476 Series - NANO²® Fast-Acting Subminiature Surface Mount Fuse

Brand: Littelfuse, Inc

The 476 Series NANO subminiature fuse is a 2410 250V-rated, fast-acting fuse specifically designed for primary-side circuit protection of compact 250V applications.
Features
  • Surface Mount Type
  • 250V-rated fast-acting fuse in a 2410 footprint
  • High operating temperature at 125oC
  • IEC Surge Immunity test compliant (3A and above ampere rating only)
  • RoHS compliant and Halogen-Free
  • Wide Operating temperature range of -55°C to 125°C
  • IEC 61547 Surge Compliant (tested per IEC 61000-4-5 with a combination wave of 500V, 1.2/50us and 250A, 8/20us for ≤25W Luminaires) – only for 3A and above

Specifications

Materials

  • Body: Ceramic
  • Cap: Silver-Plated Brass/Sn Dipped, Silver-Plated Brass/Gold-Plated Brass

Product Marking

  • Body: Brand Logo, Current Rating

Operating Temperature

  • -55° to 125° C

Moisture Sensitivity Level

  • Level 1

Solderability

  • MIL-STD-202, Method 208

Insulation Resistance (After Opening)

  • IEC 60127-4 (0.1 Mohm minimum)

Thermal Shock

  • MIL-STD-202, Method 107, Test Condition B, 5 cycles, -65° to 125° C, 15 minutes @ each extreme

Mechanical Shock

  • MIL-STD-202, Method 213, Test Condition I: De-energized. 100G’s peak amplitude, sawtooth wave 6 ms duration, 3 cycles XYZ+xyz = 18

Vibration

  • MIL-STD-202, Method 201: 0.03" amplitude, 10-55 Hz in 1 min. 2 hours each XYZ = 6 hours (10-55 Hz)

Moisture Resistance

  • MIL-STD-202, Method 106, 10 cycles

Salt Spray

  • MIL-STD-202, Method 101, Test Condition B (48 hours)

Resistance to Soldering Heat

  • MIL-STD-202, Method 210, Test Condition B (10 sec at 260° C)

Approvals

  • UL
  • PSE

  • LED Lighting
  • LCD/LED TVs
  • Power Supply Units
  • White Goods
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