SURFACE MOUNT FUSES THIN-FILM SURFACE MOUNT SlimLine 1206 Very Fast-Acting Thin-Film Type 433 Series ® ® • The SlimLine 1206 is an extremely small, low profile design (1206 chip size) utilizing thin-film technology to achieve precise control of electrical characteristics. • The lower height profile produces a flat surface for improved performance in pick-and-place operations and an alternate solution for height critical application. • Mounting pad and electrical specification are identical to the popular 429 Series specifications. ELECTRICAL CHARACTERISTICS: AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. INTERRUPTING RATINGS: 0.125 – .375A 50 A @ 125 V AC/DC 0.5 – 2A 50 A @ 63 V AC/DC 2.5 – 3A 50 A @ 32 V AC/DC ENVIRONMENTAL SPECIFICATIONS: Operating Temperature: – 55°C to 90°C. Consult temperature rerating chart on page 4. For operation above 90°C contact Littelfuse. Vibration: Per MIL-STD-202F. Insulation Resistance (After Opening): Greater than 10,000 ohms. Resistance to Soldering Heat: Withstands 60 seconds above 200°C up to 260°C, maximum. Shelf Life (Solderability): 1 year min. Thermal Shock: Withstands 5 cycles of – 55° to 125°C. PHYSICAL SPECIFICATIONS: Materials: Body: Epoxy Substrate Terminations: Copper/Nickel/Tin-Lead (95/5) Cover Coat: Conformal Coating Soldering Parameters: Wave Solder — 260°C, 10 seconds maximum Infrared Solder — 260°C, 30 seconds maximum PACKAGING SPECIFICATIONS: 8mm Tape and Reel per EIA-RS481-2 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR. PATENTS: Patent Pending ORDERING INFORMATION: Catalog Ampere Marking Voltage Number Rating Code Rating 0433.125 .125 B 125 0433.200 .200 C 125 0433.250 .250 D 125 0433.375 .375 E 125 0433.500 .50 F 63 0433.600 .60 .6 63 0433.750 .75 G 63 0433.800 .80 .8 63 0433 001. 1.0 H 63 0433 1.25 1.25 J 63 0433 01.5 1.5 K 63 0433 1.75 1.75 L 63 0433 002. 2.0 N 63 0433 02.5 2.5 O 32 0433 003. 3.0 P 32 1 Measured at 10% of rated current, 25°C. 2 Measured at rated voltage. 32 Nominal Resistance Cold Ohms1 3.45 0.938 0.625 0.375 0.2405 0.2100 0.1370 0.1225 0.09950 0.07475 0.06250 0.05000 0.03975 0.03065 0.02625 Melting I 2t (A2 Sec.)2 0.00040 0.00055 0.0010 0.0028 0.0060 0.0131 0.0170 0.0305 0.0350 0.0650 0.125 0.150 0.230 0.50 0.70 Reference Dimensions: 3.18 (.125") .64 (.025") (4) Sn /Pb .58 (.023") 1.27 (.050") MARKING CODE VARIES WITH AMPERAGE RATING (SEE CHART) Sn /Pb .56 (.022") 1.52 (.060") 3.18 (.125") 1.65 (.065") 1.52 (.060") 4.83 (.190") 3.81 (.150") 1.52 (.060") 1.14 (.045") 2.03 (.080") REFLOW SOLDER 2.03 (.080") WAVE SOLDER Average Time Current Curves .25A .375A .5A .6A .75A .8A 1A 1.25A 1.5A 1.75A 2A 2.5A 3A Opening Time at 25°C 4 hours, Minimum 5 seconds, Maximum 0.2 seconds, Maximum 100 10 TIME IN SECONDS % of Ampere Rating 100% 200% 300% 1 0.1 0.01 0.001 0.1 1 10 CURRENT IN AMPERES 100