ds30370 rev. 1 - 2 1 of 3 BZX84C43 - bzx84c51 www.diodes.com BZX84C43 - bzx84c51 350mw surface mount zener diode features planar die construction 350mw power dissipation zener voltages from 43v - 51v ideally suited for automated assembly processes mechanical data a e j l top view m b c h g d k characteristic symbol value unit forward voltage @ i f = 10ma v f 0.9 v power dissipation (note 1) p d 350 mw thermal resistance, junction to ambient air (note 1) r ja 357 c/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1. device mounted on fr-4 pc board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. maximum ratings @ t a = 25 c unless otherwise specified sot-23 dim min max a 0.37 0.51 b 1.20 1.40 c 2.30 2.50 d 0.89 1.03 e 0.45 0.60 g 1.78 2.05 h 2.80 3.00 j 0.013 0.10 k 0.903 1.10 l 0.45 0.61 m 0.085 0.180 0 8 all dimensions in mm case: sot-23, molded plastic case material - ul flammability rating 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: solderable per mil-std-202, method 208 polarity: see diagram marking: marking code (see table on page 2) weight: 0.008 grams (approx.)
ds30370 rev. 1 - 2 2 of 3 BZX84C43 - bzx84c51 www.diodes.com electrical characteristics @ t a = 25 c unless otherwise specified notes: 2. short duration test pulse used to minimize self-heating effect. 3. f = 1khz. type number marking code zener voltage range (note 2) maximum zener impedance (note 3) maximum reverse current (note 2) typical temperature coefficient @i zt mv/ c v z @ i zt i zt z zt @ i zt z zk @i zk i r v r min max nom (v) min (v) max (v) (ma) ( )( ) (ma) ( a) (v) BZX84C43 y15/kyf 43 40.0 46.0 2.0 150 375 0.5 0.1 30.1 10.0 12.0 bzx84c47 y16/kyg 47 44.0 50.0 2.0 170 375 0.5 0.1 32.9 10.0 12.0 bzx84c51 y17/kyh 51 48.0 54.0 2.0 180 400 0.5 0.1 35.7 10.0 12.0 400 t , ambient temperature, (c) a fi g . 1 power deratin g curve p , power dissipation (mw) d see note 1 200 100 300 0 5 00 0 100 200 0 2 4 6 8 10 10 20 30 40 50 60 70 80 90 100 i , zener current (ma) z v , zener voltage (v) z fi g . 2 zener breakdown characteristics tj = 25c test current i z 2ma c43 c47 c51 c , total capacitance (pf) t 1 10 100 100 10 v , nominal zener voltage (v) z fig. 3 total capacitance vs nominal zener voltage t = 25c j f = 1mhz v=1v r v=2v r
ds30370 rev. 1 - 2 3 of 3 BZX84C43 - bzx84c51 www.diodes.com notes: 4. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. ordering information (note 4) month jan feb march apr may jun jul aug sep oct nov dec code 1234567 89 o nd date code key kxx = product type marking code (see page 2) ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september kxx ym marking information (this part may be marked as figure a or b below) year 2001 2002 2003 2004 2005 2006 2007 2008 2009 code mnpr stuvw device packaging shipping (type number)-7* sot-23 3000/tape & reel * add ?-7? to the appropriate type number in table 1 (on page 2). example: 43v zener = BZX84C43-7. figure a month jan feb march apr may jun jul aug sep oct nov dec code 1234567 89 o nd year 2000 2001 2002 2003 2004 2005 2006 2007 2008 code mn p r s t uvw date code key figure b ym xx xx = product type marking code (see page 2) ym = date code marking y = year ex: n = 2001 m = month ex: 9 = september
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