ds30021 rev. 2 - 2 1 of 3 b270-b2100 www.diodes.com diodes incorporated b270 - b2100 2.0a high voltage schottky barrier rectifier features maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified schottky barrier chip guard ring die construction for transient protection ideally suited for automatic assembly low power loss, high efficiency surge overload rating to 50a peak for use in low voltage, high frequency inverters, free wheeling, and polarity protection application high temperature soldering: 260 c/10 second at terminal mechanical data case: smb, molded plastic plastic material: ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020a 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 4, on page 2 polarity: cathode band or cathode notch weight: 0.093 grams (approx.) mounting position: any single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. a b c d g h e j characteristic symbol b270 B280 b290 b2100 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 70 80 90 100 v rms reverse voltage v r(rms) 49 56 63 70 v average rectified output current @ t t = 125 c i o 2.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 50 a forward voltage @ i f = 2.0a @ t a = 25 @t a = 100 v fm 0.79 0.69 v peak reverse current @t a = 25 c at rated dc blocking voltage @ t a = 100 c i rm 0.5 15 ma typical total capacitance (note 2) c t 75 pf typical thermal resistance junction to terminal (note 1) r jt 15 c/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1. valid provided that terminals are kept at ambient temperature. 2. measured at 1.0 mhz and applied reverse voltage of 4.0v dc. 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
ds30021 rev. 2 - 2 2 of 3 b270-b2100 www.diodes.com xxxx = product type marking code, ex: b290 (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) notes: 3. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. * x = device type, e.g. b270-13 (smb package). 4. for lead free terminal plating part number, please add "-f" suffix to part number above. example: b250-13-f. device * packaging shipping b2x-13 smb 3000/tape & reel ordering information (note 3 & 4)
ds30021 rev. 2 - 2 3 of 3 b270-b2100 www.diodes.com 0.01 0.1 1.0 10 0 0.2 0.4 0.6 0.8 1.0 i , instantaneous forward current (a) f v , instantaneous forward voltage (v) f fi g .2 t y pical forward characteristics 0 10 20 30 40 50 1 10 100 i , peak forward surge current (a) fsm number of cycles at 60 hz fi g . 3 max non-repetitive peak forward sur g e current single half-sine-wave (jedec method) 10 100 1000 0.1 1 10 100 c , capacitance (pf) t v , reverse voltage (v) r fi g .4 t y pical total capacitance t = 25c j f = 1.0mhz 0 0.5 1.0 25 50 75 100 125 150 i average forward current (a) o, t , terminal temperature ( c) t fi g . 1 forward current deratin g curve 1.5 2.0 2 .5
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