Axial Lead & Cartridge Fuses 2AG > Time Lag > 229/230 Series PS RoHS Pb E 229/230 Series 2AG, Slo-Blo Fuse with Indicating Option Description Littelfuse 229/230 series Slo-Blo Fuses are available in 2AG size cartridge or axial lead form, offer tripped fuse indicating option, and offer features designed to meet rigorous Telecom industry requirements. 229/230 series product ordered with the tripped fuse indicating option show discoloration of the glass body immediately after trip. They offer the same performance characteristics as standard product, and help to reduce time locating the tripped fuse and troubleshooting circuit issues. The 229/230 series 0.25A - 1.25A range combines conventional overcurrent protection with ability to Agency Approvals withstand high current, short duration pulses which Agency Agency File Number Ampere Range complies to short circuit requirements of UL 60950-1/ UL 62368-1 for telephone equipment. Insulating sleeve E10480 0.250A - 3.5A option is also available. R efer to the Surge Withstand Specifications section of this document for additional 29862 0.250A - 3.5A information. E10480 4A - 7A Features 29862 4A - 7A Available in cartridge Fuses are available for 229 (Cartridge Form) 1A - 3.5A and axial lead form, and board washable with NBK200405-E10480C 4A - 5A NBK110512-E10480A a wide range of lead the additional sealing 6A - 7A NBK190619-E10480A PS forming dimension and process (add suffix A to E 230 (Axial Leaded Form) packaging options part number) 1A - 3.5A NBK200405-E10480D 4A - 5A In accordance with UL/ Sleeved fuse option NBK110512-E10480B 6A - 7A NBK190619-E10480B CSA/NMX available (contact Standard 248-14 Littelfuse for additional N/A 0.250A - 7A information) RoHS compliant and Lead-free Tripped fuse indicating option (add suffix S to part number) Additional Information Electrical Characteristics for Series % of Ampere Rating Opening Time 100% 4 hours, Minimum 135% 1 hour, Maximum Datasheet Resources Samples Accessories 3 seconds, Minimum 229 Series 229 Series 200% 229 Series 229 & 230 Series 20 seconds, Maximum Datasheet Resources Samples 230 Series 230 Series 230 Series For recommended fuse accessories for this product series, see Recommended Accessories section. 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/08/19Axial Lead & Cartridge Fuses 2AG > Time Lag > 229/230 Series Electrical Characteristic Specification by Item Agency Approvals Ampere Voltage Nominal Amp Interrupting Nominal Cold Rating Rating Melting PS Code Rating Resistance (Ohms) 2 2 E (A) (V) I t (A sec) .250 0.25 250 2.4300 0.339 x x x .350 0.35 250 1.3100 0.640 x x x .375 0.375 250 1.1685 0.820 x x x 35A 250Vac .500 0.5 250 0.6935 1.64 x x x 10KA 125Vac 10KA 125Vdc .600 0.6 250 0.4805 1.75 x x x 80A 310Vac .750 0.75 250 0.3430 2.95 x x x .800 0.8 250 0.3060 3.45 x x x 001. 1 250 0.2120 5.64 x x x x 1.25 1.25 250 0.1460 16.8 x x x x 01.5 1.5 250 0.1077 20.0 x x x x 100A 250Vac 002. 2 250 0.0698 30.0 x x x x 10KA 125Vac 10KA 125Vdc 2.25 2.25 250 0.0567 39.0 x x x x 80A 310Vac 02.5 2.5 250 0.0502 50.0 x x x x 003. 3 250 0.0383 77.0 x x x x 100A 250Vac 03.5 3.5 250 10KA 125Vac 0.0312 110.0 x x x x 10KA 125Vdc 004. 4 125 0.0258 148.0 x x x x 005. 5 125 0.0186 267 x x x x 400A 125Vac 400A 125Vdc 006. 6 125 0.0141 380 x x x x 007. 7 125 0.0116 464 x x x x Surge Withstand Specificatons Peak Withstand Current(lp): These fuses will withstand 50 repetitions of a double exponential impulse wave having peak currents(lp) and peak voltages as listed. Nominal Cold Interrupting Nominal Melting 10160 s 10560 s 101000 s Amp Code Ampere Rating (A) Resistance 2 2 Rating I t (A sec) 1500V 800V 1000V (Ohms) .250 0.25 2.4300 0.339 23.0A 16.6A 12.4A .350 0.35 1.3100 0.640 34.0A 25.8A 19.3A .375 0.375 1.1685 0.820 40.0A 25.4A 19.0A 60A 600Vac .500 0.5 0.6935 1.64 60.0A 37.7A 28.2A 40A 600Vac .600 0.6 0.4805 1.75 71.0A 47.2A 35.3A 7A 600Vac .750 0.75 0.3430 2.95 91.0A 65.5A 49.0A 2.2A 600Vac .800 0.8 0.3060 3.45 104.0A 68.9A 51.6A 001. 1 0.2120 5.64 130A 88.6A 66.3A 1.25 1.25* 0.1460 16.8 162.0A 118.1A 100.0A * 500A peak, 2500V, 210 microseconds, 20 repetitions 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/08/19