0312.250HXP Littelfuse

Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series PS RoHS Pb E 312/318 Series Lead-Free 3AG, Fast-Acting Fuse Description The 312 and 318 Series are 3AG Fast-Acting fuses that solve solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection. Features In accordance with UL RoHS compliant and Standard 248-14 Lead-free Available in cartridge and axial lead format and with various forming dimensions Agency Approvals Applications Used as supplementary protection in appliance or Agency Agency File Number Ampere Range utilization equipment to provide individual protection for 0.062 - 10A components or internal circuits. E10480 12A-25A 312 Series: 0.062A - 30A 29862 Electrical Characteristics for Series 318 Series: 0.062A - 10A (312 Series) 1A - 5A NBK060618-E10480A % of Ampere Rating Ampere Rating Opening Time 6A - 10A NBK060618-E10480C PS E 100% 0.062A 35A 4 hours, Minimum (318 Series) 1A - 5A 135% 0.062A 35A 1 hour, Maximum NBK060618-E10480B 6A - 10A NBK060618-E10480D 0.062A 10A 5 sec., Maximum 200% 12A 30A 10 sec., Maximum E10480 318 Series: 12A - 30A 35A 20 sec., Maximum SU05001-6008 1A - 2A SU05001-5005 3A - 6A SU05001-5006 7A - 10A N/A 0.062A - 10A Additional Information Datasheet Resources Samples Accessories 312 Series 312 Series 312 Series 312 & 318 Series Datasheet Resources Samples 318 Series 318 Series 318 Series For recommended fuse accessories for this product series, see Recommended Accessories section. 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/14/20Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series Electrical Characteristic Specifications by Item Agency Approvals Voltage Nominal Cold Nominal Amp Ampere Interrupting Rating Resistance Melting PS Code Rating (A) Rating 2 2 E (V) (Ohms) I t (A sec) .062 0.062 250 24.7 0.000249 x - - - x x .100 0.1 250 11.28 0.00171 x - - - x x .125 0.125 250 7.145 0.00289 x - - - x x .150 0.15 250 5.13 0.00550 x - - - x x .175 0.175 250 3.875 0.00960 x - - - x x .187 0.187 250 3.42 0.0128 x - - - x x .200 0.2 250 3.02 0.0165 x - - - x x 35A 250Vac 10KA 125Vac .250 0.25 250 2.01 0.0355 x - - - x x .300 0.3 250 1.405 0.0689 x - - - x x .375 0.375 250 0.825 0.185 x - - - x x .500 0.5 250 0.498 0.483 x - - - x x .600 0.6 250 0.362 0.88 x - - - x x .750 0.75 250 0.2445 1.84 x - - - x x 001. 1 250 0.19 0.76 x - x x x x 1.25 1.25 250 0.1385 1.45 x - x x x x 01.5 1.5 250 0.1036 2.35 x - - x x x 01.6 1.6 250 0.0934 2.8 x - x x x x 1.75 1.75 250 0.0856 3.6 x - - x x x 100A 250Vac 01.8 1.8 250 0.0825 3.85 x - - x x x 10KA 125Vac 002. 2 250 0.0704 5.2 x - x x x x 2.25 2.25 250 0.0594 7.2 x - x x x x 02.5 2.5 250 0.0513 9.54 x - x x x x 003. 3 250 0.0427 14.0 x - x x x x 004. 4 250 0.0293 28.5 x - x x x x 005. 5 250 0.0224 50.0 x - x x x x 006. 6 250 0.0178 118.0 x - x x x x 200A 250Vac 10KA 125Vac 007. 7 250 0.0146 81.0 x - x x x x 008. 8 250 0.0122 166.0 x - x x x x 010. 10 250 0.0093 298.0 x - x x x x ** 012. 12 32 0.0072 234.6 x x - - x - ** 015. 15 32 0.0052 490.5 x x - - x - ** 020. 20 32 0.0035 1414 x x - - x - 300A 32 Vac ** 025. 25 32 0.0024 2041 x x - - x - ** 030. 30 32 0.0019 3717 - x - - x - 035. 35 32 0.0013 7531 - - - - - - Notes: * - 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