Surface Mount Fuses PICO SMF Fuse > 459 Series 459 Series PICO Very Fast-Acting Surface Mount Fuse Description The 459 Series Very Fast-Acting SMF is based on Littelfuse PICO fuse technology, though offered in a surface mount package. This series of devices meets the requirements of the RoHS directive. Features DUJOHSF BTU Z 7 t 8 SFOU SBUJOH SBOHF UP JEF DVS t VSF SBOHF 8 JEF PQFSBUJOH UFNQFSBU t Agency Approvals VSF SFSBUJOH X UFNQFSBU P t - AGENCY AGENCY FILE NUMBER AMPERE RANGE P)4 DPNQMJBOU t 3 E10480 62mA - 5A Applications LR29862 62mA - 5A t 8 JSFMFTT CBTFTU BUJPO t PSL FRVJQNFOU/FU X Electrical Characteristics for Series t FMFDPN FRVJQNFOU 5 % of Ampere Opening Time Rating 100% 4 hours, Minimum 200% 1 second, Maximum 300% 0.1 second, Maximum Electrical Specifications by Item Max Agency Approvals Ampere Amp Voltage Interrupting Nominal Cold Nominal Melting Rating 2 2 Code Rating Rating Resistance (Ohms) I t (A sec) (A) (V) 0.062 .062 125 7.0000 0.000075 x x 0.125 .125 125 1.7000 0.00163 x x 0.250 .250 125 0.6650 0.0106 x x 0.375 .375 125 0.3950 0.0254 x x 0.500 .500 125 0.2800 0.0546 x x 0.750 .750 125 0.1750 0.155 x x 50 A 125 VAC 1.00 001. 125 0.1250 0.281 x x 1.50 01.5 125 0.0800 0.650 x x 300 A 125 VDC 2.00 002. 125 0.0468 0.421 x x 2.50 02.5 125 0.0350 0.721 x x 3.00 003. 125 0.0290 1.23 x x 3.50 03.5 125 0.0240 1.65 x x 4.00 004. 125 0.0200 2.35 x x 5.00 005. 125 0.0155 3.90 x x 2009 Littelfuse, Inc. 459 Series 107 Specifications are subject to change without notice. Revised: August 4, 2009 Please refer to www.littelfuse.com/series/459.html for current information. 459 Series Surface Mount Fuses IntrIntroduction toduction too Cir Circuit Prcuit Prototectionection Transientology PICO SMF Fuse > 459 Series Temperature Rerating Curve Average Time Current Curves 100 10 1 0.1 /PUF 1. Rerating depicted in this curve is in addition to the standard rerating of 25% for 0.01 continuous operation. 0.001 0.05 0.1 1 10 100 CURRENT IN AMPERES Soldering Parameters Wave Soldering 260C, 10 seconds max. Reflow Soldering 260C, 30 seconds max. 2009 Littelfuse, Inc. 459 Series 108 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/459.html for current information. TIME IN SECONDS .062A .125A .25A .375A .500A .750A 1A 1.5A 2A 2.5A 3A 3.5A 4A 5A