Axial Lead & Cartridge Fuses 2AG > Time Lag > 229/230 Series PS 229/230 Series 2AG, Slo-Blo Fuse with Indicating Option E 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 industr y 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 st andard 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 abilit y to Agency Approvals withst and high current, short duration pulses which Agency Agency File Number Ampere Range complies to short circuit requirements of UL 1459 for telephone equipment. Insulating sleeve option is E10480 250mA - 3.5A also available. Please refer to the Surge W ithst and Specifications section of this document for additional LR 29862 250mA - 7A information. E10480 4A - 7A Features NBK200405 - E10480C/D 1A - 3.5A Available in cartridge Fuses are available for PS NBK110512 - E10480A/B 4A - 5A E and axial lead form, and board washable with NBK210405 - E10480E/F 6A - 7A a wide range of lead the additional sealing forming dimension and process (add suffix A to 250mA - 7A packaging options part number) In accordance with UL Sleeved fuse option St andard 248-14 available (cont act Littelfuse for additional RoHS compliant and Electrical Characteristics for Series information) Lead-free % of Ampere Tripped fuse indicating Opening Time Rating option (add suffix S to 100% 4 hours, Minimum part number) 135% 1 hour, Maximum 3 seconds, Minimum Additional Information 200% 20 seconds, Maximum Datasheet Resources Samples 229 Series 229 Series 229 Series Datasheet Resources Samples 230 Series 230 Series 230 Series 2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/28/14Axial Lead & Cartridge Fuses 2AG > Time Lag > 229/230 Series Electrical Characteristic Specification by Item Agency Approvals Ampere Voltage Nominal Cold Nominal Amp Interrupting Rating Rating Resistance Melting PS Code Rating 2 2 E (A) (V) (Ohms) I t (A sec) .250 0.25 250 2.4300 0.216 x x x .350 0.35 250 1.3100 0.490 x x x .375 0.375 250 1.1685 0.580 x x x 35A 250Vac .500 0.5 250 0.6935 1.16 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 9.80 x x x x 01.5 1.5 250 0.1077 15.0 x x x x 10 0A 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 10 0A 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 40 0A 125Vac 40 0A 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 withst and 50 repetitions of a double exponential impulse wave having peak currents(lp) and peak volt ages as listed. Nominal Cold Nominal Ampere Rating Interrupting 10160 s 10560 s 101000 s Amp Code Resistance Melting (A) Rating 1500V 800V 1000V 2 2 (Ohms) I t (A sec) .250 0.25 2.4300 0.216 23.0A 16.6A 12.4A .350 0.35 1.3100 0.490 34.0A 25.8A 19.3A .375 0.375 1.1685 0.580 40.0A 25.4A 19.0A 60A 60 0Vac .500 0.5 0.6935 1.16 60.0A 37.7A 28.2A 40A 60 0Vac .600 0.6 0.4805 1.75 71.0A 47.2A 35.3A 7A 60 0Vac .750 0.75 0.3430 2.95 91.0A 65.5A 49.0A 2.2A 60 0Vac .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 9.80 162.0A 118.1A 100.0A * 50 0A peak, 250 0V, 210 microseconds, 20 repetitions 2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/28/14