Axial Lead Cartridge Fuses 3AG Fast Acting 312/318 Series

Axial Lead & Cartridge Fuses3AG Fast Acting 312/318 Series312/318 Series Lead-Free 3AG, Fast-Acting FuseRoHSPbPSEDescriptionThe 312 and 318 Series are 3AG Fast-Acting fuses thatsolve solves a broad range of application requirementswhile offering reliable performance and cost-effectivecircuit protection.Features RoHS compliant andLead-free In accordance with ULStandard 248-14 Available in cartridgeand axial lead formatand with various formingdimensionsAgency ApprovalsAgencyApplicationsAgency File NumberE10480PSEAmpere Range0.062 - 10AUsed as supplementary protection in appliance orutilization equipment to provide individual protection forcomponents or internal circuits.12A-25A29862312 Series: 0.062A - 30A318 Series: 0.062A - 10A(312 Series)NBK060618-E10480ANBK060618-E10480C1A - 5A6A - 10A(318 l Characteristics for Series% of Ampere RatingAmpere RatingOpening Time100%0.062A – 35A4 hours, Minimum1A - 5A6A - 10A135%0.062A – 35A1 hour, MaximumE10480318 Series: 12A - 30A200%SU05001-6008SU05001-5005SU05001-50061A - 2A3A - 6A7A - 10AN/A0.062A - 10A0.062A – 10A5 sec., Maximum12A – 30A10 sec., Maximum35A20 sec., MaximumAdditional InformationDatasheet312 SeriesResources312 SeriesSamples312 SeriesDatasheet318 SeriesResources318 SeriesSamples318 SeriesAccessories312 & 318 SeriesFor recommended fuse accessories for this product series,see ‘Recommended Accessories’ section. 2020 Littelfuse, Inc.Specifications are subject to change without notice.Revised: GD. 12/14/20

Axial Lead & Cartridge Fuses3AG Fast Acting 312/318 SeriesElectrical Characteristic Specifications by ItemAmpereRating (A)VoltageRating(V).0620.062.1000.1.125Agency ApprovalsNominal ColdResistance(Ohms)NominalMeltingI2t (A2 50Vac10KA@125Vac300A@32 VacPSENotes:* - For 312 and 318 Series: Listed for the US and Canada (cULus)** - For 318 Series (12A-25A) and 312 Series (30A only): Recognized for the US and Canada (cURus).† - For 312 series only. 2020 Littelfuse, Inc.Specifications are subject to change without notice.Revised: GD. 12/14/20

Axial Lead & Cartridge Fuses3AG Fast Acting 312/318 Series12A15A20A25A30A35A.250 A.375 A.500 A.750 A1A1.5 A2A2.5 A3A4A5A6A7A8A10 A.125 A1000.062 AAverage Time Current Curves100001000100Time (seconds)Time Current (amps)0.010.005 0.010.1110100Current (amps)*Please contact Littelfuse for more details on those T-C Curves of other ampere ratings which are not published.Temperature Re-rating CurveNote:Rerating depicted in this curve is in addition to the industry practice derating of 25% for continuous operation. 2020 Littelfuse, Inc.Specifications are subject to change without notice.Revised: GD. 12/14/20

Axial Lead & Cartridge Fuses3AG Fast Acting 312/318 SeriesSoldering Parameters - Wave SolderingRecommended Process Parameters:300280Wave Parameter240Lead-Free RecommendationPreheat:220(Depends on Flux Activation Temperature)200(Typical Industry Recommendation)Temperature Minimum:100 C160Temperature Maximum:150 C140Preheat Time:60-180 015014013012011090100807060504030201000Temperature ( C) - Measured on bottom side of board260Solder Pot Temperature:260 C MaximumSolder Dwell Time:2-5 secondsRecommended Hand-Solder Parameters:Solder Iron Temperature: 350 C /- 5 CHeating Time: 5 seconds max.Note: These devices are not recommended for IR or Convection Reflow process.Time (Seconds)Cooling TimePreheat TimeDwell TimeProduct CharacteristicsMaterialsTerminal StrengthSolderabilityProduct MarkingBody: GlassCap: Nickel–plated brassLeads: Tin–plated CopperMIL-STD-202, Method 211,Test Condition AMIL-STD-202 method 208Cap1:Brand logo, current and voltageratingsCap2:Series and agency approvalmarksDimensionsOperating TemperatureThermal ShockVibration–55ºC to 125ºCMIL-STD-202, Method 107, Test Condition B: (5cycles -65 C to 125 C)MIL-STD-202, Method 201MIL-STD-202, Method 103,Test Condition A: High RH (95%),and Elevated temperature (40 C) for 240 hoursMIL-STD-202, Method 101,Test Condition BHumiditySalt SprayPart Numbering SystemMeasurements displayed in millimeters (inches)312 000 Series(cartridge)0312 xxxx M X P318 000 Series(axial leaded)6.35 0.3(.25")Series6.985 0.3(.275")31.75 1.12(1.25")0.81 0.05(.032") for (0.062A-15A)1.02 0.06(.040") for (20A-35A)Axial Lead Material:Tin-coated copper32.72 1.12(1.288")Axial Lead Length:Standard Length:38.1 3.15(1.50") TYP.Short Lead Option:12.7 2.0(.50") TYP.312 Cartridge318 Axial LeadedAmp CodeRefer to Amp Code column ofElectrical Characteristics TableQuantity CodeM 1000Packaging CodeX FillerLead-free 2020 Littelfuse, Inc.Specifications are subject to change without notice.Revised: GD. 12/14/20

Axial Lead & Cartridge Fuses3AG Fast Acting 312/318 SeriesPackagingQuantity &Packaging CodePackaging OptionPackaging SpecificationQuantityTaping /ABulkN/A100HXN/ABulkN/A1000MXBN/A312 Series318 SeriesRecommended AccessoriesAccessory ck In-Line FuseholderMax ApplicationVoltage32Max ApplicationAmperage2020342Traditional Panel Mount Fuseholder250346Panel Mount Flip-Top Shock-Safe Fuseholder25015345Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options25020354Low Profile OMNI-BLOK Fuse Block359High Current Screw Terminal Fuse Block122High Current Traditional PC Board Fuse Clip100030101Rivet/Eyelet Type Fuse Clip1000156003030Notes:1. Do not use in applications above rating.2. Please refer to fuseholder data sheet for specific re-rating information.3. Please contact factory for applications greater than the max voltage and amperage shown.Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products arenot designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: ct-disclaimer.aspx. 2020 Littelfuse, Inc.Specifications are subject to change without notice.Revised: GD. 12/14/20

MIL-STD-202, Method 107, Test Condition B: (5 cycles -65 C to 125 C) Vibration MIL-STD-202, Method 201 Humidity MIL-STD-202, Method 103, Test Condition A: High RH (95%), and Elevated temperature (40 C) for 240 hours MIL-STD-202, Method 101, Test Condition B Part Numbering System 0312 xxxx