bss138 document number: ds30144 rev. 21 - 2 1 of 5 www.diodes.com august 2017 ? diodes incorporated bss138 n - channel enhancement mode mosfet features ? low on - resistance ? low gate threshold voltage ? low input capacitance ? fast switching speed ? low input/output leakage ? totally lead - free & fully rohs c ompliant (note s 1 & 2 ) ? halogen and antimony free. green device (note 3 ) ? qualified to aec - q101 standards for high reliability ? ppap capable (note 4) mechanical data ? case: sot23 ? case material: molded plastic. ul flammability classification rating 94v - 0 ? moisture sensitivity: level 1 per j - std - 020 ? terminals: matte tin finish a nnealed over alloy 42 l eadframe (lead free plating). solderable per mil - std - 202, method 208 ? terminal connections: see diagram ? weight: 0.008 grams ( a pproximate) ordering information (note 5 ) part number qualification case packaging bss138 - 7 - f commercial sot23 3000/tape & reel bss138 - 13 - f commercial sot23 10 000/tape & reel bss138 q - 7 - f automotive sot23 3000/tape & reel note s: 1 . no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant 2. see http://www.diodes.com/quality/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, "green" and lead - f ree . 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. 4. automotive products are aec - q101 qualified and are ppap capable. automotive, aec - q101 and standard products are electrically and thermally the same, except where specified. for more information, please refer to http://www.diodes.com/product_compliance_definitions.html . 5 . for packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes - packaging/ . marking information date code key year 1998 1999 2000 2002 2016 2017 2018 201 9 20 20 20 21 20 22 20 23 20 24 20 25 code j k l 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 sot23 t op view equivalent circuit t op view k 38 = product type marking code ym = date code marking for sat (shanghai assembly/ test s ite) m = date code marking for cat (chengdu assembly/ test s ite) y or = year (ex: e = 20 1 7 ) m = month (ex: 9 = september) shanghai a/t site chengdu a/t site d g s source gate drain e3
bss138 document number: ds30144 rev. 21 - 2 2 of 5 www.diodes.com august 2017 ? diodes incorporated bss138 maximum ratings (@ t a = +25c, unless otherwise specified.) characteristic symbol value unit drain - source voltage v dss 50 v drain - gate voltage r gs ? ? dgr 50 v gate - source voltage continuous v gss ? ? ? ? d 200 ma pulsed drain current ( 10s dm 1 a thermal characteristics (@ t a = +25c, unless otherwise specified.) characteristic symbol value unit power dissipation (note 6 ) p d 300 mw thermal resistance, junction to ambient (note 6 ) r ? ja 417 ? j , t stg - 55 to +150 ? electrical characteristics (@ t a = +25c, unless otherwise specified.) characteristic symbol min typ max unit test condition off characteristics (note 7 ) drain - source breakdown voltage bv dss 50 75 ? gs = 0v, i d = 250 ? dss ? ? ds = 50v, v gs = 0v gate - body leakage i gss ? ? ? gs = ? ds = 0v on characteristics (note 7 ) gate threshold voltage v gs (th) 0.5 1.2 1.5 v v ds = v gs , i d = 250 ? ds (on) ? ? gs = 10v, i d = 0.22a forward transconductance g fs 100 ? ? ds = 25v, i d = 0.2a, f = 1.0khz dynamic characteristics input capacitance c iss ? ? ds = 10v, v gs = 0v, f = 1.0mhz output capacitance c oss ? ? rss ? ? switching characteristics turn - on delay time t d(on) ? ? dd = 30v, i d = 0.2a, r gen = 50 ? d(off) ? ? notes: 6 . device mounted on fr - 4 pcb 1.0 x 0.75 x 0.062 inch pad layout as shown on diodes incorporateds suggested pad layout , which can be found on our website at http://www.diodes.com/package - outlines.htm l . 7 . short duration pulse test used to minimize self - heating effect. t j = 25 c 0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 9 1 2 3 4 5 6 7 8 i , d r a i n - s o u r c e c u r r e n 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 1 1.5 0.5 2 3.5 4 4.5 2.5 3 i , d r a i n - s o u r c e c u r r e n t ( a ) d -55 c 150 c 25 c v = 1v ds
bss138 document number: ds30144 rev. 21 - 2 3 of 5 www.diodes.com august 2017 ? diodes incorporated bss138 junction temperature t j , junction temperature ( c) t j , junction temperature ( c) i d = 250a 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 , n o r m a l i z e d d r a i n - s o u r c e o n - r e s i s t a n c e ( ) d s ( o n ) ? v , g a t e t h r e s h o l d v o l t a g e ( v ) g s ( t h ) t , junction temperature ( C ) fig. 4 gate threshold variation vs. ambient temperature j 0 0.4 0.8 1.2 1.6 2.0 2.4 -50 -25 0 25 50 75 100 125 150 i = 1ma d i = 250 A d 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 0.16 0.14 0.12 0.1 150 c 25 c v = 2.5v gs -55 c r , d r a i n - s o u r c e o n - r e s i s t a n c e ( ) d s ( o n ) ? 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 a i n - s o u r c e o n - r e s i s t a n c e ( ) d s ( o n ) ? 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 a i n - s o u r c e o n - r e s i s t a n c e ( ) d s ( o n ) ? 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 a i n - s o u r c e o n - r e s i s t a n c e ( ) d s ( o n ) ?
bss138 document number: ds30144 rev. 21 - 2 4 of 5 www.diodes.com august 2017 ? diodes incorporated bss138 package outline dimensions please see http://www.diodes.com/package - outlines.html for the latest version. sot23 dim min max typ a 0.37 0.51 0.40 b 1.20 1.40 1.30 c 2.30 2.50 2.40 d 0.89 1.03 0.915 f 0.45 0.60 0.535 g 1.78 2.05 1.83 h 2.80 3.00 2.90 j 0.013 0.10 0.05 k 0.890 1.00 0.975 k1 0.903 1.10 1.025 l 0.45 0.61 0.55 l1 0.25 0.55 0.40 m 0.085 0.150 0.110 a 0 8 -- all dimensions in mm suggested pad layout please see http://www.diodes.com/package - outlines.html for the latest version. dimensions value (in mm) c 2.0 x 0.8 x1 1.35 y 0.9 y1 2.9 c iss c r ss c o ss i , d i o d e c u r r e n 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 1 1.2 150 c -55 c 25 c c , c a p a c i t a n 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 j k1 k l1 gauge plane 0.25 h l m all 7 a c b d g f a x y y1 c x1
bss138 document number: ds30144 rev. 21 - 2 5 of 5 www.diodes.com august 2017 ? diodes incorporated bss138 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 reserve the right to make modifications, enhancements, improvements, corrections or other c hanges without further notice to this document and any product described 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 unde r its patent or trademark rig hts, nor the rights of others. any customer or user of this document or products described herein 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 diod es incorporated website, harmless against all damages. diodes incorporated do es not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized a pplication. products described herein may be covered by one or more united states, internation al or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. th is document is written in english but may be translated into mul tiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or s ystems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided i n 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 device or system whose failure to perform can be reasonably expe cted to cause the failure of the life support device or to affect its safety or effectiven ess. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support d evices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related re quirements concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may be pr ovided by diodes incorporated. further, customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 2017 , diodes incorpora ted www.diodes.com
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