1 non resettable fuses umk 250 www.schurter.com /pg01_2 fuses surface mount fuse with clip, 4.2 x 11.3 mm, quick-acting f, umk 250 = umf 250 (au) + umc 250 iec 60127-4 250 vac 125 vdc quick-acting f description - vde/ul approvals, umf 250, umf 250 (au), umc 250 , see variants - high breaking capacity of up to 200 a @ 250 vac - ul approval for 0.05 a - 4 a @ 250 vac and 125 vdc standards - iec 60127-4/2, iec 60127-6 - ul 248-14 / 4248-1 - csa c22.2 no. 248.14 / no. 4248.1 approvals - vde certificate number: 40027880 / 40023291 - ul file number: e41599 applications - primary protection on smd pcbs references packaging details fuse kit fuse kit umf 250 / umk 250 weblinks pdf-datasheet, html-datasheet, general product information, packaging details, approvals, ce declaration of conformity , rohs, china-rohs, reach, distributor-stock-check, detailed request for product technical data rated voltage 250 vac, 125 vdc rated current 0.5 - 4 a breaking capacity 100-200 a characteristic quick-acting f mounting pcb,smt admissible ambient air temp. -40 c to 85 c climatic category 40/085/21 acc. to iec 60068-1 material: housing ceramic material: terminals gold-plated copper alloy storage conditions 0 c to 40 c, max. 70% r.h. product marking , rated current, rated voltage, cha - racteristic, breaking capacity soldering methods reflow soldering profile solderability 245 c / 3 sec acc. to iec 60068-2-58 resistance to soldering heat 260 c / 10 sec acc. to iec 60068-2-58 life test (acc. to eia/is-722, test 4.4.1) 1000h @ 0.60 x in @ 70c moisture resistance test (acc. to eia/is-722, test 4.4.3) 10% rated current. temperatur change between 25c und 65c at 100% rela - tive humidity. duration: 24h each cycle, total 10 cycles terminal strength (acc. to eia/is-722, test 4.5.5) (deflection of board 1 mm for 1 minute) mechanical shock mil-std-202, method 213b (shock 50g, half sine wave, 11 ms) resistance to solvents cleaning with common solvents flammability min. ul 94v-1 (acc. to eia/is-722, test 4.12) dimension 11.3 mm 10.1 10.7 11.3 3.6 4 +0.2 0 6.7 2 4.2 3 3 5.5 4.75 soldering pads
2 non resettable fuses umk 250 www.schurter.com /pg01_2 fuses pre-arcing time rated current in 1.0 x in min. 1.25 x in min. 2.0 x in max. 10.0 x in min. 10.0 x in max. 0.5 a - 4.0 a - 60 min 120 s 1 ms 10 ms time-current-curves time in seconds 1 10 0.1 0.0001 0.001 0.01 100 1000 10000 0 .1 1 0 1 1 00 500 ma 630 ma 800 ma 1 a 1.25 a 1.6 a 2 a 2.5 a 3.15 a 4 a current in amperes all variants rated cur - rent [a] rated vol - tage [vac] rated vol - tage [vdc] breaking capacity voltage drop 1.0 in max. [mv] voltage drop 1.0 in typ. [mv] power dissi - pation 1.25 in max [mw] melting i2t 10.0 intyp. [a2s] order number 0.5 250 125 1) 430 600 500 0.27 l l 3404.2463.11 0.5 250 125 1) 430 600 500 0.27 l l 3404.2463.22 0.63 250 125 1) 350 500 500 0.9 l l 3404.2464.11 0.63 250 125 1) 350 500 500 0.9 l l 3404.2464.22 0.8 250 125 1) 300 400 500 0.21 l l 3404.2465.11 0.8 250 125 1) 300 400 500 0.21 l l 3404.2465.22 1 250 125 1) 250 300 500 0.4 l l 3404.2466.11 1 250 125 1) 250 300 500 0.4 l l 3404.2466.22 1.25 250 125 2) 220 300 1000 1 l l 3404.2467.11 1.25 250 125 2) 220 300 1000 1 l l 3404.2467.22 1.6 250 125 2) 190 300 1000 2.1 l l 3404.2468.11 1.6 250 125 2) 190 300 1000 2.1 l l 3404.2468.22 2 250 125 2) 200 300 1000 3.26 l l 3404.2469.11 2 250 125 2) 200 300 1000 3.26 l l 3404.2469.22 2.5 250 125 2) 160 300 1200 4.8 l l 3404.2470.11 2.5 250 125 2) 160 300 1200 4.8 l l 3404.2470.22 3.15 250 125 2) 100 300 1500 5.17 l l 3404.2471.11 3.15 250 125 2) 100 300 1500 5.17 l l 3404.2471.22 4 250 125 2) 100 300 2000 9.4 l l 3404.2472.11 4 250 125 2) 100 300 2000 9.4 l l 3404.2472.22 most popular. availability for all products can be searched real-time: http://www.schurter.com/stock-check/stock-check-schurter 1) iec: 100 a @ 250 vac, p.f. 0.95 / 100 a @ 125 vdc
3 non resettable fuses umk 250 www.schurter.com /pg01_2 fuses rated cur - rent [a] rated vol - tage [vac] rated vol - tage [vdc] breaking capacity voltage drop 1.0 in max. [mv] voltage drop 1.0 in typ. [mv] power dissi - pation 1.25 in max [mw] melting i2t 10.0 intyp. [a2s] order number 1) ul: 200 a @ 250 vac / 100 a @ 125 vdc / 35 a @ 250 vdc / 200 a @ 63 vac/dc 2) iec / ul: 200 a @ 250 vac / 100 a @ 125 vdc / 35 a @ 250 vdc / 200 a @ 63 vac/dc approval overview umf 250 -> fuse with tin-plated caps, approval status: vde, ul listed, curus, free of ccc, pse jet, ktl umf 250 (au) -> fuse with gold-plated caps, approval status: vde mark and curus umc 250 -> clip, approval status: vde ug mark and curus umk 250 = umf 250 (au) + umc 250 there is no approval existing for the combination fuse and clip umk 250, but the fuse and the clip are fully approved independently at vde/ul. see details above. in the reflow soldering process, the fuse must have gold-plated caps, otherwise fuse and clip would be soldered together. for fuse replacement in the field, a standard umf 250 fuse with tin-plated caps can be used. it is not allowed to replace higher rated current than 4 a in the clip. packaging unit .xx = .11 plastic bag (100 pcs.) .xx = .22 blister tape 33 cm reel (1000 pcs.) the specifications, descriptions and illustrations indicated in this document are based on current information. all content is subject to modifications and amendments. information furnished is believed to be accurate and reliable. however, users should independently evaluate the suitability and test each product selected for their own applications. 19.11.2016
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