cd214b transient voltage suppressor diode series specifications are subject to change without notice. customers should verify actual device performance in their specific applications. features lead free rohs compliant* surface mount smb package standoff voltage: 5.0 to 170 volts power dissipation: 600 watts 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 transient voltage suppressor diodes for surge and esd protection applications, in compact chip package do-214aa ( smb) size format. the transient voltage suppressor series offers a choice of working peak reverse voltage from 5 v up to 170 v and b reakdown voltage up to 200 v. typical fast response times are less than 1.0 ns for unidirectional devices and less than 5.0 ns for bidir ectional devices from 0 v to minimum breakdown voltage. bourns chip diodes conform to jedec standards, are easy to handle with standard pick and place equipment and the flat configuration minimizes roll away. parameter symbol value unit minimum peak pulse power dissipation (t p = 1 ms) (note 1,2) p pk 600 watts peak forward surge current 8.3ms single half sine wave superimposed on rated load i fsm 100 amps (jedec method) (note 3) steady state power dissipation @ t l = 75 ? p m(av) 5.0 watts maximum instantaneous forward voltage @ i pp = 50 a v f (note 5) volts (for unidirectional units only) operating temperature range t j -55 to +150 ? storage temperature range t stg -55 to +175 ? electrical characteristics (@ t a = 25 ? unless otherwise noted) how to order cd 214b - t 5.0 ca lf common code chip diode package 214a = sma/do-214ac 214b = smb/do-214aa 214c = smc/do-214ab model t = transient voltage suppressor series working peak reverse voltage 5.0 = 5.0 v rwm (volts) 170 = 170 v rwm (volts) suffix a = 5 % tolerance device ca = 5 % tolerance bidirectional device terminations lf = 100 % sn (lead free) 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 1. non-repetitive current pulse, per pulse waveform graph and derated above ta = 25 ? per pulse derating curve. 2. thermal resistance junction to lead. 3. 8.3 ms single half-sine wave duty cycle = 4 pulses maximum per minute (unidirectional units only). 4. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20 %. 5. v f = 3.5 v on cd214b-t5.0a through cd214b-t90a and v f = 5.0 v on cd214b-t100a through cd214b-t170a. *rohs compliant *rohs directive 2002/95/ec jan 27 2003 including annex model cd214b is currently available, although not recommended for new designs. model smbj is preferred.
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b transient voltage suppressor diode series electrical characteristics (@t a = 25 ? unless otherwise noted) maximum maximum maximum unidirectional device bidirectional device working peak reverse reverse reverse breakdown voltage reverse leakage voltage surge part part part part v br (volts) voltage @ v rwm @irsm current number marking number marking min. max. @ i t (ma) v rwm (volts) i r (ua) v rsm (volts) i rsm (amps) cd214b-t5.0a ke cd214b-t5.0ca ae 6.40 7.25 10 5.0 800 9.2 65.2 cd214b-t6.0a kg cd214b-t6.0ca ag 6.67 7.67 10 6.0 800 10.3 58.3 cd214b-t6.5a kk cd214b-t6.5ca ak 7.22 8.30 10 6.5 500 11.2 53.6 cd214b-t7.0a km cd214b-t7.0ca am 7.78 8.95 10 7.0 200 12.0 50.0 cd214b-t7.5a kp cd214b-t7.5ca ap 8.33 9.58 1.0 7.5 100 12.9 46.5 cd214b-t8.0a kr cd214b-t8.0ca ar 8.89 10.2 1.0 8.0 50 13.6 44.1 cd214b-t8.5a kt cd214b-t8.5ca at 9.44 10.8 1.0 8.5 20 14.4 41.7 cd214b-t9.0a kv cd214b-t9.0ca av 10.0 11.5 1.0 9.0 10 15.4 39.0 cd214b-t10a kx cd214b-t10ca ax 11.1 12.8 1.0 10 5.0 17.0 35.3 cd214b-t11a kz cd214b-t11ca az 12.2 14.4 1.0 11 5.0 18.2 33.0 cd214b-t12a le cd214b-t12ca be 13.3 15.3 1.0 12 5.0 19.9 30.2 cd214b-t13a lg cd214b-t13ca bg 14.4 16.5 1.0 13 5.0 21.5 27.9 cd214b-t14a lk cd214b-t14ca bk 15.6 17.9 1.0 14 5.0 23.2 25.8 cd214b-t15a lm cd214b-t15ca bm 16.7 19.2 1.0 15 5.0 24.4 24.0 cd214b-t16a lp cd214b-t16ca bp 17.8 20.5 1.0 16 5.0 26.0 23.1 cd214b-t17a lr cd214b-t17ca br 18.9 21.7 1.0 17 5.0 27.6 21.7 cd214b-t18a lt cd214b-t18ca bt 20.0 23.3 1.0 18 5.0 29.2 20.5 cd214b-t20a lv cd214b-t20ca bv 22.2 25.5 1.0 20 5.0 32.4 18.5 cd214b-t22a lx cd214b-t22ca bx 24.4 28.0 1.0 22 5.0 