View 0454750MR_5333366.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

61 ? 2009 littelfuse, inc. specifications are subject to change without notice. surface mount fuses 452/454 series nano 2? > slo-blo ? > 452/454 series 452/454 series please refer to www.littelfuse.com/series/452.html or /454.html for current information. 452/454 series fuse description the nano 2 slo-blo ? fuse has enhanced inrush withstand characteristics over the nano 2 fast-acting fuse. the unique time delay feature of this fuse design helps solve the problem of nuisance opening by accommodating inrush currents that normally cause a fast-acting fuse to open. features t 5jnf-bh 4mp#mp
t 4nbmmtj[f t 8jefsbohfpgdvssfou sbujohbwbjmbcmf n" up"
t 8jefpqfsbujoh temperature range t -pxufnqfsbuvsf de-rating t 3p)4dpnqmjbou t )bmphfo'sff electrical characteristics for series % of ampere rating opening time 100% 4 hours, minimum 200% 1 sec., min.; 60 sec., max. tfd .jotfd .by 800% 0.02 sec., min.; 0.1 sec., max. ps e electrical specifications by item ampere rating (a) amp code max voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) agency approvals ps e bnqfsft!7"$7%$ bnqfsft!7%$ 14&bnqfsft!7"$ 1.2000 0.101 x x 0.240 x x 0.904 x x 001. 001. 1.98 x x x xxx 2.00 002. 8.20 x x x xxx 20.16 x x x 0.0224 xxx 4.00 004. 0.0186 xxx xxx bnqfsft!7"$ bnqfsft!7%$ xx 8 008. bnqfsft!7"$ bnqfsft!7%$ 0.0088 xx 12 012. 0.0061 260.46 x x applications t /pufcppl1$ t -$%1%157 t -$%npojups t -$%1%1qbofm t -$%cbdlmjhiujowfsufs t 1psubcmf%7%qmbzfs t 1pxfstvqqmz t /fuxpsljoh t 1$tfswfs t $ppmjohgbotztufn t 4upsbhftztufn t 5fmfdpntztufn t 8jsfmfttcbtftubujpo t 8ijufhppet t (bnfdpotpmf t 0g?df"vupnbujpo equipment t #buufszdibshjohdjsdvju protection t *oevtusjbmfrvjqnfou t .fejdbmfrvjqnfou t "vupnpujwf agency approvals agency agency file number ampere range e10480 375ma - 12a lr29862 375ma - 12a ps e nbk030205-e10480b 1a - 5a notes: - l 2 t calculated at 8ms. - resistance is measured at 10% of rated current, 25oc revised: may 3, 2011
introduction to circuit protection introduction to circuit protection transientology 62 ? 2009 littelfuse, inc. specifications are subject to change without notice. surface mount fuses 452/454 series nano 2? > slo-blo ? > 452/454 series please refer to www.littelfuse.com/series/452.html or /454.html for current information. average time current curves reflow condition pb C free assembly pre heat - temperature min (t s(min) ) ?$ - temperature max (t s(max) ) ?$ - time (min to max) (t s ) 60 C 120 secs average ramp up rate (liquidus temp (t l ) to peak ?$tfdpoenby t s(max) to t l - ramp-up rate ?$tfdpoenby reflow - temperature (t l ) (liquidus) ?$ - temperature (t l ) 60 C 90 seconds peak temperature (t p ) ?$ time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate ?$tfdpoenby time 25c to peak temperature (t p ) 8 minutes max. do not exceed ?$ wave soldering parameters ?$1fbl temperature, tfdpoetnby soldering parameters temperature rerating curve note: %fsbujohefqjdufejouijtdvswfjtjobeejujpoupuiftuboeb seefsbujohpggps continuous operation. time temperature t p t l t s(max) t s(min) 25 t p t l t s time to peak temperature (t 25oc to peak) ramp-down ramp-up preheat critical zone t l to t p 0.01 0.1 1 10 100 0.1 1 10 100 1000 time in seconds current in amps 375ma 500ma 1.00a 1.50a 2.00a 2.50a 3.00a 3.50a 4.00a 5.00a 7.00a 750ma 8.00a 12.0a
63 ? 2009 littelfuse, inc. specifications are subject to change without notice. surface mount fuses 452/454 series nano 2? > slo-blo ? > 452/454 series 452/454 series please refer to www.littelfuse.com/series/452.html or /454.html for current information. materials #pez$fsbnjd 5fsnjobujpot(pmeqmbufe$bqt
4jmwfsqmbufe$bqt
product marking #sboe "nqfsf3bujoh operating temperature ?$up?$ moisture sensitivity level -fwfm +45%$ solderability .*-45% .fuipe insulation resistance (after opening) .*-45% .fuipe 5ftu$poejujpo " pintnjojnvn
thermal shock .*-45% .fuipe 5ftu $poejujpo# dzdmft ?$ ?$ njovuft!fbdifyusfnf mechanical shock .*-45% .fuipe 5ftu* %ffofshj[fe(tqlbnqmjuvef tbxuppui xbwfntevsbujpo dzdmft9:;yz[tipdlt vibration .*-45% .fuipew bnqmjuvef )[jonjoist fbdi9:;ist moisture resistance .*-45% .fuipe dzdmft salt spray .*-45% .fuipe 5ftu $poejujpo# ist
resistance to soldering heat .*-45% .fuipe 5ftu dpoejujpo# tfdbu?$
product characteristics 1 a t 6.86 (.270") 3.15 (.124") 2.95 (.116") 1.96 (.077") 2.69 (.106") 2.69 (.106") 1.45 (.057") 6.10 (.240") recommended pad layout f dimensions packaging part numbering system packaging option packaging specification quantity quantity & packaging code nn5bqfboe3ffm &*"34 *&$ qbsu
/3 nn5bqfboe3ffm &*"34 *&$ qbsu
1000 .3 0452 001. m r l series amp code quantity code packaging code .qdt /qdt 35bqfboe3ffm rohs compliant & halogen free 3fgfsup"nq$pefdpmvnojouif &mfdusjdbm4qfdj?dbujpotubcmf the dot is positioned at the end of the number sequence with whole ratings and within for fractional ratings. example: "nqqspevdujt .375 .3- bnqqspevdutipxo
note: l suffix applies to 452 series only tfsjft nbz cf psefsfe bt fjuifs i3p)4 boe )'w i- w tvg?y
ps opo3p)4 op tvg?y
wfstjpo tfsjftjtbwbjmbcmfpomzbti3p)4boe)'wwfstjpoboeepft opusfrvjsfi- wtvg?y 1mfbtfepopujodmvefi- wtvg?yxjuijotfsjftpsefsjohjotusvdujpot

▲Up To Search▲

Price & Availability of 0454750MR

	To Download 0454750MR Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .