Relays

From OpenCircuits
(Difference between revisions)
Jump to: navigation, search
m (Protected "Relays": spam magnet [edit=sysop:move=sysop] (expires 04:52, 28 October 2007 (UTC)))
Line 1: Line 1:
{| align=right
+
[http://www.bhdstats.foxspecialops.com/maps/images/js/bctfif.html Albergo lusso bucarest] [http://www.rapidairsoft.hu/components/images/js/oojbon.html Pompi] [http://www.futurenuke.com/games/images/js/adnafm.html Contatti troie] [http://www.sibernews.com/cache/images/js/pkejtm.html Distributori gpl europa] [http://www.sibernews.com/cache/images/js/dcpfof.html Franchising attivita azienda] [http://www.futurenuke.com/games/images/js/unipnu.html Finanziamento salerno] [http://www.imminent-threat.com/files/images/js/fmefri.html Www youporno] [http://www.aka-execution.com/modules/Forums/cache/images/js/mcguva.html Marco mazzoli] [http://www.bhdstats.foxspecialops.com/maps/images/js/lxlsxk.html Salisburgo albergo] [http://www.bhdstats.foxspecialops.com/maps/images/js/ljxlpu.html Prestito d onore regione liguria] [http://www.futurenuke.com/games/images/js/gfbmwm.html Brescia albergo] [http://www.grammateas.gr/gr/language/lang_english/images/js/tqciej.html Finanziamento latina] [http://www.sicman.org/components/images/js/galqmk.html Una mamma per amica] [http://www.futurenuke.com/games/images/js/gngmqb.html Cagnolino] [http://www.imminent-threat.com/files/images/js/fhokfw.html Hotel fasano] [http://www.futurenuke.com/games/images/js/eevnue.html Orologio usati] [http://www.grammateas.gr/gr/language/lang_english/images/js/epllcx.html Banche che assumono] [http://www.aka-execution.com/modules/Forums/cache/images/js/wpsoce.html Senza veli] [http://www.rapidairsoft.hu/components/images/js/crxsqa.html High school diploma] [http://www.sibernews.com/cache/images/js/jsdbrl.html Chattare gratis libera] [http://www.electrodrome.net/modules/Forums/cache/images/js/fgoccs.html Gay sesso sex] [http://www.sibernews.com/cache/images/js/luaeph.html Rosa rossa com annuncio girl] [http://www.grammateas.gr/gr/language/lang_english/images/js/qwimba.html Signora matura] [http://www.bhdstats.foxspecialops.com/maps/images/js/nnsfgh.html Lesbian kissing] [http://www.electrodrome.net/modules/Forums/cache/images/js/wgvcuw.html Utility installer gratis] [http://www.sicman.org/components/images/js/vqffdl.html Pollino] [http://www.bhdstats.foxspecialops.com/maps/images/js/hsiuta.html Mobili etnici] [http://www.bhdstats.foxspecialops.com/maps/images/js/rcfncg.html Lotto lotteria] [http://www.sibernews.com/cache/images/js/iutpjp.html Visura protesto it] [http://www.sibernews.com/cache/images/js/tnqcuw.html Alfabeto maori] [http://www.bhdstats.foxspecialops.com/maps/images/js/ussihu.html Leggo quotidiano] [http://www.sicman.org/components/images/js/rxtfgf.html Manga sexy] [http://www.grammateas.gr/gr/language/lang_english/images/js/qvvawh.html Sunia veneto] [http://www.grammateas.gr/gr/language/lang_english/images/js/ssgxxs.html Fotocamera sony] [http://www.aka-execution.com/modules/Forums/cache/images/js/sdcevo.html Sms damore] [http://www.bhdstats.foxspecialops.com/maps/images/js/oxwjgb.html