443LC LITTELFUSE | Alldatasheet

Document overview

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Technical content

Features

  • 280VAC voltage rating
  • Slo-Blo ® Fuse
  • Available 0.50A – 5.00A
  • RoHS Compliant
  • Fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly RoHS % of Ampere Rating Opening Time 100% 4 hours, Minimum 250% 120 seconds, Maximum Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) Nominal Voltage Drop (mV) Agency Approvals 0.50 .500 280 50A @280VAC 0.600 1 .61 448 x 0.75 .750 280 0.275 3.025 285 x 1 0 01. 280 0.180 10.17 234 x 1 .50 01. 5 280 0.100 14.72 196 x 2 002. 280 0.052 18.06 154 x 2.50 02.5 280 0.035 18.13 139 x 3 003. 280 0.028 51 .44 113 x 3.50 03.5 280 0.019 53.14 98 x 4 004. 280 0.016 122.50 81 x 5 005. 280 0.0115 180.60 80 x Notes: 1. Cold resistance measured at less than 10% of rated current at 23°C. 2. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved 3. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options. The 443LC Series 280V Nano2 Fuse is a small square surface mount fuse that is designed to enable compliance with the RoHS directive. This product is fully compatible with lead-free solder alloy and higher temperature profiles associated with lead-free assembly.
  • AC/DC power adaptor
  • Telecom equipment system power
  • Portable system built-in AC/DC converter
  • High voltage DC/DC converter
  • Lighting System
  • LED Lighting

Description

Applications

Electrical Characteristics for Series AGENCY AGENCY FILE NUMBER AMPERE RANGE E10480 0.500A - 5.00A Additional Information Datasheet SamplesResources

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/10/17 Surface Mount Fuses NANO2® > 280VAC > Slo-Blo® Fuse > 443LC Series Average Time Current Curves Reflow Condition Pb – Free assembly Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (Min to Max) (ts) 60 – 120 secs Average ramp up rate (Liquidus Temp (TL) to peak 5°C/second max. TS(max) to TL - Ramp-up Rate 5°C/second max. Reflow - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 90 seconds Peak Temperature (TP) 260+0/–5 °C Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds Ramp-down Rate 5°C/second max. Time 25°C to peak Temperature (TP) 8 minutes max. Do not exceed 260°C Soldering Parameters T emperature Re-rating Curve 0.001 0.01 0.1 100 0.1 11 01 00 1000 TIME IN SECONDS CURRENT IN AMPS 0.50 A 0.75 A 1.00 A 1.50 A 2.00 A 2.50 A 3.00 A 3.50 A 4.00 A 5.00 A Note: 1 . Derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. Wave Soldering Parameters 260°C Peak Temperature, 3 seconds max. Time Temperature TP TL TS(max) TS(min) tP tL tS time to peak temperature (t 25ºC to peak) Ramp-down Ramp-up Preheat Critical Zone TL to TP

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/10/17 Surface Mount Fuses NANO2® > 280VAC > Slo-Blo® Fuse > 443LC Series Materials Body: Ceramic Cap: Silver Plated Brass Product Marking Body: Brand Logo, Current Rating Rated Voltage, T - C Characteristic “T” Insulation Resistance (after Opening) MIL -STD-202, Method 302, Test Condition A (10,000 ohms, Minimum) Solderability MIL -STD-202, Method 208 Resistance to Soldering Heat MIL -STD-202, Method 210, Test Condition B (10 sec at 260oC) Moisture Sensitivity Level Level 1 J-STD-020 PCB Recommendation for Thermal Management Min. copper layer thickness = 100um Min. copper trace width = 10mm Alternate methods of thermal man- agement may be used. In such cases, under normal operations, the maximum temperature of the fuse body should not exceed 80OC in a 25OC ambient environment. Product Characteristics 5A 3.12 (.123") 3.12 (.123") 10.10 (.397") 3.25 (.128") 3.43 (.135") 12.6 (.496") 6.10 (.240") Recommended Pad Layout1.70 typ (.067") AC280V T Dimensions Packaging Part Numbering System Packaging Option Packaging Specification Quantity Quantity & Packaging Code 24mm Tape and Reel EIA-RS 481-2 (IEC 286, part 3) 1500 DR Operating Temperature –55OC to 125OC with proper derating Thermal Shock MIL -STD-202, Method 107 , Test Condition B (5 cycles -65oC to +125oC) Vibration MIL -STD-202, Method 201 (10-55 Hz) Moisture Resistance MIL -STD-202, Method 106, High Humidity (90-98%RH), Heat (65oC) Salt Spray MIL -STD-202, Method 101, Test Condition B Mechanical Shock MIL -STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds) 0443 .500 D R LC SERIES VOLTAGE RATING AMP Code QUANTITY Code PACKAGING Code Refer to Electrical characteristics table D = 1500 pcs R = Tape and Reel 280VAC Example: 1 .5amp product is 0443 01.5 D R LC (0.5amp product shown above).