0459 LITTELFUSE | Alldatasheet
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www.littelfuse.com Subminiature Surface Mount PICO® SMF 459 and 460 Series Fuses ENVIRONMENTAL SPECIFICATIONS: Operating Temperature:–55°C to 125°C. Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds). Vibration: MIL-STD-202, Method 201 (10–55 Hz, .06 in. total excursion). Salt Spray: MIL-STD-202, Method 101, Test Condition B (48 hrs.). Insulation Resistance (After Opening): MIL-STD-202, Method 302, (10,000 ohms minimum at 100 volts). 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°). PHYSICAL SPECIFICATIONS: Materials:Body: Molded Thermoplastic Terminations: 100% Tin Plated Copper(459 Series) 100% Tin Plated Copper(460 Series) Solderability: MIL-STD-202, Method 208. PACKAGING SPECIFICATIONS:12mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 500 per reel, add packaging suffix, UR. ELECTRICAL CHARACTERISTICS: % of Ampere Opening Rating Time 100% 4 hours, Minimum 200% 1 second, Maximum 300% 0.1 second, Maximum
459 SERIES AGENCY APPROVALS:Recognized under the
Components Program of Underwriters Laboratories and Certified by CSA. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
459 SERIES INTERRUPTING RATINGS:
50 amperes at 125 VAC. 300 amperes at 125 VDC. Soldering Parameters: Wave Solder — 260°C, 10 seconds maximum Reflow Solder — 260°C, 30 seconds maximum Resistance to Soldering Heat: MIL-STD-202, Method 210, Test Condition F (10 sec. at 260°C). PATENTED ORDERING INFORMATION: PICO® SMF Slo-Blo® Type Fuse 460 Series ELECTRICAL CHARACTERISTICS: % of Ampere Opening Rating Time 100% 4 hours, Minimum 200% 1 second, Min.; 120 seconds, Max. 300% 0.2 second, Min.; 3 seconds, Max. 800% 0.02 second, Min.; 0.1 second, Max.
460 SERIES AGENCY APPROVALS:Recognized under the
Components Program of Underwriters Laboratories and Certified by CSA. Approved by METI from 1 through 5 amperes.
460 SERIES INTERRUPTING RATINGS:
50 amperes at 125 VAC. 50 amperes at 125 VDC. Soldering Parameters: Wave Solder — 260°C, 3 seconds maximum Reflow Solder — 230°C, 30 seconds maximum Resistance to Soldering Heat: MIL-STD-202, Method 210 (3 sec. at 260°C) ORDERING INFORMATION: Nominal Nominal Catalog Ampere Voltage Resistance Melting I 2t Number Rating Rating Cold Ohms A 2 Sec. 0460.500 1/2 125 1.19 0.210 0460.750 3/4 125 0.497 0.760 0460 001 1 125 0.280 2.01 0460 01.5 1 1/2 125 0.116 3.94 0460 002 2 125 0.071 7.60 0460 02.5 2 1/2 125 0.052 13.0 0460 003 3 125 0.038 21.0 0460 03.5 3 1/2 125 0.024 26.8 0460 004 4 125 0.0194 35.0 0460 005 5 125 0.0133 54.8 ® ® Nominal Nominal Catalog Ampere Voltage Resistance Melting I 2t Number Rating Rating Cold Ohms A 2 Sec. 0459.062 1/16 125 7.0 0.000075 0459.125 1/8 125 1.70 0.00163 0459.250 1/4 125 0.665 0.0106 0459.375 3/8 125 0.395 0.0254 0459.500 1/2 125 0.280 0.0546 0459.750 3/4 125 0.175 0.155 0459 001 1 125 0.125 0.281 0459 01.5 1 1/2 125 0.0800 0.650 0459 002 2 125 0.0468 0.421 0459 02.5 2 1/2 125 0.0350 0.721 0459 003 3 125 0.0290 1.23 0459 03.5 3 1/2 125 0.0240 1.65 0459 004 4 125 0.0200 2.35 0459 005 5 125 0.0155 3.90 4.32 (.170")
5 A 1 2 5 V
B 3® ® 3.05 (.120") 2.97 (.117") 7.24(.285") REF. 8.26 (.325") 1.65 (.065") 4.95 (.195") 1.30(.051") REF. 2.03 (.080") RECOMMENDED PAD LAYOUT PICO® SMF Very Fast-Acting Type Fuse 459 Series ® ® RoHS 10SURFACE MOUNT FUSES RoHS