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MRF 50 (shown)

250/277 Volt Radial Fuses

Pre-dominant radial lead package with U.S (UL/CSA)., Europe (VDE/Semko), China (CCC) and Japan (PSE) safety agency approvals, allows use of a single fuse rating in products with true World-Wide acceptance. Provides board level primary circuit protection in a wide variety of battery chargers, power supplies, modems, routers, consumer electronics, etc. Additionally, the UL Voltage rating of 277 VAC, provides for protection of ballasts, LED drivers, and other Lighting products.


  • Voltage Rating – 250 VAC / 63 VDC
    (UL rated for 277 VAC)
  • Amp Range – 80mA to 6.3A
  • Wave Solder Process – 260°C, 10 Sec., max.
  • Multiple Safety Agency Approvals
  • Operating Temperature: -55°C to +125°C
  • Mil-Std 202G Environmental Compliant

Design Features

  • Compact, round or rectangular body
    with 5mm Pin Spacing
  • 94V-0 Thermoplastic Housing
  • RoHS6 Compliant
  • Pb-Free
  • Halogen-Free
  • Bulk and Ammo Pack available
Synergy with 250/277 Volt Radial Fuses
RoHS Compliant