Axial Lead & Cartridge Fuses PICO® ll > Very Fast-Acting > 263 Series 263 Series, PICO® II 250 Volt, Very Fast-Acting Fuse PS E Description The PICO® II 263 Series Fuse is a specially designed axial leaded fuse that achieves a 250V rating in a small package. Features • 250V rating • Very fast–acting • Small size • Wide range of current rating available (62mA to 5A) Agency Approvals Agency PS E Agency File Number Ampere Range E10480 62mA - 5A JET 1896-31007-1001 1A - 5A LR 29862 125mA - 5A Resources • Wide operating temperature range • Low temperature de-rating Applications • Lighting system • Office automation machines • Power supply • Audio/Video system • LCD/PDP TV • Medical equipment • LCD monitor Electrical Characteristics Additional Information Datasheet • RoHS compliant & Halogen-free Samples % of Ampere Rating Opening Time 100% 4 Hours, Min. 200% 1 Second, Max. 300% 0.1 Second, Max. Electrical Characteristics Ampere Rating (A) Amp Code 0.062 0.125 0.250 0.375 0.500 0.750 1.00 1.50 2.00 2.50 3.00 3.50 4.00 5.00 .062 .125 .250 .375 .500 .750 001. 01.5 002. 02.5 003. 03.5 004. 005. Max Voltage Rating (V) 250 250 250 250 250 250 250 250 250 250 250 250 250 250 Interrupting Rating 50 amperes at 250 VAC PSE: 100 amperes at 125 VAC. Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Nom Voltage Drop (mV) 5.50 1.75 0.715 0.391 0.332 0.150 0.105 0.0635 0.0444 0.0340 0.0274 0.0224 0.0193 0.0145 0.000192 0.00251 0.0165 0.0444 0.084 0.0411 0.087 0.398 0.74 1.197 1.77 2.33 3.08 5.55 0.74 0.3 0.235 0.195 0.302 0.176 0.165 0.148 0.137 0.128 0.1225 0.1175 0.1125 0.1065 Agency Approvals PS E x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/19/13 Axial Lead & Cartridge Fuses PICO® ll > Very Fast-Acting > 263 Series 3/8A 1/2A 3/4A 1A 1 1/2A 2A 2 1/2A 3A 3 1/2A 4A 5A 1/4A 1/8A Average Time Current Curves 1/16A Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 Note: 1. Derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 Soldering Parameters Recommended Process Parameters: Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) Temperature Minimum: 100° C Temperature Maximum: Preheat Time: 150° C 60-180 seconds Solder Pot Temperature: 260° C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350° C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/19/13 0.001 0.05 0.1 1 10 CURRENT IN AMPERES 100 Axial Lead & Cartridge Fuses PICO® ll > Very Fast-Acting > 263 Series Product Characteristics Materials Encapsulated, Epoxy-Coated Body: Solder Coated Copper Leads. RoHS compliant Product: Pure Tin–coated Copper wire leads Solderability MIL-STD-202. Method 208. Product Marking Body marking, current rating and logo Insulation Resistance (After Opening): Operating Temperature –55ºC to +125ºC Resistance to Soldering Heat Shock MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds) Thermal Shock Vibration Salt Spray Moisture Resistance MIL-STD-202, Method 106 Lead Pull Force MIL-STD-202, Method 211, Test Condition A (will withstand 7 lb. axial pull test) Part Numbering System Dimensions 0263 xxxx W R T1 L 62.7 (2.468") 27.78 (1.094") 0.64 (.025") 6.35 (.25") tape MIL-STD-202, Method 201 (10–55 Hz); MIL-STD-202, Method 204, Test Condition C (55–2000 Hz at 10 G’s Peak) MIL-STD-202, Method 101, Test Condition B (48 hrs.) MIL-STD-202, Method 302, Test Condition A (10,000 ohms minimum at 100 volts) MIL-STD-202, Method 210, Test Condition C (10 sec. at 260ºC) MIL-STD-202, Method 107, Test Condition B (–55ºC to 125ºC) 52.4 (2.062")* 7.11 (.280") LF 3 1/2 A 250 V 5.0 (.197") LF 3 1/2 A 250 V 27.78 (1.094") 3.94 (.16") MAX Series Current Rating Refer to Amp Code column of Electrical Characteristics Table 6.35 (.25") tape Quantity W = 3000 M = 1000 H = 100 Type of Packaging R = Reel A = Ammo Pack X = Loose Pack Lead Length T1: 52.4mm (2.062”)* RoHS + HF Packaging Packaging Option Packaging Specification T1: 52.4mm (2.062”) Tape and Reel EIA 296 Quantity Quantity & Packaging Code Please refer to available quantities above in “Part Numbering System” Notes: * T1 dimension is defined as the length of the component between the two tapes. The full component length is 62.7mm (2.468"). © 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/19/13