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Non resettable fuses
UMZ 250
www.schurter.com/pg0_2
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
-ExplanationVDE/ULApprovalsUMT250,UMT250(Au),UMC250, seevariants -Highbreakingcapacityof200A@250VAC(IEC) -ULapprovalfor277VACand250VDC
Applications References Weblinks
-PrimaryProtectiononSMDPCB -Industrialelectronic GeneralProductInformation PackagingDetails Approvals,RoHS,CHINA-RoHS,e-Store,Distributor-Stock-Check, Accessories,ProductChangeNotification(PCN)
Standards
-IEC60127-4/2 -UL248-14 -CSAC22.2no.248.14
Approvals
-VDELicenseNumber:40013121 -ULFileNumber:E39328
Technical Data
RatedVoltage RatedCurrent BreakingCapacity Characteristic Mounting AdmissibleAmbientAirTemp. ClimaticCategory Material:Housing Material:Terminals StorageConditions ProductMarking 250VAC,125VDC 0.315-4A 200A Time-LagT PCB,SMT -40Cto85C 40/085/21acc.toIEC60068-1 Ceramic Tin-PlatedCopperAlloy 0Cto60C,max.70%r.h. ,Current,Voltage,Characteristic, BreakingCapacity SolderingMethods Solderability ResistancetoSolderingHeat LifeTest MoistureResistanceTest TerminalStrength MechanicalShock ResistancetoSolvents Flammability Reflow 245C/3secacc.toIEC60068-2-58, TestTd 260C/40secacc.toIPC/JEDECJSTD-020D,1cycle MIL-STD-202,Method108A (1000h@0.42*In@70C) MIL-STD-202,Method106E (50cyclesinatemp./misterchamber) MIL-STD-202,Method211A (Deflectionofboard1mmfor1minute) MIL-STD-202,Method213B (Shock50gn,halfsinewave,11ms) MIL-STD-202,Method215A min.UL94V-1 (acc.toEIA/IS-722,Test4.12)
Dimensions
11.1mm
3.9 2 6.5 10.5 11.1
3.6
3
5.5
3
3.8
Solderingpads
Fuses
4.75
UMZ 250
www.schurter.com/pg0_2 Pre-Arcing Time
Rated Current In 0.315A-4.0A .25 x In min. 60min 2.0 x In max. 120s 0.0 x In min. 10ms 0.0 x In max. 100ms
Non resettable fuses
Variants
Rated Current [A] Rated Voltage [VAC] Rated Voltage [VDC] Breaking Capacity Voltage Drop .0 In max. [mV] 750 700 600 500 400 300 300 300 300 300 300 300 Voltage Drop .0 In typ. [mV] 344 320 264 216 174 174 140 130 103 90 95 83 Power Dissipation .25 In max [mW] 500 500 500 500 500 500 1000 1000 1000 1200 1500 2000 Melting It 0.0 Intyp. [As] 0.27 0.4 0.54 1.1 1.4 2.8 4.5 6.9 7.3 7.5 14 26 Order Number
0.315 0.4 0.5 0.63 0.8 1 1.25 1.6 2 2.5 3.15 4
250 250 250 250 250 250 250 250 250 250 250 250
125 125 125 125 125 125 125 125 125 125 125 125
1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1)
3404.2411.xx 3404.2412.xx 3404.2413.xx 3404.2414.xx 3404.2415.xx 3404.2416.xx 3404.2417.xx 3404.2418.xx 3404.2419.xx 3404.2420.xx 3404.2421.xx 3404.2422.xx
1)IEC:200A@250VAC,p.f.0.95/100A@125VDC 1)UL:200A@277VAC/100A@125VDC/35A@250VDC/200A@63VAC/DC
ApprovalOverview UMT250->Fusewithtin-platedcaps,ApprovalStatus:VDE,ULLISTED,cURus,FreeofCCC,PSEJET,KTL UMT250(Au)->Fusewithgold-platedcaps,ApprovalStatus:VDEMarkandcURus UMC250->Clip,ApprovalStatus:VDEUGMarkandcURus
UMZ250=UMT250(Au)+UMC250 ThereisnoapprovalexistingforthecombinationfuseandclipUMZ250,butthefuseandthecliparefullyapprovedindependentlyatVDE/UL.See detailsabove.
Inthereflowsolderingprocess,thefusemusthavegold-platedcaps,otherwisefuseandclipwouldbesolderedtogether.Forfusereplacementin thefield,astandardUMT250fusewithtin-platedcapscanbeused.
Packaging Unit
.xx=.11PlasticBag(100pcs.) .xx=.22BlisterTape33cmReel(1000pcs.)
2
Fuses
Non resettable fuses
UMZ 250
www.schurter.com/pg0_2
Time-Current-Curves
10000
315 mA 400 mA 500 mA 630 mA 800 mA 1.0 A 1.25 A 1.6 A 2.0 A 2.5 A 3.15 A 4.0 A
1000
100
10
TimeinSeconds
1
0.1
0.01
0.001
0.0001 0.1 1 10 100
CurrentinAmperes
Thespecifications,descriptionsandillustrationsindicatedinthisdocumentarebasedon Fuses currentinformation.Allcontentissubjecttomodificationsandamendments.

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