*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-r350~r31000 glass passivated rectifiers features lead free as standard rohs compliant* glass passivated chip low reverse leakage current low forward voltage drop high current capability general information electrical characteristics (@ t a = 25 ? unless otherwise noted) thermal characteristics (@ t a = 25 ? unless otherwise noted) notes: 1 see forward derating curve. 2 measured @ 1.0 mhz and applied reverse voltage of 4.0 vdc. 3 thermal resistance from junction to ambient and from junction to lead p.c.b. mounted on 0.2 ? x 0.2 ? (5.0 mm x 5.0 mm) copper pad areas. the markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop increasingly smaller electronic components. bourns offers glass passivated rectifiers for rectification applications, in compac t chip do-214aa (smb) size format, which offer pcb real estate savings and are considerably smaller than most competitive parts. the g lass passivated rectifier diodes offer a forward current of 3.0 a with a choice of repetitive peak reverse voltage of 50 v up to 100 0 v. bourns chip diodes conform to jedec standards, are easy to handle on standard pick and place equipment and their flat configuration minimizes roll away. parameter symbol cd214b-r350~r31000 unit operating temperature range t j -65 to +175 ? storage temperature range t stg -65 to +175 ? parameter symbol cd214b- unit r350 r3100 r3200 r3400 r3600 r3800 r31000 maximum repetitive peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v max. average forward rectified current 1 i (av) 3.0 a dc reverse current @ rated dc blocking voltage (@t j = 25 ?) i r 5.0 ? dc reverse current @ rated dc blocking voltage (@t j = 125 ?) i r 50 ? typical junction capacitance 2 c j 40 pf maximum instantaneous forward voltage @ 1 a v f 1.0 v typical thermal resistance 3 r jl 13 ?/w peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) i fsm 115 a *rohs compliant
*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-r350~r31000 glass passivated rectifiers product dimensions a b d e f g h c how to order cd 214b - r 3 50 common code chip diode package ?214b = smb/do-214aa model r = glass pasivated rectifiers forward current i (av) 3 = 3 a reverse voltage 50 = 50 v 100 = 100 v 200 = 200 v 400 = 400 v 600 = 600 v 800 = 800 v 1000 = 1000 v dimensions a 4.06 - 4.57 (0.167 - 0.187) b 3.30 - 3.94 (0.130 - 0.150) c 1.96 - 2.21 (0.075 - 0.087) d 2.01 - 2.62 (0.079 - 0.096) e 0.76 - 1.52 (0.039 - 0.055) f 5.21 - 5.59 (0.197 - 0.236) g 0.05 - 0.20 (0.00196 - 0.00787) h 0.15 - 0.31 (0.006 - 0.016) this is a lead free product. it is a molded plastic package. a cathode band indicates the polarity. the package weighs approximately 0.064 g. the package and dimensions are shown below. mm (inches) dimensions: a c b recommended pad layout 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:
*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-r350~r31000 glass passivated rectifiers rating and characteristic curves forward current derating curve 2.00 1.25 1.50 1.00 0.75 0.50 0.25 50 150 125 025 100 75 175 average forward current (amps) lead temperature (c) single phase half wave 60 hz resistive or inductive load non-repetitive surge current 100 60 80 40 20 0 1 10 100 peak forward surge current (amps) number of cycles at 60 hz pulse width 8.3 ms single half sine-wave (jedec method) forward characteristics 10 1.0 0.1 .01 0.4 0.6 1.2 0.8 1.4 1.0 1.6 instantaneous forward current (amps) instantaneous forward voltage (volts) pulsewidth: 300 s 1% duty cycle reverse characteristics 0.1 1.0 10 100 0 20 40 60 80 100 110 instantaneous reverse leakage current (ma) percent of rated peak reverse voltage (%) tj = 125 c tj = 25 c tj = 150 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. 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 packaging information copyright? 2005, bourns, inc. litho in u.s.a. ipa0501 10/05 cd214b-r350~r31000 glass passivated rectifiers the surface mount product is packaged in an 8 mm x 4 mm tape and reel format per eia-481 standard. ....... ....... ....... ....... ....... ....... ....... ....... 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 mm (inches) dimensions: item symbol do-214aa (smb) carrier width a 1.90 ?.10 (0.075 - 0.004) carrier length b 4.30 ?.10 (0.169 - 0.004) carrier depth c 1.80 ?.10 (0.071 - 0.004) sprocket hole d 1.55 ?.05 (0.061 - 0.002) reel outside diameter d 178 (7.008) reel inner diameter d 1 80.0 (3.150) min. feed hole diameter d 2 13.0 ?.20 (0.512 - 0.008) sprocket hole position e 1.75 ?.10 (0.069 - 0.004) punch hole position f 3.50 ?.05 (0.138 - 0.002) punch hole pitch p 4.00 ?.10 (0.157 - 0.004) sprocket hole pitch p 0 4.00 ?.10 (0.157 - 0.004) embossment center p 1 2.00 ?.05 (0.079 - 0.002) overall tape thickness t 0.20 ?.10 (0.008 - 0.004) tape width w 8.00 ?.20 (0.315 - 0.008) reel width w 1 13.5 (0.531) max. quantity per reel 2,500
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