b220/a - b260/a document number: ds13004 rev. 18 - 2 1 of 4 www.diodes.com september 2011 ? diodes incorporated b220/a - b260/a 2.0a surface mount schottky barrier rectifier features ? guard ring die constructi on for transient protection ? ideally suited for automated assembly ? low power loss, high efficiency ? surge overload rating to 50a peak ? for use in low voltage, high frequency inverters, free wheeling, and polarity protection application ? high temperature soldering: 260c/10 second at terminal ? lead free finish/rohs compliant (note 1) ? green molding compound (no halogen and antimony) (note 2) ? qualified to aec-q101 standards for high reliability mechanical data ? case: sma/smb ? case material: molded plastic. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020 ? terminals: lead free plating (mat te tin finish). solderable per mil-std-202, method 208 ? polarity: cathode band or cathode notch ? weight: sma 0.064 grams (approximate) smb 0.093 grams (approximate) ordering information (note 3) part number qualification case packaging b2xxa-13-f commercial sma 5000/tape & reel b2xx-13-f commercial smb 3000/tape & reel b250q-13-f automotive smb 3000/tape & reel * x = device type, e.g. b260a-13-f (sma package); b240-13-f (smb package). notes: 1. eu directive 2002/95/ec (rohs). all applicable rohs exemptions applied, see eu directive 2002/95/ec annex notes . 2. product manufactured with data code 0924 (week 24, 2009) and newer are built with green molding compound. 3. for packaging details, go to our website at http://www.diodes.com. marking information top view bottom view ? green b2x0a = product type marking code, ex: b220a (sma package) b2x0 = product type marking code, ex: b230 (smb package) = manufacturers? code marking yww = date code marking y = last digit of year (ex: 2 for 2002) ww = week code (01 to 53) yww b2x0(a)
b220/a - b260/a document number: ds13004 rev. 18 - 2 2 of 4 www.diodes.com september 2011 ? diodes incorporated b220/a - b260/a maximum ratings @t a = 25c unless otherwise specified single phase, half wave, 60hz, re sistive or inductive load. for capacitance load, derate current by 20%. characteristic symbol b220/a b230/a b240/a b250/a b260/a unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 20 30 40 50 60 v rms reverse voltage v r ( rms ) 14 21 28 35 42 v average rectified output current @ t l = 100c i o 2.0 a non-repetitive peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 50 a thermal characteristics characteristic symbol value unit typical thermal resistance, junction to lead sma smb r jl 25 20 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 typ max unit test condition forward voltage drop b220/a, b230/a, b240/a b250/a, b260/a v f - - 0.50 0.70 v i f = 2.0a, t a = 25 c leakage current (note 4) i r - - - - 0.5 20 ma @ rated v r , t a = 25 c @ rated v r , t a = 100 c total capacitance c t - - 200 pf v r = 4v, f = 1mhz notes: 4. short duration pulse test used to minimize self-heating effect. 0.01 0.1 1.0 10 0 0.2 0.4 0.6 0.8 1.0 i , ins t an t ane o u s f o r wa r d c u r r en t (a) f v , instantaneous forward voltage (v) fig. 1 typical forward characteristics f 020406080100120140 i, i n s t a n t a n e o u s r eve r se c u r r e n t (ma) r percent of rated peak reverse voltage (%) fig. 2 typical reverse characteristics 100 10 1.0 0.1 0.01 0.001
b220/a - b260/a document number: ds13004 rev. 18 - 2 3 of 4 www.diodes.com september 2011 ? diodes incorporated b220/a - b260/a 10 100 1,000 0.1 1 10 100 c , t o t al c a p a c i t an c e (p f ) t v , dc reverse voltage (v) fig. 3 total capacitance vs. reverse voltage r 0 0.5 1.0 25 50 75 100 125 150 i, ave r a g e f o r wa r d c u r r e n t (a) f(av) t , terminal temperature (oc) fig. 4 forward current derating curve t 1.5 2.0 2.5 20 30 40 50 1612 8 42 4 20 3228 36 40 t , de r a t ed ambie n t t em p e r a t u r e ( c ) a v , dc reverse voltage (v) fig. 5 operating temperature derating (b240) r 60 70 80 120 130 100 110 150 140 160 0 note 5 90 0 10 20 30 40 50 11 01 0 0 i, p eak f o r wa r d s u r g e c u r r en t (a) fsm number of cycles at 60 hz fig. 6 max non-repetitive peak forward surge current 5. device mounted on fr-4 pc board with minimum recommended pad layout pattern as per http:// www.diodes.com/datasheets/ap02001. pdf. package outline dimensions smb dim min max a 3.30 3.94 b 4.06 4.57 c 1.96 2.21 d 0.15 0.31 e 5.00 5.59 g 0.05 0.20 h 0.76 1.52 j 2.00 2.50 all dimensions in mm sma dim min max a 2.29 2.92 b 4.00 4.60 c 1.27 1.63 d 0.15 0.31 e 4.80 5.59 g 0.05 0.20 h 0.76 1.52 j 2.01 2.30 all dimensions in mm a b c d g h e j
b220/a - b260/a document number: ds13004 rev. 18 - 2 4 of 4 www.diodes.com september 2011 ? diodes incorporated b220/a - b260/a suggested pad layout 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, enhancements, 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 any product described herein; neither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user 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 com ponents 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 ? 2011, diodes incorporated www.diodes.com smb dimensions value (in mm) z 6.7 g 1.8 x 2.3 y 2.5 c 4.3 sma dimensions value (in mm) z 6.5 g 1.5 x 1.7 y 2.5 c 4.0
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