features rohs compliant* sma package surface mount very low forward voltage drop cd214a-b220 ~ b260 schottky barrier recti er chip diode *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. general information the markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop inc reasingly smaller electronic components. bourns offers schottky recti? er diodes for recti? cation applications, in compact chip package do-214ac (sma) size format, whi ch offer pcb real estate savings and are considerably smaller than competitive parts. the schottky recti? er diodes offer a forward current of 2 a with a choice of repetitive peak reverse voltage of 20 v up to 60 v. bourns ? chip diodes conform to jedec standards, are easy to handle on standard pick and place equipment and their ? at con? guration minimizes roll away. electrical characteristics (@ t a = 25 ? unless otherwise noted) parameter symbol cd214a- unit b220 b230 b240 b240l b250 b260 forward voltage (max.) (l f = 2 a) v f 0.5 0.5 0.5 0.43 0.7 0.7 v typical junction capacitance** c t 200 pf reverse current (max.) at rated v r ) i r 0.5 0.5 0.5 2.0 0.5 0.5 ma *rohs compliant ** measured at 1.0 mhz and applied reverse voltage of 4.0 vdc. absolute ratings (@ t a = 25 ? unless otherwise noted) parameter symbol cd214a- unit b220 b230 b240 b240l b250 b260 repetitive peak reverse voltage v rrm 20 30 40 40 50 60 v reverse voltage v r 20 30 40 40 50 60 v maximum rms voltage v rms 14 21 28 28 35 42 v avg. forward current i o 2a forward current, surge peak (60 hz, 1 cycle) i surge 50 50 50 25 50 50 a typical thermal resistance*** r ?jl 15 15 15 18 15 15 c/w storage temperature t stg -55 to +150 c junction temperature t j -55 to +125 c *** thermal resistance junction to lead. how to order cd 214a - b 2 40 l lf common code chip diode package 214a = sma/do-214ac model b = schottky barrier series average forward current (i o ) code 2 = 2 a (code x 1000 ma = average forward current) reverse voltage (vr) code 30 = 30 v 40 = 40 v 60 = 60 v forward voltage suf? x (applies to -b240l only) l = low forward voltage v f (-b240l only) no space in p/n = not low forward voltage terminations lf = 100 % sn (rohs compliant*) asia-paci c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 emea: tel: +36 88 520 390 ?fax: +36 88 520 211 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com
speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their speci c applications. cd214a-b220 ~ b260 schottky barrier recti er chip diode product dimensions recommended pad layout physical speci cations case ...........................................................................molded plastic polarity.................................................... indicated by cathode band weight .................................................. 0.002 ounces / 0.064 grams dimensions: mm (inches) dimension sma (do-214ac) a 4.06 - 4.57 (0.160 - 0.180) b 2.29 - 2.92 (0.090 - 0.115) c 1.27 - 1.63 (0.050 - 0.064) d 0.15 - 0.31 (0.006 - 0.110) e 4.83 - 5.59 (0.190 - 0.220) f 0.05 - 0.20 (0.002 - 0.008) g 2.01 - 2.62 (0.080 - 0.103) h 0.76 - 1.52 (0.030 - 0.060) dimension sma (do-214ac) a 2.90 (0.114) b 2.40 (0.094) c 2.30 (0.091) dimensions: mm (inches) typical part marking cd214a-b220 ..................................................................... b 220a cd214a-b230 ..................................................................... b 230a cd214a-b240 ..................................................................... b 240a cd214a-b240l ................................................................... b 240la cd214a-b250 ..................................................................... b 250a cd214a-b260 ..................................................................... b 260a b g f d c h e a a c b
0.1 1 10 0.01 forward current (amps) 0.0 0.2 0.4 0.6 0.8 1.0 forward voltage (volts) tj=25 ? pulsewidth 300 s b220 to b240 b250 to b260 100 0.1 1 10 0.001 0.01 reverse current (mamps) 0 20 40 60 80 100 140 percent of rated peak reverse voltage (%) 120 tj=25 ? tj=100 ? tj=125 ? speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. cd214a-b220 ~ b260 schottky barrier recti er chip diode rating and characteristic curves: cd214a-b220, cd214a-b230, cd214a-b240, cd214a-b250 & cd214a-b260 forward characteristics reverse characteristics derating curve capacitance between terminals 2.50 2.00 1.50 1.00 0.50 0.00 25 50 75 100 125 150 average forward current (amps) lead tem p erature ( c ) single phase half wave 60 hz resistive or inductive load 1000 100 200 300 400 500 600 700 800 900 0 020406080100 capacitance (pf) reverse voltage (volts) f = 1 mhz ta = 25 c
cd214a-b220 ~ b260 schottky barrier recti er chip diode speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. rating and characteristic curves: cd214a-b240l forward characteristics reverse characteristics derating curve capacitance between terminals 2.50 2.00 1.50 1.00 0.50 0.00 25 50 75 100 125 150 average forward current (amps) lead temperature ( c) single phase half wave 60 hz resistive or inductive load 0.1 1 10 forward current (amps) 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 forward voltage (volts) c tj=25 ? tj=100 ? tj=125 ? pulsewidth 300 s 1000 100 0.1 1 10 0.01 reverse current (mamps) 0 5 10 15 20 25 35 40 45 rated peak reverse volta g e ( v ) 30 tj=25 ? tj=100 ? tj=125 ? 1000 100 200 300 400 500 600 700 800 900 0 0 20 40 60 80 100 capacitance (pf) reverse voltage (volts) f = 1 mhz ta = 25 c
3312 - 2 mm smd trimming potentiometer speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. cd214a-b220 ~ b260 schottky barrier recti er chip diode packaging information ....... ....... ....... ....... ....... ....... ....... ....... pa f e t 120 d 2 d d 1 w 1 c index hole pin 1 location p 0 p 1 w b 10 pitches (min.) direction of feed 10 pitches (min.) end trailer device leader start d the product is dispensed in tape and reel format (see diagram below). dimensions: mm (inches) item symbol sma (do-214ac) carrier width a 2.90 ?0.10 (0.114 ?0.004) carrier length b 5.59 ?0.10 (0.220 ?0.004) carrier depth c 2.36 ?0.10 (0.093 ?0.004) sprocket hole d 1.55 ?0.05 (0.061 ?0.002) reel outside diameter d 3.30 (12.992) reel inner diameter d 1 50.0 (1.969) min. feed hole diameter d 2 13.0 ?0.20 (0.512 ?0.008) sprocket hole position e 1.75 ?0.10 (0.069 ?0.004) punch hole position f 5.50 ?0.05 (0.217 ?0.002) punch hole pitch p 4.00 ?0.10 (0.157 ?0.004) sprocket hole pitch p 0 4.00 ?0.10 (0.157 ?0.004) embossment center p 1 2.00 ?0.05 (0.079 ?0.002) overall tape thickness t 0.30 ?0.10 (0.012 ?0.004) tape width w 12.00 ?0.20 (0.472 ?0.008) reel width w 1 18.4 (0.724) max. quantity per reel -- 5,000 rev. 09/15 devices are packed in accordance with eia standard rs-481-a and speci cations shown here.
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