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 3AG Fast-Acting Fuse 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 Agency Agency File Number Ampere Range Used as supplementary protection in appliance or E10480 0.062A - 25A utilization equipment to provide individual protection for 312 Series: 0.062A - 30A components or internal circuits. 29862 318 Series: 0.062A - 10A (312 Series) Electrical Characteristics for Series NBK040205-E10480B 1A - 5A NBK040205-E10480F 6A - 10A % of Ampere PS Ampere Rating Opening Time E Rating (318 Series) 1A - 5A 0.062A 35A 4 hours, Minimum 100% NBK040205-E10480D 6A - 10A NBK040205-E10480H 0.062A 35A 1 hour, Maximum 135% 0.062A 10A 5 sec., Maximum E10480 318 Series: 12A - 30A 200% 12A 30A 10 sec., Maximum 1A - 2A SU05001-6008 35A 20 sec., Maximum 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. 2018 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 06/06/18Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series Electrical Characteristic Specifications by Item Nominal Agency Approvals Voltage Nominal Amp Ampere Interrupting Cold Rating Melting PS Code Rating (A) Rating Resistance 2 2 E (V) I t (A sec) (Ohms) .062 0.062 250 24.7000 0.000249 x x x .100 0.1 250 11.2800 0.00171 x x x .125 0.125 250 7.1450 0.00289 x x x .150 0.15 250 5.1300 0.00550 x x x .175 0.175 250 3.8750 0.00960 x x x .187 0.187 250 3.4200 0.0128 x x x .200 0.2 250 3.0200 0.0165 x x x 35A 250Vac 10KA 125Vac .250 0.25 250 2.0100 0.0355 x x x .300 0.3 250 1.4050 0.0689 x x x .375 0.375 250 0.8250 0.185 x x x .500 0.5 250 0.4980 0.483 x x x .600 .6 250 0.3620 0.880 x x x .750 0.75 250 0.2445 1.84 x x x 001. 1 250 0.1900 0.760 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 2.80 x x x x x 1.75 1.75 250 0.0856 3.60 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 5.20 x x x x x 2.25 2.25 250 0.0594 7.20 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 318 Series 12A to 30A, the agency approval is only cURus. 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/06/18