lead-free green ds30264 rev. 6 - 2 1 of 3 bas21t www.diodes.com diodes incorporated bas21t surface mount fast switching diode case: sot-523 case material: molded plastic, "green" molding compound, note 5. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminals: solderable per mil-std-202, method 208 lead free plating (matte tin finish annealed over alloy 42 leadframe) polarity: see diagram marking: t3 (see page 2) weight: 0.002 grams (approximate) mechanical data a m j l d b c h k g n features maximum ratings @ t a = 25 c unless otherwise specified electrical characteristics @ t a = 25 c unless otherwise specified ultra-small surface mount package fast switching speed for general purpose switching applications high conductance lead free/rohs compliant (note 3) "green" device, note 4 and 5 characteristic symbol value unit repetitive peak reverse voltage v rrm 250 v working peak reverse voltage dc blocking voltage v rwm v r 200 v rms reverse voltage v r(rms) 141 v forward continuous current (note 1) i fm 400 ma average rectified output current (note 1) i o 200 ma non-repetitive peak forward surge current @ t = 1.0 s @ t = 1.0s i fsm 2.5 0.5 a repetitive peak forward surge current i frm 625 ma power dissipation (note 1) p d 150 mw thermal resistance junction to ambient (note 1) r ja 833 c/w operating and storage temperature range t j ,t stg -65 to +150 c characteristic symbol min max unit test condition reverse breakdown voltage (note 2) v (br)r 250 v i r = 100 a forward voltage v f 1.0 1.25 v i f = 100ma i f = 200ma reverse current @ rated dc blocking voltage (note 2) i r 100 15 na a t j = 25 c t j = 100 c total capacitance c t 5.0 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 sot-523 dim min max typ a 0.15 0.30 0.22 b 0.75 0.85 0.80 c 1.45 1.75 1.60 d 0.50 g 0.90 1.10 1.00 h 1.50 1.70 1.60 j 0.00 0.10 0.05 k 0.60 0.80 0.75 l 0.10 0.30 0.22 m 0.10 0.20 0.12 n 0.45 0.65 0.50 0 8 all dimensions in mm 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. 2. short duration test pulse used to minimize self-heating effect. 3. no purposefully added lead. 4. diodes inc.'s "green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 5. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufact ured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants.
month jan feb march apr may jun jul aug sep oct nov dec code 1234567 89 o nd ds30264 rev. 6 - 2 2 of 3 bas21t www.diodes.com 0.001 0.01 0.1 1 0 0.4 0.2 0. 6 i , instantaneous forward current (a) f v , instantaneous forward voltage (v) fi g .1 t y pical forward characteristics f 0.8 1.2 1.0 1.4 t = 0oc a t = 150oc a t = -40oc a t = 25oc a t = 75oc a t = 125oc a device packaging shipping BAS21T-7-F sot-523 3000/tape & reel ordering information (note 5 & 6) date code key t3 = product type marking code ym = date code marking y = year (ex: n = 2002) m = month (ex: 9 = september) t3ym marking information 0.0001 0.01 0.001 0.1 1 10 100 0 50 100 200 150 250 v , instantaneous reverse voltage (v) fi g .2 t y pical reverse characteristics r t = -40oc a t = 25oc a t = 75oc a t = 125oc a t = 150oc a t = 0oc a 0 100 200 200 150 50 100 0 t , ambient temperature ( c) fi g . 4 power deratin g curve, total packa g e a p , power dissipation (mw) d 0.0 0.5 1.0 1.5 3.5 3.0 2.5 2.0 4. 0 0 10 20 40 30 c , total capacitance (pf) t v , reverse voltage (v) fi g .3 t y pical capacitance vs. reverse volta g e r f = 1.0mhz notes: 5. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product man ufactured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants. 6. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 code mnprstu vwx y z
ds30264 rev. 6 - 2 3 of 3 bas21t www.diodes.com important notice life support diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes witho ut further notice to any product herein. diodes incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on our website, harmless against all damages. diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written appr oval of the president of diodes incorporated.
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