Surface Mount Fuses RoHS Pb Lead-Free SlimLine™ 1206 Slo-Blo® Fuse 468 Series ® • Complies with electronic industry environmental standards for lead reduction. • Product is compatible with lead-free solders and higher temperature profiles. • Time delay feature withstands high in-rush currents and prevents nuisance openings. • Package is visually distinct from fast-acting version for easy identification. • Top side marking allows visual verification of amperage rating. ELECTRICAL CHARACTERISTICS: % of Ampere Rating 100% 200% 300% 800% Opening Time @ 25°C 4 hours, Minimum 1 sec., Min.; 120 sec., Max. 0.05 sec., Min.; 1.5 sec., Max. 0.0015 sec., Min.; .05 sec., Max. Reference Dimensions: MARKING CODE VARIES WITH AMPERAGE RATING (SEE CHART) .66 (.026") .58 (.023") 1.27 (.050") Coating AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. 1.52 (.060") INTERRUPTING RATINGS: 1.0A - 1.5A 2.0A 3.0A 50 amperes at 63 VAC/VDC 35 amperes at 63 VAC/VDC 50 amperes at 32 VAC/VDC 3.18 (.125") 1.65 (.065") ENVIRONMENTAL SPECIFICATIONS: 1.52 (.060") 4.83 (.190") Operating Temperature: –55°C to 90°C. Consult temperature 3.81 (.150") rerating chart on page 4. For operation above 90°C contact Littelfuse. Vibration: Withstands 10-55 Hz per MIL-STD-202F, Method 201A and 10-2000 Hz at 20 G’s per MIL-STD-202F, Method 204D, Condition D. 2.03 (.080") INFARED SOLDER 2.03 (.080") WAVE SOLDER Average Time Current Curves 200°C up to 260°C, maximum. 1A 1.5A 2A 3A Insulation Resistance (After Opening): Greater than 10,000 Ohms. Resistance to Soldering Heat: Withstands 60 seconds above 1.52 (.060") 1.14 (.045") 100 Thermal Shock: Withstands 5 cycles of -50°C to +125°C. PHYSICAL SPECIFICATIONS: Materials: Body: Epoxy Substrate 10 Terminations: 100% Tin Cover Coat: Conformal Coating Reflow Solder: 260°C, 30 seconds maximum PACKAGING SPECIFICATIONS: 8mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR. PATENTED TIME IN SECONDS Soldering Parameters: 1 0.1 ORDERING INFORMATION: Catalog Number Amperage Rating (A) Marking Code Voltage Rating (V) Nom. Cold Resistance Cold Ohm1 Nominal Melting I2t (A2sec)2 0468 001. 0468 01.5 0468 002. 0468 003. 1.0 1.5 2.0 3.0 TH TK TN TP 63 63 63 32 0.079 0.044 0.0325 0.0195 0.127 0.288 0.506 1.270 Measured at 10% of rated current, 25°C. 1 0.001 0.1 Measured at rated voltage. 2 368 0.01 w w w. l i t t e l f u s e . c o m 1 10 CURRENT IN AMPERES 100 ®