bas521lp document number: ds32176 rev. 5 - 2 1 of 4 www.diodes.com april 2011 ? diodes incorporated bas521lp high voltage switching diode features ? fast switching speed: maximum of 50 ns ? high reverse breakdown voltage: 325v ? low leakage current: maximum of 50na when v r = 5v or maximum of 150na when v r = 250v at room temperature ? ultra small plastic smd package: 1.0mm x 0.6mm x 0.5mm ? lead, halogen and antimony free, rohs compliant (note 1) ? "green" device (note 2) mechanical data ? case: x1-dfn1006-2 ? case material: molded plastic, ?green? molding compound. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020 ? terminals: finish - nipdau over copper leadframe. solderable per mil-std-202, method 208 ? weight: 0.0009 grams (approximate) ordering information (note 3) part number case packaging bas521lp-7 x1-dfn1006-2 3,000/tape & reel BAS521LP-7B x1-dfn1006-2 10,000/tape & reel notes: 1. no purposefully added lead. halogen and antimony free. 2. diodes inc.'s "green" policy can be found on our website at http://www.diodes.com. 3. for packaging details, go to our website at http://www.diodes.com. marking information bottom view 1 2 device schematic 98 = product type marking code bas521lp-7 BAS521LP-7B top view bar denotes cathode side top view dot denotes cathode side 98 98 x1-dfn1006-2
bas521lp document number: ds32176 rev. 5 - 2 2 of 4 www.diodes.com april 2011 ? diodes incorporated bas521lp maximum ratings @t a = 25c unless otherwise specified characteristic symbol value unit repetitive peak reverse voltage v rrm 325 v working peak reverse voltage dc blocking voltage v rwm v r 325 v forward current (note 4) i f 400 ma non-repetitive peak forward surge current @ t = 1.0 s i fsm 8.0 a repetitive peak forward current @ t=8.3ms (note 4) i frm 3.0 a thermal characteristics characteristic symbol value unit power dissipation (note 4) p d 400 mw thermal resistance junction to ambient air (note 4) r ja 312 c/w operating and storage temperature range t j , t stg -65 to +150 c electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min max unit test condition reverse breakdown voltage (note 5) v ( br ) r 300 ? v i r = 100 a forward voltage v f ? 1.1 v i f = 100ma reverse current (note 5) i r ? ? ? 50 150 100 na na a v r = 5v v r = 250v v r = 250v, t j = 150 c total capacitance c t ? 5 pf v r = 0, f = 1.0mhz reverse recovery time t rr ? 50 ns i f = i r = 30ma, i rr = 0.1 x i r , r l = 100 notes: 4. part mounted on fr-4 board with recommended pad lay out, which can be found on our webs ite at http://www.diodes.com. 5. short duration pulse test used to minimize self-heating effect. 0 125 175 300 100 200 0 t , ambient temperature ( c) fig. 1 power derating curve a p , p o we r dissi p a t i o n (mw) d 25 100 50 75 150 50 150 250 400 350 note 4 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 v , instantaneous forward voltage (v) fig. 2 typical forward characteristics f 0.1 1 10 100 1,000 i, i n s t a n t a n e o u s f o r wa r d c u r r e n t (ma) f
bas521lp document number: ds32176 rev. 5 - 2 3 of 4 www.diodes.com april 2011 ? diodes incorporated bas521lp 0.1 1 10 100 1,000 10,000 100,000 0 50 100 150 200 250 300 v , instantaneous reverse voltage (v) fig. 3 typical reverse characteristics r i, ins t an t ane o u s r eve r se c u r r en t (na) r t = - oc a 55 t = 25oc a t = 5oc a 8 t = 125oc a t = 150oc a 0 0.2 0.4 0.6 0.8 1.0 1.2 010203040 c , total capacitance (pf) t package outline dimensions suggested pad layout x1-dfn1006-2 dim min max typ a 0.47 0.53 0.50 a1 0 0.05 0.03 b 0.45 0.55 0.50 d 0.95 1.075 1.00 e 0.55 0.675 0.60 e - - 0.40 l 0.20 0.30 0.25 r 0.05 0.15 0.10 all dimensions in mm dimensions value (in mm) z 1.1 g 0.3 x 0.7 y 0.4 c 0.7 l e b r e d a1 a z x c g y
bas521lp document number: ds32176 rev. 5 - 2 4 of 4 www.diodes.com april 2011 ? diodes incorporated bas521lp 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 ari sing 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 devic e 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 ? 2011, diodes incorporated www.diodes.com
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