ds30128 rev. 6 - 2 1 of 3 b140hb www.diodes.com diodes incorporated b140hb 1.0a surface mount schottky barrier rectifier features maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified ultra-low leakage current guard ring die construction for transient protection ideally suited for automatic assembly low power loss, high efficiency surge overload rating to 45a peak available in lead free/rohs compliant version (note 3) mechanical data case: smb case material: molded plastic. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminals: solder plated terminal - solderable per mil-std-202, method 208 also available in lead free plating (matte tin finish). please see ordering information, note 5, on page 2 marking: type number polarity: cathode band or cathode notch mounting position: any weight: 0.093 grams (approximate) single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. 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 0.10 0.20 h 0.76 1.52 j 2.00 2.62 all dimensions in mm a b c d g h e j characteristic symbol b140hb unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage @ i r = 0.1ma v rrm v rwm v r 40 v rms reverse voltage v r(rms) 28 v average rectified output current @ t t = 115 c i o 1.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load i fsm 45 a non-repetitive peak forward surge current 5 s single half sine-wave i fsm 430 a forward voltage @ i f = 1.0a, @ t j = 25 c @ i f = 2.0a, @ t j = 25 c @ i f = 1.0a, @ t j = 125 c @ i f = 2.0a, @ t j = 125 c v fm 0.53 0.70 0.49 0.64 v peak reverse current @ t a = 25 c at rated dc blocking voltage @ t a = 125 c i rm 0.1 4.0 ma typical total capacitance (note 2) c t 80 pf max. voltage rate of change @ rated v r dv/dt 5300 v/ s typical thermal resistance junction to terminal (note 1) r jt 36 c/w operating and storage temperature range t j, t stg -55 to +150 c notes: 1. thermal resistance: junction to terminal, unit mounted on pc board with 5.0 mm 2 (0.013 mm thick) copper pads as heat sink. 2. measured at 1.0mhz and applied reverse voltage of 5.0v dc. 3. rohs revision 13.2.2003. glass and high temperature solder exemptions applied, see eu directive annex notes 5 and 7. t c u d o r p w e n
ds30128 rev. 6 - 2 2 of 3 b140hb www.diodes.com t c u d o r p w e n xxxx = product type marking code, ex: b140hb (smb package) = manufacturers code marking yww = date code marking y = last digit of year ex: 2 for 2002 ww = week code 01 to 52 yww xxx(x) device packaging shipping B140HB-13 smb 3000/tape & reel ordering information (note 4 & 5) notes: 4. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 5. for lead free finish/rohs compliant version part number, please add "-f" suffix to the part number above. example: b140h b-13-f.
ds30128 rev. 6 - 2 3 of 3 b140hb www.diodes.com 0.1 1 10 0.2 0.4 0.6 0.8 1.0 i , instantaneous forward current (a) f v , instantaneous fwd voltage (v) f fi g . 2 t y p. forward characteristics forward voltage drop - v (v) fm t= 1 j 25oc t= j 25oc 15 30 45 60 0 1 10 100 i , peak forward surge current (a) fsm fi g . 3 max non-repetitive peak forward sur g e current number of cycles at 60 hz single half sine-wave (jedec method) t = 150oc j 10 100 1000 0 10 20 40 c , capacitance (pf) t v , reverse voltage (v) r fi g .4 t y pical total capacitance t = 25c j 30 0 10 20 30 40 i , instantaneous reverse current (ma) r v , peak reverse voltage (v) r fi g .5 t y pical reverse characteristics t = 25oc j 10 1 0.1 0.01 0.001 0.0001 t = 100oc j t = 125oc j 0 0.8 1.6 25 50 75 100 125 150 i average forward current (a) o, t , terminal temperature (oc) t fi g . 1 forward current deratin g curve 0.4 1.2 2 . 0 t c u d o r p w e n
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