ds30363 rev. 4 - 2 1 of 3 bzt52c43 - BZT52C51 www.diodes.com diodes incorporated planar die construction general purpose, medium current ideally suited for automated assembly processes features maximum ratings @ t a = 25 c unless otherwise specified characteristic symbol value unit power dissipation (note 1) p d 410 mw thermal resistance, junction to ambient air (note 1) r ja 305 c/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1. device mounted on ceramic pcb; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm 2 . 2. short duration test pulse used to minimize self-heating effect. 3. when provided, otherwise, parts are provided with date code only, and type number identifications appears on reel only. 4. f = 1khz. mechanical data bzt52c43 - BZT52C51 surface mount zener diode a b c d e g h j sod-123 dim min max a 3.55 3.85 b 2.55 2.85 c 1.40 1.70 d ? 1.35 e 0.55 typical g 0.25 ? h 0.15 typical j ? 0.10 all dimensions in mm case: sod-123, plastic ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: solderable per mil-std-202, method 208 polarity: cathode band marking: date code and marking code or date code only, see page 3 weight: 0.01 grams (approx.) ordering information: see page 3 electrical characteristics @ t a = 25 c unless otherwise specified type number marking code (note 3) zener voltage range (note 2) maximum zener impedance (note 4) maximum reverse current (note 2) v z @i zt i zt z zt @ i zt z zk @ i zk i zk i r @ v r nom (v) min (v) max (v) ma ma ua v bzt52c43 wu/wu/wy 43 40.0 46.0 5 100 700 1.0 0.1 32 bzt52c47 wv/wz 47 44.0 50.0 5 100 750 1.0 0.1 35 BZT52C51 ww/x1 51 48.0 54.0 5 100 750 1.0 0.1 38
ds30363 rev. 4 - 2 2 of 3 bzt52c43 - BZT52C51 www.diodes.com 0 0.1 0.2 0.3 0.4 0.5 25 050 75 100 125 150 p,p o wer dissipati o n(w) d t , ambient temperature ( c) a fig. 1 power dissipation vs ambient temperature 0.6 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 c43 c47 c51 t = 25c j 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 = 25 c j v = 1v r v = 2v r
ds30363 rev. 4 - 2 3 of 3 bzt52c43 - BZT52C51 www.diodes.com month jan feb march apr may jun jul aug sep oct nov dec code 1234 567 89 o nd date code key xx = product type marking code (see page 1) ym = date code marking y = year (ex: p = 2002) m = month (ex: 9 = september) xx ym marking information for parts marked wy, wz or x1 device packaging shipping bzt52cxx-7 (note 6) sod-123 3000/tape & reel ordering information (note 5) notes: 5. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 6. replace ?xx? with the nominal zener breakdown voltage; i.e. part number for 43v device would be bzt52c43-7. marking information for parts marked wu, wu, wv or ww xx = product type marking code (see page 1) ym = date code marking y = year (ex: n = 2002) m = month (ex: 9 = september) xx ym month jan feb march apr may jun jul aug sep oct nov dec code 1234 567 89 o nd date code key year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 code jklmnpr st u vw year 2000 2001 2002 2003 2004 code mnp rs
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