bss138 document number: ds30144 rev. 13 - 2 1 of 4 www.diodes.com may 2008 ? diodes incorporated bss138 n-channel enhancement mode field effect transistor features ? low on-resistance ? low gate threshold voltage ? low input capacitance ? fast switching speed ? low input/output leakage ? lead, halogen and antimony free, rohs compliant "green" device (notes 3 and 4) ? qualified to aec-q101 standards for high reliability mechanical data ? case: sot-23 ? case material: molded plastic. 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). ? terminal connections: see diagram ? marking information: see page 3 ? ordering information: see page 3 ? weight: 0.008 grams (approximate) sot-23 top view e q uivalent circuit source gate drain d g s top view maximum ratings @t a = 25c unless otherwise specified characteristic symbol value units drain-source voltage v dss 50 v drain-gate voltage r gs 20k v dgr 50 v gate-source voltage continuous v gss 20 v drain current continuous i d 200 ma thermal characteristics @t a = 25c unless otherwise specified characteristic symbol value units power dissipation (note 1) p d 300 mw thermal resistance, junction to ambient (note 1) r ja 417 c/w operating and storage temperature range t j , t stg -55 to +150 c electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min typ max unit test condition off characteristics (note 2) drain-source breakdown voltage bv dss 50 75 ? v v gs = 0v, i d = 250 a zero gate voltage drain current i dss ? ? 0.5 a v ds = 50v, v gs = 0v gate-body leakage i gss ? ? 100 na v gs = 20v, v ds = 0v on characteristics (note 2) gate threshold voltage v gs(th) 0.5 1.2 1.5 v v ds = v gs , i d = 250 a static drain-source on-resistance r ds (on) ? 1.4 3.5 v gs = 10v, i d = 0.22a forward transconductance g fs 100 ? ? ms v ds = 25v, i d = 0.2a, f = 1.0khz dynamic characteristics input capacitance c iss ? ? 50 pf output capacitance c oss ? ? 25 pf reverse transfer capacitance c rss ? ? 8.0 pf v ds = 10v, v gs = 0v, f = 1.0mhz switching characteristics turn-on delay time t d(on) ? ? 20 ns turn-off delay time t d(off) ? ? 20 ns v dd = 30v, i d = 0.2a, r gen = 50 notes: 1. device mounted on fr-5 pc b 1.0 x 0.75 x 0.062 inch pad layout as sh own on diodes, inc. suggested pad layout ap02001 , which can be found on our website at http:// www.diodes.com/dat asheets/ap02001.pdf. 2. short duration pulse test used to minimize self-heating effect. 3. no purposefully added lead. halogen and antimony free. 4. product manufactured with data code v9 (week 33, 2008) and newer are built with green molding compound. product manufactur ed prior to date code v9 are built with non-green molding compound and may contain halogens or sb 2 o 3 fire retardants.
bss138 0 0.1 0.2 0.3 0.4 0.5 0.6 01 bss138 document number: ds30144 rev. 13 - 2 2 of 4 www.diodes.com may 2008 ? diodes incorporated 0 9 1 2 345678 i, d r ain-s o u r c e c u r r en t (a) d v , drain-source voltage (v) fig. 1 drain-source current vs. drain-source voltage ds t = 25 c j v = 3.5v gs v = 3.25v gs v = 3.0v gs v = 2.75v gs v = 2.5v gs 0 v , gate-source voltage (v) fig. 2 transfer characteristics gs 0.1 0.2 0.3 0.5 0.4 0.6 0.7 0.8 0 11.5 0.5 23 . 5 4 4.5 2.5 3 i, d -55 c 150 c 25 c v = 1v ds r ai n -s o u r c e c u r r e n t (a) d 0 0.2 0.4 0.6 0.8 1 1.4 1.2 2 1.8 1.6 -55 -25 v, g a t e t h r es h o ld v o l t a g e (v) gs(th) t , junction temperature (c) fig. 4 gate threshold voltage vs. junction temperature j i = 1.0ma d 5356595125 155 0.65 t , junction temperature (c) fig. 3 drain-source on-resistance vs. junction temperature j 0.85 1.05 1.25 1.65 1.45 1.85 2.05 2.25 2.45 -55 -5 45 95 145 v = 10v gs v = 4.5v gs i = 0.5a d i = 0.075a d r , normalized drain-source on-resistance ( ) ds(on) 0 i , drain-current (a) fig. 5 drain-source on-resistance vs. drain-current d 1 2 3 4 5 6 7 8 0 0.02 0.04 0.06 0.08 0.160.14 0.12 0.1 150 c 25 c v = 2.5v gs -55 c r , d r ai n - s o u r c e o n - r esis t a n c e ( ) ds(on) 0 i , drain-current (a) fig. 6 drain-source on-resistance vs. drain-current d 1 2 3 5 4 6 7 8 9 0 0.05 0.1 0.2 0.15 0.25 150 c -55 c 25 c v = 2.75v gs r , d r ai n -s o u r c e o n - r esis t a n c e ( ) ds(on)
bss138 0 0.5 1 1.5 2 2.5 3 3.5 0 0.1 0.2 0.3 0.4 0.5 i , drain-current (a) fig. 8 drain-source on resistance vs. drain-current d 150 c -55 c 25 c v = 10v gs r , d r ai n -s o u r c e o n - r esis t a n c e ( ) ds(on) 0 1 2 3 4 5 6 0 0.1 0.2 0.3 0.4 0.5 i , drain-current (a) fig. 7 drain-source on-resistance vs. drain-current d 150 c -55 c 25 c v = 4.5v gs r , d r ain-s o u r c e o n- r esis t an c e ( ) ds(on) i, di o de c u r r en t (a) d 0.001 0.01 0.1 1 v , diode forward voltage (v) fig. 9 body diode current vs. body diode voltage sd 0 0.2 0.4 0.6 0.8 11. 2 150 c -55 c 25 c c , c a p a c i t an c e ( p f ) 1 10 100 v , drain-source voltage (v) fig. 10 capacitance vs. drain-source voltage ds 0 5 10 15 20 25 30 v = 0v f = 1mhz gs c rss c oss c iss ordering information (note 5) part number case packaging bss138 -7-f sot-23 3000/tape & reel notes: 5. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf . marking information k38 ym k38 = product type marking code ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september date code key bss138 document number: ds30144 rev. 13 - 2 3 of 4 www.diodes.com may 2008 ? diodes incorporated year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 code j k l m n p r s t u v w x y z month jan feb mar apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d
bss138 package outline dimensions bss138 document number: ds30144 rev. 13 - 2 4 of 4 www.diodes.com may 2008 ? diodes incorporated suggested pad layout important notice diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to any product herein. diodes incorporat ed 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 paten t 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 inco rporated and all the companies whose products ar e represented on our website, harmless against all damages. life support diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the president of diodes incorporated. a m j l d f b c h k g top view sot-23 dim min max a 0.37 0.51 b 1.20 1.40 c 2.30 2.50 d 0.89 1.03 f 0.45 0.60 g 1.78 2.05 h 2.80 3.00 j 0.013 0.10 k 0.903 1.10 l 0.45 0.61 m 0.085 0.180 0 8 all dimensions in mm x e g y c z dimensions value (in mm) z 3.4 g 0.7 x 0.9 y 1.4 c 2.0 e 0.9
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