non resettable fuses umz 250 www.schurter.com/pg0 _ 2 fuses surface mount fuse with clip, 11.1 x 3.8 mm, time-lag t, umz 250 = umt 250 (au) + umc 250 iec 60127-4 250 vac 125 vdc time-lag t description - vde/ul approvals umt 250, umt 250 (au), umc 250 , see variants - high breaking capacity of 200 a @ 250 vac (iec) - ul approval for 0.08 a - 4 a 277 vac and 250 vdc standards - iec 60127-4/2 - ul 248-14 - csa c22.2 no. 248.14 approvals - vde certificate number: 40013121 - ul file number: e39328 applications - primary protection on smd pcb - industrial electronic references packaging detail s weblinks pd f , htm l , general product informatio n , approval s , roh s , china-roh s , e-stor e , schurter-stock-chec k , distributor-stock-chec k technical data rated voltage 250 vac, 125 vdc rated current 0.08 - 4 a breaking capacity 200 a characteristic time-lag t 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 60 c, max. 70% r.h. product marking , current, voltage, characteristic, breaking capacity soldering methods reflow solderability 245 c / 3 sec acc. to iec 60068-2-58, test td resistance to soldering heat 250 c / 40 sec acc. to ipc/jedec j- std-020d, 1 cycle life test mil-std-202, method 108a (1000h @ 0.42*in @ 70c) moisture resistance test mil-std-202, method 106e (50 cycles in a temp./mister chamber) terminal strength mil-std-202, method 211a (deflection of board 1 mm for 1 minute) mechanical shock mil-std-202, method 213b (shock 50gn, half sine wave, 11 ms) resistance to solvents mil-std-202, method 215a flammability min. ul 94v-1 (acc. to eia/is-722, test 4.12) dimensions 11.1 mm ? 2 6.5 10.5 11.1 3.8 3.6 3.9 3 3 5.5 4.75 soldering?pads
2 non resettable fuses umz 250 www.schurter.com/pg0 _ 2 fuses pre-arcing time rated current in .25 x in min. 2.0 x in max. 0.0 x in min. 0.0 x in max. 0.08? a?-?4.0? a 60?min 120?s 10?ms 100?ms variants rated cur - rent [a] rated vol - tage [vac] rated vol - tage [vdc] breaking capacity voltage drop .0 in max. [mv] voltage drop .0 in typ. [mv] power dissi - pation .25 in max [mw] melting i2t 0.0 intyp. [a2s] order number 0.08 250 125 2) - 1030 - 0.022 3404.2405.xx 0.1 250 125 1) 1300 850 200 0.04 3404.2406.xx 0.125 250 125 1) 1000 700 200 0.055 3404.2407.xx 0.16 250 125 1) 1000 540 240 0.057 3404.2408.xx 0.2 250 125 1) 1000 460 500 0.092 3404.2409.xx 0.25 250 125 1) 800 395 500 0.2 3404.2410.xx 0.315 250 125 1) 750 344 500 0.27 3404.2411.xx 0.4 250 125 1) 700 320 500 0.4 3404.2412.xx 0.5 250 125 1) 600 264 500 0.54 3404.2413.xx 0.63 250 125 1) 500 216 500 1.1 3404.2414.xx 0.8 250 125 1) 400 174 500 1.4 3404.2415.xx 1 250 125 1) 300 174 500 2.8 3404.2416.xx 1.25 250 125 1) 300 140 1000 4.5 3404.2417.xx 1.6 250 125 1) 300 130 1000 6.9 3404.2418.xx 2 250 125 1) 300 103 1000 7.3 3404.2419.xx 2.5 250 125 1) 300 90 1200 7.5 3404.2420.xx 3.15 250 125 1) 300 95 1500 14 3404.2421.xx 4 250 125 1) 300 83 2000 26 3404.2422.xx 1) iec: 200 a @ 250 vac, p.f. 0.95 / 100 a @ 125 vdc 1) ul: 200 a @ 277 vac / 100 a @ 125 vdc / 35 a @ 250 vdc / 200 a @ 63 vac/dc 2) ul: 200 a @ 277 vac / 100 a @ 125 vdc / 35 a @ 250 vdc / 200 a @ 63 vac/dc approval overview umt 250 -> fuse with tin-plated caps, approval status: vde, ul listed, curus, free of ccc, pse jet, ktl umt 250 (au) -> fuse with gold-plated caps, approval status: vde mark and curus umc 250 -> clip, approval status: vde ug mark and curus umz 250 = umt 250 (au) + umc 250 there is no approval existing for the combination fuse and clip umz 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 umt 250 fuse with tin-plated caps can be used. this is not allowed for the 80 ma version. this must be replaced with an original umz with gold caps. 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.)
non resettable fuses umz 250 www.schurter.com/pg0 _ 2 fuses 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 80 ma 100 ma 125 ma 160 ma 200 ma 250 ma 315 ma 400 ma 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 the specifications, descriptions and illustrations indicated in this document are based on current information. all content is subject to modifications and amendments.
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