35.5 16.9 cd214b-t24a lz cd214b-t24ca bz 26.7 30.7 1.0 24 5.0 38.9 15.4 cd214b-t26a me cd214b-t26ca ce 28.9 32.2 1.0 26 5.0 42.1 14.2 cd214b-t28a mg cd214b-t28ca cg 31.1 35.8 1.0 28 5.0 45.4 13.2 cd214b-t30a mk cd214b-t30ca ck 33.3 38.3 1.0 30 5.0 48.4 12.4 cd214b-t33a mm cd214b-t33ca cm 36.7 42.2 1.0 33 5.0 53.3 11.3 cd214b-t36a mp cd214b-t36ca cp 40 46.0 1.0 36 5.0 58.1 10.3 cd214b-t40a mr cd214b-t40ca cr 44.4 51.1 1.0 40 5.0 64.5 9.3 cd214b-t43a mt cd214b-t43ca ct 47.8 54.9 1.0 43 5.0 69.4 8.6 cd214b-t45a mv cd214b-t45ca cv 50 57.5 1.0 45 5.0 72.7 8.3 cd214b-t48a mx cd214b-t48ca cx 53.3 61.3 1.0 48 5.0 77.4 7.7 cd214b-t51a mz cd214b-t51ca cz 56.7 65.2 1.0 51 5.0 82.4 7.3 cd214b-t54a ne cd214b-t54ca de 60 69 1.0 54 5.0 87.1 6.9 cd214b-t58a ng cd214b-t58ca dg 64.4 74.6 1.0 58 5.0 93.6 6.4 cd214b-t60a nk cd214b-t60ca dk 66.7 76.7 1.0 60 5.0 96.8 6.2 cd214b-t64a nm cd214b-t64ca dm 71.1 81.8 1.0 64 5.0 103 5.8 cd214b-t70a np cd214b-t70ca dp 77.8 89.5 1.0 70 5.0 113 5.3 cd214b-t75a nr cd214b-t75ca dr 83.3 95.8 1.0 75 5.0 121 4.9 cd214b-t78a nt cd214b-t78ca dt 86.7 99.7 1.0 78 5.0 126 4.7 cd214b-t85a nv cd214b-t85ca dv 94.4 109 1.0 85 5.0 137 4.4 cd214b-t90a nx cd214b-t90ca dx 100 116 1.0 90 5.0 146 4.1 cd214b-t100a nz cd214b-t100ca dz 111 128 1.0 100 5.0 162 3.7 cd214b-t110a pe cd214b-t110ca ee 122 140 1.0 110 5.0 177 3.4 cd214b-t120a pg cd214b-t120ca eg 133 153 1.0 120 5.0 193 3.1 cd214b-t130a pk cd214b-t130ca ek 144 165 1.0 130 5.0 209 2.9 cd214b-t150a pm cd214b-t150ca em 167 192 1.0 150 5.0 243 2.5 cd214b-t160a pp cd214b-t160ca ep 178 205 1.0 160 5.0 259 2.3 cd214b-t170a pr cd214b-t170ca er 189 218 1.0 170 5.0 275 2.2 notes: 1. suffix ??denotes a 5 % tolerance device. 3. for bidirectional devices with a v r of 10 volts or less, the i r limit is double. 2. suffix ?a?denotes a 5 % tolerance bidirectional device. 4. for unidirectional devices with a v f max. of 3.5 v at an i f of 35 a, 0.5 sine wave of 8.3 ms pulse width. compliance iec 61000-4-2 esd (min. level 4) iec 61000-4-4 eft iec 61000-4-5 surge
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b transient voltage suppressor diode series product dimensions recommended pad layout physical specifications case ............................................molded plastic per ul class 94v-0 polarity ........................cathode band indicates unidirectional device no cathode band indicates bidirectional device 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 (0.077 - 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 a c b 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:
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b transient voltage suppressor diode series rating and characteristic curves pulse derating curve maximum non-repetitive surge current 100 75 50 25 0 050 25 75 100 150 125 175 200 ambient temperature ( peak pulse derating in percent of peak power or current ?) 10 x 1000 waveform as defined by r.e.a. peak forward surge current (amps) 120 80 100 60 40 20 0 1 2 5 10 20 50 100 number of cycles at 60 hz pulse width 8.3 ms single half sine-wave (jedec method) pulse waveform typical junction capacitance 100 50 0 0 1.0 2.0 3.0 4.0 t, time (ms) i p , peak pulse current (%) ta=25 ? tp tr=10 ? half value= irsm 2 peak value (irsm) pulse width (tp) is defined as that point where the peak current decays to 50 % of ipsm. 10 x 1000 waveform as defined by r.e.a. capacitance (pf) 10000 100 0 0 10 100 1000 standoff voltage (volts) 1000 bidirectional ta = 25 ? unidirectional pulse rating curve steady state power derating curve 100 10 1.0 0.1 0.1 ? 1.0 ? 10 ? 10 ms tp, pulse width p p , peak power (kw) 100 ? 1.0 ms ta = 25 ? non-repetitive pulse waveform shown in pulse waveform graph 5.0 mm lead areas 5.0 3.0 4.0 2.0 1.0 0.0 050 25 75 100 150 125 175 200 tl, lead temperature (?) rm(av) steady state power dissipation (w) 60 hz resistive or inductive load
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. cd214b transient voltage suppressor diode series 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 (0.210 - 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. 03/10
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