cd1408-fu1200~fu1800 ?surface mount rectifier diode *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. features lead free device (rohs compliant*) low profile low power loss, high efficiency ul 94v-0 classification applications high frequency switching power supplies inverters free wheeling polarity protection general information the markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop increasingly smaller electronic components. bourns offers rectifier diodes for rectification applications, in compact chip package 1408 size format (compatible with sod87, sod123 formats), which offers pcb real estate savings and are considerably smaller than most competitive parts. the glass passivated rectifier diodes offer a forward current of 1 a with a choice of repetitive peak reverse voltage of 200 v up to 800 v, with a 35 ns maximum recovery time. bourns chip diodes conform to jedec standards, are easy to handle on standard pick and place equipment and their flat configuration minimizes roll away. *rohs compliant tin plated connectors frp substrate and epoxy underfill electrical characteristics (@ t a = 25 ? unless otherwise noted) thermal characteristics (@ t a = 25 ? unless otherwise noted) parameter symbol cd1408-fu1200~fu1800 unit operating temperature range t j -65 to +175 ? storage temperature range t stg -65 to +175 ? parameter symbol cd1408- unit fu1200 fu1400 fu1600 fu1800 maximum repetitive peak reverse voltage v rrm 200 400 600 800 v maximum rms voltage v rms 140 280 420 560 v maximum dc blocking voltage v dc 200 400 600 800 v max. average forward rectified current 1 i (av) 1.0 a dc reverse current @ rated dc blocking voltage (@t a = 25 ?) i r 2.0 5.0 a dc reverse current @ rated dc blocking voltage (@t a = 125 ?) i r 50.0 a dc reverse current @ rated dc blocking voltage (@t a = 150 ?) i r 50.0 a typical junction capacitance 2 c j 10 pf instantaneous forward voltage @ i f = 1 a v f 0.93 1.05 1.25 2.50 v maximum reverse recovery time 3 t rr 35 ns peak forward surge current 8.3 ms single half sine-wave superimposed on rated load i fsm 30.0 25.0 a (jedec method) typical thermal resistance rj-a 80 ?/watt typical thermal resistance rj-l 40 ?/watt notes: 1 see forward derating curve. 2 measured @ 1.0 mhz and applied reverse voltage of 4.0 vdc. 3 reverse recovery test condition: if = 0.5 a, ir = 1.0 a, irr = 0.25 a
cd1408-fu1200~fu1800 ?surface mount rectifier diode recommended footprint how to order cd 1408 - fu 1 400 common code cd = chip diode package 1408 = ~0.14 x 0.08 ? function fu = ultra fast rectifier forward current i (av) 1 = 1 a reverse voltage 200 = 200 v 400 = 400 v 600 = 600 v 800 = 800 v cd1408-fu1200.................................................................... b1 fud CD1408-FU1400.................................................................... b1 fug cd1408-fu1600.................................................................... b1 fuj cd1408-fu1800.................................................................... b1 fuk typical part marking product dimensions this is a lead free product, packaged with frp substrate and is epoxy underfilled. the terminals are pure tin plated and are solderable per mil-std-750, method 2026. the package weighs approximately 0.02 g. the package and dimensions are shown below. the device will mount onto existing jedec sod-87 footprint. 3.2 - 3.60 (0.126 - 0.142) 1.70 - 2.10 (0.067 - 0.083) 0.95 - 1.35 (0.037 - 0.053) 0.50 - 0.90 (0.020 - 0.035) 0.50 - 0.90 (0.020 - 0.035) 0.40 (0.016) r mm (inches) dimensions: specifications are subject to change without notice. customers should verify actual device performance in their specific applications. b1 fud
cd1408-fu1200~fu1800 ?surface mount rectifier 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 mm (inches) dimensions: devices are packed in accordance with eia standard rs-481-a and specifications shown here. item symbol 1408 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 3,000 specifications are subject to change without notice. customers should verify actual device performance in their specific applications.
cd1408-fu1200~fu1800 ?surface mount rectifier diode specifications are subject to change without notice. customers should verify actual device performance in their specific applications. performance graphs 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 03/07 forward current derating curve maximum non-repetitive surge current typical forward characteristics typical reverse characteristics lead temperature (c) 75 150 175 125 0 50 100 200 60 hz resistive or inductive load average forward current (amps) 1.50 0.25 0.50 0.75 1.00 1.25 0 30 5 10 15 25 20 0 peak forward surge current (amps) 110100 number of cycles at 60 hz pulse width 8.3 ms single half sine-wave (jedec method) 0.4 1.2 2.0 2.4 1.6 0.8 instantaneous forward voltage (volts) 10.00 1.00 0.10 0.01 instantaneous forward current (amps) pulse width = 300 s 1 % duty cycle 0.1 100 1 10 instantaneous reverse leakage current (a) 0 20 40 60 80 110 100 percent of rated peak reverse voltage (%) tj = 25 c tj = 125 c tj = 150 c typical junction capacitance 200 100 60 40 20 1 10 6 4 2 junction capacitance (pf) 0.1 40 20 4 2 0.4 0.2 10 1.0 100 reverse voltage (volts) t j = 25 c
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