ds30100 rev. 9 - 2 1 of 2 BAT42WS / bat43ws www.diodes.com diodes incorporated BAT42WS / bat43ws surface mount schottky barrier diode features low forward voltage drop fast switching ultra-small surface mount package also available in lead free version case: sod-323, plastic case material - ul flammability rating classification 94v-0 moisture sensitivity: level 1 per j-std-020a leads: solderable per mil-std-202, method 208 also available in lead free plating (matte tin finish). please see ordering information, note 4, on page 2 BAT42WS marking: s7 bat43ws marking: s8 polarity: cathode band weight: 0.004 grams (approx.) mechanical data a b c d e g h j characteristic symbol BAT42WS / bat43ws unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 30 v rms reverse voltage v r(rms) 21 v forward continuous current (note 1) i fm 200 ma repetitive peak forward current (note 1) @ t < 1.0s i frm 500 ma non-repetitive peak forward surge current @ t < 10ms i fsm 4.0 a power dissipation (note 1) p d 200 mw thermal resistance junction to ambient air (note 1) r ja 625 c/w operating and storage temperature range t j ,t stg -55 to +125 c maximum ratings @ t a = 25 c unless otherwise specified characteristic symbol min max unit test condition reverse breakdown voltage (note 2) v (br)r 30 v i r = 100 a forward voltage drop (note 2) both types BAT42WS BAT42WS bat43ws bat43ws v f 0.26 1.0 0.40 0.65 0.33 0.45 v i f = 200ma i f = 10ma i f = 50ma i f = 2.0ma i f = 15ma reverse current (note 2) i r 500 100 na a v r = 25v v r = 25v, t j = 100 c total capacitance c t 10 pf v r = 1.0, f = 1.0mhz reverse recovery time t rr 5.0 ns i f = i r = 10ma, i rr = 0.1 x i r ,r l = 100 electrical characteristics @ t a = 25 c unless otherwise specified notes: 1. part mounted on fr4 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. sod-323 dim min max a 2.30 2.70 b 1.60 1.80 c 1.20 1.40 d 1.05 typical e 0.25 0.35 g 0.20 0.40 h 0.10 0.15 j 0.05 typical 0 8 all dimensions in mm
ds30100 rev. 9 - 2 2 of 2 BAT42WS / bat43ws www.diodes.com 10 0 20 30 40 v , instantaneous reverse voltage (v) r fi g .3 t y pical reverse characteristics t = 125oc a t = 75oc a t = 25oc a 100 10 1.0 0.1 0.01 1000 0.1 1.0 10 100 0 200 400 600 800 i , instantaneous forward current (ma) f v , instantaneous forward voltage (mv) f fi g .2 t y pical forward characteristics t = -25oc a t = 25oc a t = 125oc a t = 75oc a 0 0 20 40 25 50 75 100 125 150 i , average rectified current (ma) o t , ambient temperature ( c) a fi g . 1 forward current deratin g curve 60 80 100 t=125 c j 1.0 10 100 015 10 25 30 35 20 40 c , total capacitance (pf) t v , reverse voltage (v) r fi g . 4 total capacitance vs. reverse volta g e 5.0 t=25 c j f=1mhz notes: 3. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 4. for lead free version (with lead free terminal finish) part number, please add "-f" suffix to part number above. example: bat43ws-7-f. device packaging shipping BAT42WS-7 bat43ws-7 sod-323 3000/tape & reel ordering information (note 3) marking information xx xx = product type marking code see sheet 1
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