Surface Mount Fuses PICO® SMF Fuse > 459 Series 459 Series PICO® Very Fast-Acting Surface Mount Fuse PS E 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. 459 Series Features t7FSZ'BTU"DUJOH t8JEFDVSSFOUSBUJOHSBOHFN"UP" t8JEFPQFSBUJOHUFNQFSBUVSFSBOHF Agency Approvals AGENCY t-PXUFNQFSBUVSFSFSBUJOH AGENCY FILE NUMBER AMPERE RANGE E10480 62mA - 5A LR29862 62mA - 5A NBK030205-E10480B 1A - 5A t3P)4DPNQMJBOU Applications t 8JSFMFTTCBTFTUBUJPO PS E t /FUXPSLFRVJQNFOU t 5FMFDPNFRVJQNFOU Electrical Characteristics for Series % of Ampere Rating Opening Time 100% 4 hours, Minimum 200% 1 second, Maximum 300% 0.1 second, Maximum Electrical Specifications by Item Ampere Rating (A) Amp Code 0.062 .062 Max Voltage Rating (V) 125 0.125 .125 125 0.250 .250 125 Agency Approvals Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) 7.0000 0.000075 x x 1.7000 0.00163 x x 0.6650 0.0106 x x PS E 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 1.00 001. 125 50 A @125 VAC 0.1250 0.281 x x x 300 A @125 VDC 1.50 01.5 125 0.0800 0.650 x x x 2.00 002. 125 0.0468 0.421 x x x 2.50 02.5 125 0.0350 0.721 x x x 3.00 003. 125 0.0290 1.23 x x x 3.50 03.5 125 0.0240 1.65 x x x 4.00 004. 125 0.0200 2.35 x x x 5.00 005. 125 0.0155 3.90 x x x © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/459.html for current information. 459 Series Revised: April 24, 2012 Mount Fuses IntroductionSurface to Circuit Protection PICO® SMF FuseTransientology > 459 Series .25A .375A .500A .750A 1A 1.5A 2A 2.5A 3A 3.5A 4A 5A .125A Average Time Current Curves .062A Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 /PUF 1. Rerating depicted in this curve is in addition to the standard rerating of 25% for continuous operation. 0.01 Soldering Parameters Wave Soldering 260°C, 10 seconds max. Reflow Soldering 260°C, 30 seconds max. 0.001 0.05 0.1 1 10 100 CURRENT IN AMPERES Product Characteristics Materials Body: Molded Thermoplastic Terminations: 100% Tin-plated Copper (459 Series) Solderability MIL-STD-202, Method 208 Product Marking Body: Brand Logo, Current Rating, Voltage Rating, Series Code, Date Code, Agency Approved Logo Moisture Sensitivity Level Level 1 J-STD - 020C Operating Temperature –55OC to 125OC 459 Series Shock MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 msecs.) Vibration MIL-STD-202, Method 201 (10–55 Hz, 0.06 inch total excursion) Salt Spray MIL-STD-202, Method 101, Test Condition B (48 hours) Insulation Resistance MIL-STD-202, Method 302, (10,000 ohms minimum at 100 volts) (After Opening) Thermal Shock MIL-STD-202, Method 107, Test Condition B (–65 to 125°C) Moisture Resistance MIL-STD-202, Method 106, High Humidity (90-98 RH), Heat (65°C) © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/459.html for current information. Surface Mount Fuses PICO® SMF Fuse > 459 Series Part Numbering System Dimensions 0459 .500 UR 1 25 V LF ® 45 9 ® 4.32 (.170") B3 8.26 (.325") 2.03 (.080") 7.24(.285") REF. 3.05 (.120") 1.65 (.065") 2.97 (.117") 4.95 (.195") RECOMMENDED PAD LAYOUT 1.30(.051") REF. SERIES AMP Code Refer to Electrical Characteristics table QUANTITY Code UR = 500 pcs ER = 2500 pcs PACKAGING Code R = Tape and Reel Example: 0.62 Amp product is 0459 .062 UR (.5 Amp QSPEVDUTIPXOBCPWF Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code 12mm Tape and Reel EIA RS-481-1 (IEC 286, part 3) 500 UR 12mm Tape and Reel EIA RS-481-1 (IEC 286, part 3) 2500 ER © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/459.html for current information. 459 Series 459 Series 5A