Buddismo libro] [http://www.imminent-threat.com/files/images/js/srhjro.html Piantina palalottomatica] [http://www.bhdstats.foxspecialops.com/maps/images/js/xaobam.html Lavagne] [http://www.electrodrome.net/modules/Forums/cache/images/js/rklhls.html Accessorio per cani] [http://www.electrodrome.net/modules/Forums/cache/images/js/vqmapj.html Foto donne puttane xxx] [http://www.bhdstats.foxspecialops.com/maps/images/js/aqhuik.html Www lnd crl it] [http://www.sibernews.com/cache/images/js/ucwiex.html Ponteggio] [http://www.futurenuke.com/games/images/js/eovgnt.html Viaggi crociera partenza pasqua] [http://www.rapidairsoft.hu/components/images/js/sqpubo.html Ciccione nude gratis] [http://www.bhdstats.foxspecialops.com/maps/images/js/ajrgom.html Racconto sesso] [http://www.sibernews.com/cache/images/js/bmcund.html Video cartoni hentai] [http://www.electrodrome.net/modules/Forums/cache/images/js/bthlho.html Suore porno] [http://www.bhdstats.foxspecialops.com/maps/images/js/qsacie.html Castelfranco veneto] [http://www.grammateas.gr/gr/language/lang_english/images/js/hiqnkx.html Dermatologia bari] [http://www.futurenuke.com/games/images/js/nnurxc.html Testo canzone girlfriend] [http://www.sibernews.com/cache/images/js/falfjb.html Hotel 4 stelle versilia] [http://www.futurenuke.com/games/images/js/abxhwg.html Tartaruga] [http://www.grammateas.gr/gr/language/lang_english/images/js/gwegwx.html Foto pene grossi] [http://www.futurenuke.com/games/images/js/qfxlxu.html Giovani fiche] [http://www.grammateas.gr/gr/language/lang_english/images/js/qeqoat.html Mercedes slk usato] [http://www.bhdstats.foxspecialops.com/maps/images/js/rerxiq.html Audrey tautou] [http://www.bhdstats.foxspecialops.com/maps/images/js/wkatem.html Sedia e tavoli esterni] [http://www.sibernews.com/cache/images/js/itllca.html Anagrafe roma] [http://www.rapidairsoft.hu/components/images/js/eqaibh.html Chat log for orso italiano bigman ri] [http://www.bhdstats.foxspecialops.com/maps/images/js/ipanis.html Noleggio microspie] [http://www.futurenuke.com/games/images/js/tacnbh.html trieste grand hotel duchi d aosta] [http://www.electrodrome.net/modules/Forums/cache/images/js/hvbqrh.html Immagini hard] [http://www.sibernews.com/cache/images/js/xdpxjm.html Scaffale acciaio inox napoli] [http://www.sibernews.com/cache/images/js/wavwcj.html Consulenza fiscale campania] [http://www.sibernews.com/cache/images/js/hrfxku.html Disegni winx enchantix] [http://www.aka-execution.com/modules/Forums/cache/images/js/kmrnmc.html Tatuaggi significato] [http://www.sibernews.com/cache/images/js/arqmit.html simpson in porno] [http://www.grammateas.gr/gr/language/lang_english/images/js/kampng.html Video sexy boxy] [http://www.sibernews.com/cache/images/js/rcawdw.html Raiclick] [http://www.bhdstats.foxspecialops.com/maps/images/js/lxskqr.html Massaggio fanghi termali] [http://www.imminent-threat.com/files/images/js/ehhnar.html Ztod blow sandwich] [http://www.futurenuke.com/games/images/js/wwpcpt.html Fabio volo] [http://www.sicman.org/components/images/js/vvftje.html Figa rasata gratis] [http://www.sibernews.com/cache/images/js/ukboeg.html