Littelfuse 451 Series 5A 125VAC Very Fast Acting SMD Fuse, 6125 Case Style

The Littelfuse 451 Series 0451005.MRL is a 5A, 125VAC very fast acting surface mount fuse, designed for reliable over-current protection in secondary side circuits. Its ceramic body, gold-plated caps, and tin-lead alloy termination ensure robust performance and durability in demanding applications.

This halogen-free fuse features a compact 6125 (metric) case size, making it ideal for PCB designs using surface mount technology. With a nominal cold resistance of 0.0125Ω, it offers low power dissipation and minimal impact on circuit performance.

Key Features

• Small size and low temperature derating for efficient thermal management.
• Wide operating temperature range from -55°C to 125°C.
• Breaking capacity of 50A AC and 300A DC for robust protection.
• Halogen-free construction for environmentally conscious designs.

Applications

This fuse is suitable for a variety of electronic applications, including safety systems, computers and peripherals, power management, communications and networking, HVAC, portable devices, wireless equipment, consumer electronics, automation and process control, and industrial equipment.

Specifications

• Fuse current: 5A
• Blow characteristic: Very fast acting
• Voltage rating AC: 125VAC
• Voltage rating DC: 125VDC
• Fuse case style: 6125 metric (2410 imperial)
• Product range: NANO2 451
• Nominal cold resistance: 0.0125Ω
• Operating temperature: -55°C to 125°C

Reliable, compact, and efficient, the Littelfuse 451 Series fuse is an excellent choice for protecting sensitive electronic circuits.