R451.250L Littelfuse

Surface Mount Fuses 2 NANO > Very Fast-Acting > 451/453 Series PS E 451/453 Series Fuse Description 2 The Nano SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse which is very suitable for the secondary side circuit over-current protection applications and is designed for PCB using surface mount technology. Features Very fast acting Low temperature de-rating Small size RoHS compliant Wide range of current Agency Approvals rating available (62mA Halogen Free to 15A) AGENCY AGENCY FILE NUMBER AMPERE RANGE Wide operating temperature range E10480 6.3A - 15A LR29862 62mA - 15A Applications NBK030205-E10480B 1A - 5A PS Notebook PC Telecom system E NBK101105-E184655 6.3A - 10A LCD/PDP TV Wireless basestation E10480 62mA - 5A LCD monitor White goods LCD/PDP panel Game console LCD backlight inverter Office Automation Electrical Characteristics for Series equipment Portable DVD player % of Ampere Battery charging circuit Ampere Rating Opening Time Power supply Rating protection 100% 1/16 15 4 hours, Minimum Networking Industrial equipment 1/16 10 5 sec., Maximum PC server Medical equipment 200% 12 15 20 sec., Maximum Cooling fan system Automotive Storage system 2009 Littelfuse, Inc. 57 451/453 Series Specifications are subject to change without notice. Revised: January 10, 2012 Please refer to www.littelfuse.com/series/451.html or /453.html for current information. 451/453 Series Introduction to Circuit ProtectionIntroduction to Circuit ProtectionSurface Mount Fuses 2 Transientology NANO > Very Fast-Acting > 451/453 Series Electrical Specifications by Item Max Agency Approvals Ampere Nominal Cold Nominal Amp Voltage Interrupting Rating Resistance Melting Code Rating Rating PS 2 2 E (A) (Ohms) I t (A sec) (V) 0.062 .062 125 5.5000 0.00019 x x 0.080 .080 125 4.0500 0.00033 x x 0.100 .100 125 3.1000 0.00138 x x 0.125 .125 125 1.7000 0.00286 x x 0.160 .160 125 1.2157 0.0048 x x 0.200 .200 125 0.8372 0.0089 x x 0.250 .250 125 0.5765 0.0158 x x 0.315 .315 125 0.3918 0.0311 x x 0.375 .375 125 0.6100 0.0425 x x 0.400 .400 125 0.5600 0.0484 x x 0.500 .500 125 0.4200 0.0795 x x 0.630 .630 125 0.3050 0.143 x x 50 amperes 125VAC/VDC 0.750 .750 125 0.2450 0.185 x x 300 amperes 32VDC 0.800 .800 125 0.2120 0.271 x x PSE: 100 amperes 1.00 001. 125 0.1530 0.459 x x x 100VAC 1.25 1.25 125 0.0780 0.664 x x x 1.50 01.5 125 0.0630 0.853 x x x 1.60 01.6 125 0.0580 1.060 x x x 2.00 002. 125 0.0367 0.530 x x x 2.50 02.5 125 0.0286 1.029 x x x 3.00 003. 125 0.0227 1.650 x x x 3.15 3.15 125 0.0215 1.920 x x x 3.50 03.5 125 0.0200 2.469 x x x 4.00 004. 125 0.0160 3.152 x x x 5.00 005. 125 0.0125 5.566 x x x 6.30 06.3 125 0.0096 9.170 x x x 7.00 007. 125 0.0090 10.32 x x x 8.00 008. 125 0.0077 20.23 x x x 35 amperes 125 VAC/ 50 amperes 125 VDC 10.0 010. 125 300 amperes 32 VDC 0.0056 26.46 x x x PSE: 100 amperes 100VAC 12.0 012. 65 0.0049 47.97 x x 50 amperes 65 VAC/VDC 300 amperes 24 VDC 15.0 015. 65 0.0037 97.82 x x Notes: 2 - l t calculated at 8ms. - Resistance is measured at 10% of rated current, 25C 2009 Littelfuse, Inc. 451/453 Series 58 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/451.html or /453.html for current information.