*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b-b120 ~ b160 schottky barrier rectifier chip diode features lead free versions available rohs compliant (lead free version)* reverse voltage from 20 to 60 v forward current of 1 a high current capability for use in low voltage high frequency inverters, free wheeling and polarity protection 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 rectifier diodes for rectification applications, in compact chip package do-214aa (smb) size format, whi ch offer pcb real estate savings and are considerably smaller than most competitive parts. the schottky rectifier diodes offer a forward cur rent of 1 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 with standard pick and place equipment and the flat configuration minimizes roll away. reliable electronic solutions asia-pacific: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com electrical characteristics (@ t a = 25 ? unless otherwise noted) absolute ratings (@ t a = 25 ? unless otherwise noted) * measured at 1.0 mhz and applied reverse voltage of 4.0 v dc. ** thermal resistance junction to lead. *rohs compliant versions available parameter symbol cd214b- unit b120 b130 b140 b150 b160 forward voltage (max.) (i f = 2 a) v f 0.5 0.5 0.5 0.7 0.7 v typical junction capacitance* c t 110 pf reverse current (max.) at rated v r ) i r 0.5 ma parameter symbol cd214b- unit b120 b130 b140 b150 b160 repetitive peak reverse voltage v rrm 20 30 40 50 60 v reverse voltage v r 20 30 40 50 60 v maximum rms voltage v rms 14 21 28 35 42 v avg. forward current i o 1 a forward current, surge peak (60 hz, 1 cycle) i surge 30 a typical thermal resistance** r jl 20 ?/w storage temperature t stg -55 to +150 ? junction temperature t j -55 to +125 ?
a c b *rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b-b220 ...................................................................... 120b cd214b-b230 ...................................................................... 130b cd214b-b240 ...................................................................... 140b cd214b-b250 ...................................................................... 150b cd214b-b260 ...................................................................... 160b cd214b-b120 ~ b160 schottky barrier rectifier chip diode product dimensions recommended pad layout physical specifications typical part marking case ............................................................................molded plastic polarity ....................................................indicated by cathode band weight ....................................................0.003 ounces / 0.093 grams dimension smb (do-214aa) a 4.06 - 4.57 (0.160 - 0.180) b 3.30 - 3.94 (0.130 - 0.155) c 1.96 - 2.21 (0.078 - 0.087) d 0.15 - 0.31 (0.006 - 0.112) e 5.21 - 5.59 (0.205 - 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) b g f d c h e a mm (inches) dimensions: dimension smb (do-214aa) a (max.) 2.69 (0.106) b (min.) 2.10 (0.083) c (min.) 1.27 (0.050) mm (inches) dimensions: how to order cd 214b - b 1 30 __ common code chip diode package ?214b = smb/do-214aa model b = schottky barrier series average forward current (i o ) code 1 = 1 a (code x 1000 ma = average forward current) reverse voltage (v r ) code 20 = 20 v 30 = 30 v 40 = 40 v 50 = 50 v 60 = 60 v terminations lf = 100 % sn (lead free) blank = sn/pb
*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b-b120 ~ b160 schottky barrier rectifier chip diode rating and characteristic curves forward current derating curve maximum non-repetitive surge current typical forward characteristics typical junction capacitance typical reverse characteristics 1.00 0.75 0.50 0.25 0.00 20 40 60 80 100 120 140 average forward current (amps) lead temperature (c) single phase half wave 60 hz resistive or inductive load 30 20 10 0 1 2 5 10 20 50 100 peak forward surge current (amps) number of cycles at 60 hz pulse width 8.3 ms single half sine-wave (jedec method) 10 1.0 0.1 .01 00.2 0.4 0.6 0.8 1.0 instantaneous forward current (amps) instantaneous forward voltage (volts) ta = 25 c pulsewidth: 300 s b150 to b160 b120 to b140 1000 100 0 0.1 4.0 10.0 1.0 100 capacitance (pf) reverse voltage (volts) f = 1 mhz t j = 25 c 0.01 0.1 1.0 10 100 0.001 020 40 60 80 100 120 140 instantaneous reverse current (ma) percent of rated peak reverse voltage (%) ta = 100 c ta = 25 c ta = 125 c
*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b-b120 ~ b160 schottky barrier rectifier chip diode packaging information the product will be dispensed in tape and reel format (see diagram below). ....... ....... ....... ....... ....... ....... ....... ....... p a f e t 120 d 2 d d 1 w 1 c index hole p 0 p 1 w b 10 pitches (min.) direction of feed 10 pitches (min.) end trailer device leader start d devices are packed in accordance with eia standard rs-481-a and specifications shown here. mm (inches) dimensions: item symbol smb (do-214aa) carrier width a 4.94 0.10 (0.194 - 0.004) carrier length b 5.57 0.10 (0.219 - 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 330 (12.992) reel inner diameter d 1 50.0 min. (1.969) 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 max. (0.724) quantity per reel -- 3,000 rev. 04/05
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