plw2.8 low capacitance tvs component 1 05184.r5 4/09 www.protekdevices.com applications ? ethernet - 10/100/1000 base t ? cellular phones ? personal digital assistant (pda) ? usb interfaces iec compatibility (en61000-4) ? 61000-4-2 (esd): air - 15kv, contact - 8kv features ? unidirectional configuration ? protects one unidirectional line ? low leakage current < 1.0a ? low capacitance: 6pf typical ? rohs compliant mechanical characteristics ? molded eiaj sc-79 package ? weight 2 milligrams (approximate) ? available lead-free pure-tin plating (annealed) ? solder reflow temperature: pure-tin - sn, 100: 260-270cy ? flammability rating ul 94v-0 ? 8mm tape and reel per eia standard 481 ? device marking: marking code & polarity band (unidirectional only) 05184 sc-79 pin configuration
2 05184.r5 4/09 www.protekdevices.com plw2.8 device characteristics maximum ratings @ 25c unless otherwise specified peak pulse power (t p = 8/20s) - see figure 1 peak pulse current (t p = 8/20s) operating temperature symbol value -55 to 150 c c -55 to 150 a watts units 50 t a i pp p pp parameter storage temperature 5 t stg electrical characteristics per line @ 25c unless otherwise specified part number device marking code rated stand-off voltage v wm volts minimum breakdown voltage @ 1ma v (br) volts minimum snap back voltage @ i sb = 50ma v sb volts plw2.8 p 2.8 3.0 2.8 5.0 typical capacitance @0v, 1mhz c pf 16 maximum clamping voltage (see fig. 2) @i p = 1a v c volts maximum leakage current @v wm i d a 0 5 10 15 20 25 30 figure 2 pulse wave form figure 1 peak pulse power vs pulse time 0.01 1 10 100 1,000 10,000 t d - pulse duration - s t - time - s 0 20 40 60 80 100 120 i pp - peak pulse current - % of i pp test waveform parameters t f = 8s t d = 20s t f peak value i pp e -t t d = t i pp /2 1 10 100 1,000 p pp - peak pulse current - watts 50w, 8/20s waveform
3 05184.r5 4/09 www.protekdevices.com plw2.8 sc-79 package outline & dimensions copyright ? prot ek devices 2007 specifications: protek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except jedec). design changes: protek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer?s and that in furnishing engineering and technical assistance, protek assumes no responsibility with respect to the s election or specifications of such products. protek devices 2929 south fair lane, tempe, az 85282 tel: 602-431-8101 fax: 602-431-2288 e-mail: sales@protekdevices.com web site: www.protekdevices.com notes 1. controlling dimensions in millimeters. 2. dimensions are exclusive of mold flash and metal burrs. package outline sc79 package mounting pad a b c d e f dim min max min max millimeters inches package dimensions 0.049 0.035 0.066 0.028 0.008 0.043 0.028 0.059 0.020 0.003 1.10 0.70 1.50 0.50 0.08 1.30 0.90 1.70 0.70 0.20 0.012 bse 0.30 bse
tape & reel ordering nomenclature 1. surface mount product is taped and reeled in accordance with eia-481. 2. suffix-t7 = 7 inch reel - 3,000 pieces per 8mm tape , i.e., plw2.8-t7. 3. suffix-lf = lead-free, pure tin plating, i.e., plw2.8-lf-t7. ! "#$$% ! % && ' ( )# ! !&*+ !& ,&+! + -. &+ . / tape & reel specifications (dimensions in millimeters) d e p0 tmax fp2 w 1.50 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05 p 4.00 0.10 0.25 a0 b0 k0 reel dia. tape width 178mm (7?) 8mm 1.00 0.10 1.95 0.05 0.75 0.05 outline & dimensions: rev 2 - 9/05, 06037
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