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Instantly add the 443E Series - NANO²® High Breaking Capacity 250V Surface Mount Fuse and 50,000+ more product series to your store or catalog  
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443E Series - NANO²® High Breaking Capacity 250V Surface Mount Fuse

Brand: Littelfuse, Inc
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The 443E Series is a Nano2®, 250 V fuse. It is a surface mount Universal Modular Fuse (UMF) that complies with IEC 60127-4.

It is RoHS-compliant and fully compatible with lead-free solder alloy and higher temperature profiles associated with lead-free assembly.
Features
  • 250VAC/VDC voltage rating with 200 A interrupting rating
  • Slo-Blo® Fuse
  • RoHS compliant
  • Fully compatible with lead free solder alloys and higher temperature profiles associated with lead free assembly
  • Avoids nuisance opening due to high inrush and surge current inherent in the system
  • Suits high voltage applications requiring high interrupting current

1 - 1 of 1 Part Numbers
04431.25ERE
04431.25ERE
443E Series - NANO²® High Breaking Capacity 250V Surface Mount Fuse
  • VDC/VAC (V): 250
  • Nominal Melting I2T (A2sec): 3.97
  • Resistance (Ω): 0.1
  • Body: Ceramic
  • Opening: Slo-Blo/Time Lag (T)/Time Delay
  • Operating Temperature: -55° to 125°C
1 - 1 of 1 Part Numbers

Specifications

Brand

Materials

  • Body: Ceramic
  • Cap: Silver Plated Brass

Product Marking

  • Voltage rating, Ampere rating, T-Characteristic, ”T” and Brand

Temperature Humidity Bias

  • MIL-STD-202, Method 103, (85° C, 85 % Relative Humidity with 10 % hold current)

Solderability

  • MIL-STD-202, Method 208 (95 % coverage)

Resistance to Soldering Heat

  • MIL-STD-202, Method 210

Pulse Test

  • IEC 60127-1, 9.5 (25° C ± 5° C,pulse 100 % rated current)

Terminal Strength Test

  • MIL-STD-202, Method 211, Test Condition A (5N force to the side for 60 sec)

Endurance Test

  • IEC 60127-1, 9.4 (25° C ± 5° C, 100 % rated current for 1 hour, stop current for 15 mins. 100 cycles. Test for voltage drop to determine Max. power disipation)

Operating Temperature

  • -60° C to 130° C

Temperature Cycling

  • JESDD22 - A104(-40° C to 125° C)

High Frequency Vibration

  • MIL-STD-202, Method 204 (55 Hz - 2 Hz, 10G)

Low Temperature Storage

  • MIL-STD-202, Method 108 (-40° C for 1000 hours)

High Temperature Storage

  • MIL-STD-202, Method 108 (125° C for 1000 hours)

Mechanical Shock

  • MIL-STD-202, Method 213, (50 G’s peak for 11 milliseconds, halfsine waveform/10-55 Hz)

High Temperature Operating Life Test

  • JESD 22 - A108 (125° C rated current at any voltage), 1000H duration

Approvals

  • UL
  • CE
  • VDE
  • CQC

  • AC/DC Power Adaptor
  • Telecom Equipment System Power
  • Portable System Built-in AC/DC Converter

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