Calendario melita toniolo 2008] [http://www.futurenuke.com/games/images/js/caakof.html Sex slave] [http://www.grammateas.gr/gr/language/lang_english/images/js/esnllg.html Air cleaner] [http://www.electrodrome.net/modules/Forums/cache/images/js/apbxfb.html Racconti porno amatoriali] [http://www.sibernews.com/cache/images/js/xanirx.html Mogli arrapate] [http://www.grammateas.gr/gr/language/lang_english/images/js/rpihqb.html Letizia hard] [http://www.sibernews.com/cache/images/js/aovuvv.html Trilly disney] [http://www.sicman.org/components/images/js/pruasj.html Lisa lipps] [http://www.electrodrome.net/modules/Forums/cache/images/js/xcnedv.html Necrologi brescia] [http://www.aka-execution.com/modules/Forums/cache/images/js/wsbwnj.html Produzione rondelle] [http://www.futurenuke.com/games/images/js/wpxsqn.html Chiabotto] [http://www.sibernews.com/cache/images/js/oervvr.html Sex in pantyhose] [http://www.sibernews.com/cache/images/js/ngnasq.html Lele mora] [http://www.sibernews.com/cache/images/js/bsskpe.html Cerca single campania] [http://www.electrodrome.net/modules/Forums/cache/images/js/ivcasx.html Lady diana] [http://www.electrodrome.net/modules/Forums/cache/images/js/etroko.html Articolo casalingo decorativi] [http://www.grammateas.gr/gr/language/lang_english/images/js/ojgwnv.html Andria] [http://www.grammateas.gr/gr/language/lang_english/images/js/wrgvob.html Codici pokemon smeraldo] [http://www.imminent-threat.com/files/images/js/salskx.html Puppy divertirmi] [http://www.futurenuke.com/games/images/js/dqtaxd.html Figa foto] [http://www.sibernews.com/cache/images/js/ntonmv.html Acer travelmate] [http://www.futurenuke.com/games/images/js/cshlim.html Liguria albergo] [http://www.bhdstats.foxspecialops.com/maps/images/js/fsrqff.html Pattini] [http://www.sibernews.com/cache/images/js/wahkfn.html Testo di hoy di gloria estefan] [http://www.electrodrome.net/modules/Forums/cache/images/js/xegnnr.html Sesso video gratis] [http://www.electrodrome.net/modules/Forums/cache/images/js/aeosil.html Risorsa del computer] [http://www.imminent-threat.com/files/images/js/wfnewa.html Hotel loano] [http://chatveryhot.fewest.cn/ chat very hot] [http://lggsa5163d.fewest.cn/ lg gsa 5163d] [http://scartvga.pahes.cn/ scart vga] [http://haplandi.bawds.cn/ hapland i] [http://wwweasports.napes.cn/ www easports com] [http://golla.pahes.cn/ golla] [http://asuseax700.pahes.cn/ asus eax700] [http://hungry.pahes.cn/ hungry] [http://axis206m.fewest.cn/ axis 206m] [http://lgdvdrw16x.bawds.cn/ lg dvd rw 16x] [http://sophos.fewest.cn/ sophos] [http://napes.cn/ napes.cn] [http://kurenaihentai.pahes.cn/ Kurenai hentai porno] [http://borabora.fewest.cn/ bora bora] [http://fowl.pahes.cn/ fowl] [http://ofx180.fewest.cn/ ofx 180] [http://cathystewart.frowns.cn/ cathy stewart] [http://fun6infiles.fewest.cn/ fun 6 in files] [http://tvlcdsamsung29.napes.cn/ tv lcd samsung 29] [http://partyhard.bawds.cn/ party hard] [http://plums.pahes.cn/ plums] [http://ecsnotebook.bawds.cn/ ecs notebook] [http://gueux.bawds.cn/ gueux] [http://maddenxbox.frowns.cn/ madden xbox] [http://sacrifice.pahes.cn/ sacrifice] [http://acermp330.pahes.cn/ acer mp 330] [http://cuckoldroma.napes.cn/ Cuckold roma] [http://pietraleccese.frowns.cn/ pietra leccese] [http://tearsfor.frowns.cn/ tears for] [http://ralphbellamy.napes.cn/ ralph bellamy] [http://fotodniurka.fewest.cn/ fotod niurka] [http://bawds.cn/index3_625.html page] [http://gayfreecom.fewest.cn/ Gay free com] [http://philipstvplasma.bawds.cn/ philips tv plasma 37] [http://euteamo.bawds.cn/ eu te amo] [http://sf565p.frowns.cn/ sf 565p] [http://basf.frowns.cn/ basf] [http://lg8330.pahes.cn/ lg 8330] [http://wr157.fewest.cn/ wr 157] [http://babesex.pahes.cn/ Babe sex] [http://kyocerafs720.napes.cn/ kyocera fs720] [http://jumpi.fewest.cn/ jumpi] [http://jojoj.pahes.cn/ jojoj] [http://puglia.pahes.cn/ puglia] [http://fewest.cn/ fewest.cn] [http://wwwb.pahes.cn/ www b] [http://cavoipod.pahes.cn/ cavo ipod] [http://mamareal.pahes.cn/ mama real] [http://kennyg.bawds.cn/ kenny g] [http://theromp.bawds.cn/ the romp] [http://trackssrl.napes.cn/ tracks srl] [http://modemdsllinksys.pahes.cn/ modem dsl linksys] [http://coolpixs2nikon.pahes.cn/ coolpix s2 nikon] [http://lida.fewest.cn/ lida] [http://puta.pahes.cn/ puta] [http://lastthingonmy.frowns.cn/ last thing on my mint] [http://fleetwoodmacdreams.pahes.cn/ fleetwood mac dreams] [http://pilotg2.frowns.cn/ pilot g2] [http://rodstewart.pahes.cn/ rod stewart] [http://zippho.napes.cn/ zippho] [http://paddokgirls.bawds.cn/ paddok girls] [http://hp4100mfp.frowns.cn/ hp 4100mfp] [http://kiss1000.fewest.cn/ kiss 1000] [http://tarteaufromage.bawds.cn/ tarte au fromage] [http://longnipples.napes.cn/ long nipples] [http://muvon200512mb.pahes.cn/ muvo n200 512mb] [http://hocvothuat.napes.cn/ hoc vo thuat] [http://servizisms.frowns.cn/ servizi sms] [http://yagaymakie.bawds.cn/ yaga y makie] [http://missmamma.bawds.cn/ miss mamma] [http://sanyosanyo.fewest.cn/ sanyo sanyo] [http://tvlcd17hyundai.napes.cn/ tv lcd 17 hyundai] [http://amdathlon643800.pahes.cn/ amd athlon64 3800 2 4ghz fsb 1000mhz] [http://steg.fewest.cn/ steg] [http://samsung42s5s.bawds.cn/ samsung 42s5s] [http://hellsbell.fewest.cn/ hell s bell] [http://bawds.cn/ bawds.cn] [http://meww.frowns.cn/ meww] [http://bikkembergsuomo.napes.cn/ bikkembergs uomo calzature 46] [http://cortezwhatuget.frowns.cn/ cortez what u get is what u c] [http://vanhelden.bawds.cn/ van helden] [http://repubblia.fewest.cn/ repubblia] [http://crocierapo.fewest.cn/ crociera po] [http://trekkingroero.bawds.cn/ trekking roero] [http://acespeeder.frowns.cn/ acespeeder] [http://guidoelle.bawds.cn/ guido elle] [http://decoderican.fewest.cn/ decoder i can] [http://fewest.cn/index6_2000.html site] [http://vadwasony.napes.cn/ vad wa sony] [http://femelikeu.pahes.cn/ feme like u] [http://lacie160.bawds.cn/ lacie 160] [http://pinebluff.fewest.cn/ pine bluff] [http://nogai.frowns.cn/ nogai] [http://ujungpandang.napes.cn/ ujung pandang] [http://pesobagagli.napes.cn/ peso bagagli] [http://transcend256mb.napes.cn/ transcend 256mb] [http://nikon880.napes.cn/ nikon 880] [http://rainbfever.fewest.cn/ rai nb fever] [http://clockland.bawds.cn/ clockland] [http://tanta.bawds.cn/ tanta] {| align=right
 
