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</o:shapelayout></xml><![endif]--></head><body lang=CS link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Pro RS485 doporuceny typ TBU-CA065-300-WH s Rd typ. 7R6 (marketingove 2x 0.7$). JM<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> hw-list-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz] <b>On Behalf Of </b>Draček Fráček<br><b>Sent:</b> Monday, September 30, 2013 3:53 PM<br><b>To:</b> HW-news<br><b>Subject:</b> Re: Asymmetrical TVS Diode for Extended Common-Mode RS-485?<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><div><p class=MsoNormal>U Farnellu je i pri 100ks jistota dvojnásobku marketingové ceny :-)<o:p></o:p></p></div><p class=MsoNormal>Nevite o jinem prodejci?<o:p></o:p></p></div><p class=MsoNormal>Kdyz jste nakousl TBU , nahodou jsem o TBU take uvazoval, ale nevim. Jeste bych se nechal ukecat na TBU-PL60-100-WH ktera je dvojta a u Farnellu ji maji za cca 8Kc, ale ta ma odpor cca 50Ohm. Pokud budu trvat na doporucenych <20 ohmech jsme hned u TBU-CA60 a tam je to jiz 2x 20 az 2x 38Kc za <br><a href="http://cz.farnell.com/bourns/tbu-ca065-300-wh/surge-protector-tbu-ca-650v-smd/dp/1833394?ref=lookahead">http://cz.farnell.com/bourns/tbu-ca065-300-wh/surge-protector-tbu-ca-650v-smd/dp/1833394?ref=lookahead</a><o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>Asi zustanu u dvou odporu 10 ohm :-)<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>Martin<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>Dne 30. září 2013 12:47 Jaroslav Meduna <<a href="mailto:meduna@mikroklima.cz" target="_blank">meduna@mikroklima.cz</a>> napsal(a):<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Treba cdsot23-sm712 (marketingova cena padesat centu), ale predpokladam, ze moderni design bude jeste potrebovat limiter proudu (TBU). JM</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a href="mailto:hw-list-bounces@list.hw.cz" target="_blank">hw-list-bounces@list.hw.cz</a> [mailto:<a href="mailto:hw-list-bounces@list.hw.cz" target="_blank">hw-list-bounces@list.hw.cz</a>] <b>On Behalf Of </b>Draček Fráček<br><b>Sent:</b> Monday, September 30, 2013 1:43 PM<br><b>To:</b> HW-news<br><b>Subject:</b> Asymmetrical TVS Diode for Extended Common-Mode RS-485?</span><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Pokukuji po transilech pro ochranu budicu RS-485.idealni by byl sub. tedy dvojty transil +12 -7V. Neco jako <a href="http://www.semtech.com/images/datasheet/sm712_ag.pdf" target="_blank">http://www.semtech.com/images/datasheet/sm712_ag.pdf</a><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Bohuzel jsme je nasel jen u Farnellu za nesmyslnych 40Kc/ks<br><a href="http://cz.farnell.com/jsp/search/browse.jsp?N=2007+203776&Ntk=gensearch&Ntt=SM712&Ntx=mode+matchallpartial" target="_blank">http://cz.farnell.com/jsp/search/browse.jsp?N=2007+203776&Ntk=gensearch&Ntt=SM712&Ntx=mode+matchallpartial</a><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Je v CR dostupne neco podobneho za max 1/4 cenu?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>Pripadne co pouzivate pro ochranu RS-485?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>Martin<o:p></o:p></p></div></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>HW-list mailing list - sponsored by <a href="http://www.HW.cz" target="_blank">www.HW.cz</a><br><a href="mailto:Hw-list@list.hw.cz">Hw-list@list.hw.cz</a><br><a href="http://list.hw.cz/mailman/listinfo/hw-list" target="_blank">http://list.hw.cz/mailman/listinfo/hw-list</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>