BZT52C51S document number: ds30566 rev. 5 - 2 1 of 4 www.diodes.com october 2009 ? diodes incorporated BZT52C51S surface mount zener diode features ? planar die construction ? general purpose, medium current ? ideally suited for automated assembly processes ? lead, halogen and antimony free, rohs compliant (note 1) ? "green" device (notes 2 and 6) mechanical data ? case: sod-323 ? case material: molded plasti c, ?green? molding compound. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020 ? terminal connections: see diagram ? terminals: finish ? matte tin annealed over alloy 42 leadframe. solderable per mil-std-202, method 208 ? marking information: see page 2 ? ordering information: see page 2 ? weight: 0.004 grams (approximate) maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit forward voltage @ i f = 10ma v f 0.9 v operating and storage temperature range t j, t stg -65 to +150 c thermal characteristics characteristic symbol value unit power dissipation (note 3) p d 200 mw thermal resistance, junction to ambient air (note 3) r ja 833 c/w electrical characteristics @t a = 25c unless otherwise specified type number marking code (note 4) zener voltage range (note 3) maximum zener impedance (note 5) maximum reverse current (note 5) 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 BZT52C51S ww 51 48.0 54.0 5 100 750 1.0 0.1 38 notes: 1. no purposefully added lead. halogen and antimony free. 2. diodes inc's "green" policy can be found on our webs ite at http://www.diodes.com /products/lead_free/index.php 3. short duration pulse test used to minimize self-heating effect. 4. when provided, otherwise, parts are provided with date code only, and type number identification appears on reel only. 5. f = 1khz. 6. product manufactured with green molding compound and does not contain halogens or sb 2 o 3 fire retardants. top view
BZT52C51S document number: ds30566 rev. 5 - 2 2 of 4 www.diodes.com october 2009 ? diodes incorporated BZT52C51S 0 40 80 120 160 200 25 0 50 75 100 125 150 p , p o we r dissi p a t i o n (mw) d t , ambient temperature ( c) fig. 1 power dissipation vs ambient temperature a 240 0 2 4 6 8 10 10 20 30 40 50 60 70 80 90 100 i, ze n e r c u r r e n t (ma) z v , zener voltage (v) fig. 2 zener breakdown characteristics z c51 t = 25c j 0 c , total capacitance (pf) t 1 10 100 100 10 v , nominal zener voltage (v) fig. 3 total capacitance vs nominal zener voltage z t = 25c f = 1mhz j v = 1v r v = 2v r ordering information (note 7) part number case packaging BZT52C51S-7 sod-323 3,000/tape & reel BZT52C51S-13 sod-323 10,000/tape & reel notes: 7. for packaging details, go to our w ebsite at http://www.diodes .com/datasheets/ap02007.pdf. marking information ww = product type marking code ww
BZT52C51S document number: ds30566 rev. 5 - 2 3 of 4 www.diodes.com october 2009 ? diodes incorporated BZT52C51S package outline dimensions suggested pad layout sod-323 dim min max a 0.25 0.35 b 1.20 1.40 c 2.30 2.70 h 1.60 1.80 j 0.00 0.10 k 1.0 1.1 l 0.20 0.40 m 0.10 0.15 0 8 all dimensions in mm dimensions value (in mm) z 3.75 g 1.05 x 0.65 y 1.35 c 2.40 k l m j c h ba z x c g y
BZT52C51S document number: ds30566 rev. 5 - 2 4 of 4 www.diodes.com october 2009 ? diodes incorporated BZT52C51S important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability arising out of the application or use of this document or an y product described herein; neither does di odes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. life support diodes incorporated products are specifically not authorized for use as critical component s in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support dev ice or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2009, diodes incorporated www.diodes.com
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