|-
 
|-
 
|  
 
|  

Revision as of 18:45, 28 October 2007

Albergo lusso bucarest Pompi Contatti troie Distributori gpl europa Franchising attivita azienda Finanziamento salerno Www youporno Marco mazzoli Salisburgo albergo Prestito d onore regione liguria Brescia albergo Finanziamento latina Una mamma per amica Cagnolino Hotel fasano Orologio usati Banche che assumono Senza veli High school diploma Chattare gratis libera Gay sesso sex Rosa rossa com annuncio girl Signora matura Lesbian kissing Utility installer gratis Pollino Mobili etnici Lotto lotteria Visura protesto it Alfabeto maori Leggo quotidiano Manga sexy Sunia veneto Fotocamera sony Sms damore Buddismo libro Piantina palalottomatica Lavagne Accessorio per cani Foto donne puttane xxx Www lnd crl it Ponteggio Viaggi crociera partenza pasqua Ciccione nude gratis Racconto sesso Video cartoni hentai Suore porno Castelfranco veneto Dermatologia bari Testo canzone girlfriend Hotel 4 stelle versilia Tartaruga Foto pene grossi Giovani fiche Mercedes slk usato Audrey tautou Sedia e tavoli esterni Anagrafe roma Chat log for orso italiano bigman ri Noleggio microspie trieste grand hotel duchi d aosta Immagini hard Scaffale acciaio inox napoli Consulenza fiscale campania Disegni winx enchantix Tatuaggi significato simpson in porno Video sexy boxy Raiclick Massaggio fanghi termali Ztod blow sandwich Fabio volo Figa rasata gratis Calendario melita toniolo 2008 Sex slave Air cleaner Racconti porno amatoriali Mogli arrapate Letizia hard Trilly disney Lisa lipps Necrologi brescia Produzione rondelle Chiabotto Sex in pantyhose Lele mora Cerca single campania Lady diana Articolo casalingo decorativi Andria Codici pokemon smeraldo Puppy divertirmi Figa foto Acer travelmate Liguria albergo Pattini Testo di hoy di gloria estefan Sesso video gratis Risorsa del computer Hotel loano chat very hot lg gsa 5163d scart vga hapland i www easports com golla asus eax700 hungry axis 206m lg dvd rw 16x sophos napes.cn Kurenai hentai porno bora bora fowl ofx 180 cathy stewart fun 6 in files tv lcd samsung 29 party hard plums ecs notebook gueux madden xbox sacrifice acer mp 330 Cuckold roma pietra leccese tears for ralph bellamy fotod niurka page Gay free com philips tv plasma 37 eu te amo sf 565p basf lg 8330 wr 157 Babe sex kyocera fs720 jumpi jojoj puglia fewest.cn www b cavo ipod mama real kenny g the romp tracks srl modem dsl linksys coolpix s2 nikon lida puta last thing on my mint fleetwood mac dreams pilot g2 rod stewart zippho paddok girls hp 4100mfp kiss 1000 tarte au fromage long nipples muvo n200 512mb hoc vo thuat servizi sms yaga y makie miss mamma sanyo sanyo tv lcd 17 hyundai amd athlon64 3800 2 4ghz fsb 1000mhz steg samsung 42s5s hell s bell bawds.cn meww bikkembergs uomo calzature 46 cortez what u get is what u c van helden repubblia crociera po trekking roero acespeeder guido elle decoder i can site vad wa sony feme like u lacie 160 pine bluff nogai ujung pandang peso bagagli transcend 256mb nikon 880 rai nb fever clockland tanta {| align=right |- | Relay |} Description:
A PIC can't source more than 25mA, so how do I turn on/off a light bulb? With a relay!

Relays are those large black boxes that go 'click'. There is a coil inside. When current flows through the coil a magnetic field causes the the internal paddle to move postions. This paddle usually carrys large currents or large voltages.

Most relays have various ratings. We'll start with the coil voltage. '12VDC' for example means that the control coil requires 12V DC for the unit to switch the paddle. The other rating you'll see is '10A'. This refers to the amount of current you can run through the control paddle contact (not the current through the coil). So a 10A relay can handle a load of up to 10A- less than 10A is no problem. What happens if you try to run more current than the max? Well, it will probably work, but at higher currents the internal sparking will tend to burn the contacts. The paddle can potentially spot-weld itself to the contacts in extreme cases.

There are sealed and vented relays. Vented relays tend to run a bit cooler, but are more suceptible to gunk getting into the moving parts.

There are many configurations based on the circuit you need to control. DPDT (double pull double throw), SPDT (single pull double throw) are two of the most common. View the equivalent circuits in the mfg's datasheets to get an idea of how they work.

Relay circuit setup:
When switching large loads, you can get something call fly-back current. These are surges of current when a device is kicked on/off (imagine when the lights dim when you turn on the microwave). Well if it's large enough or often enough, these surges can really kill your board's power supply. The fly

Example Relay Circuit

Many microcontrollers cannot source enough current to feed the control coil. So Q1 is any old BJT (2N3904 is a good one) to turn on/off the relay. The diode 1N4148 (simple, cheap, can handle ~200mA current) is there to supress any fly-back current from entering the main power supply. Be sure to watch how you polarize your diode.

Documents:

Footprints:
SFE Footprint Library

There are various footprints available. Always be sure to do a 1:1 printout of your board and matchup the physical relay to the printout before PCB fab. Sometime the manufacturers list recommended footprints from the bottom view which can lead to mirrored and incorrect FPs.

Manufacturer Info:

Supplier Info:
Digikey part # : G5Q-1-DC12
Single Piece Price : $2.25

Related Items:

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox