5 37 80 0.5 0.1 10 7 11 75 mm 9d1 5v q* 14.25 15.75 5 42 80 0.5 0.1 11 9.2 13 70 mm 9d1 6v r* 15.20 16.80 5 50 80 0.5 0.1 12 10.4 14 65 mm 9d1 8v t* 17.10 18.90 5 50 80 0.5 0.1 14 12.4 16 60 mm 9d2 0v v* 19.00 21.00 5 55 100 0.5 0.1 15.4 14.4 18 55 mm 9d2 2v y* 20.90 23.10 5 55 100 0.5 0.1 16.8 15.4 20 55 mm 9d2 4v f 22.80 25.20 5 70 120 0.5 0.1 18.9 16 .8 22 50 *r ot at ed 90. ** rot ated 270 . 1. zener voltage is meas ured with a puls e tes t c ur rent i z at an am bi ent temperature of 25 c . weitron 3/3 11-feb-2011 http:// ww w.weitron.com.tw
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