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Littelfuse 0454007MR Slo-Blo Fuse

The 452/454 Series Slo-Blo® fuse from Littelfuse offers enhanced inrush withstand capabilities compared to standard fast-acting fuses. Designed for electronic applications, it features a unique time delay to prevent nuisance openings caused by inrush currents. Compact in size, it supports a wide range of current ratings from 0.375A up to 124A, and is RoHS compliant and halogen-free. Suitable for circuit protection in power supplies, telecom systems, LCD monitors, and wireless bases, this fuse ensures reliable operation across various temperature ranges and electrical environments, with robust build quality and precise thermal shock and vibration resistance.

Authorized Distributors
Source:DigiKey
Part No:0454007.MR
Stock:17253
Inv Date:05-28-2026
Price: Unit price: $0.99087
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Part No:0454007.MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.4
Buy/RFQ:
Part No:0454007.MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.23
Buy/RFQ:
Part No:0454007.MR
Stock:335
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0454007MR Slo-Blo Fuse Specifications:

  • Current Rating: 0.375A to 124A
  • Temperature Range: -65°C to 125°C
  • Body Material: Ceramic
  • Termination Material: Gold-plated caps / Sn-dipped silver-plated caps
  • Resistance: <0.00 ohms after heat test at 260°C
  • Rated Voltage: 50A @ 125 VAC/VDC, 300A @ 32 VDC
  • Vibration Resistance: 10-55 Hz for 2 hours
  • Shock Resistance: 100G's, 6ms sawtooth wave
  • RoHS & Halogen Free: Yes
  • Lead Free Solderability: 60-90 seconds at 217°C
  • Operating Temperature: -65°C to 125°C
  • Reflow Soldering: T_min 150°C, T_max 200°C, time 60-120 sec
  • Wave Soldering: Max temperature 260°C for 3 sec
  • Certifications: MILSTD-202, J-STD-020
  • Packaging: Tape and reel for 12mm tape

Buy the Buy Littelfuse Slo-Blo Fuse Part Number 0454007MR Online

Secure your electronic systems with the high-reliability Slo-Blo fuse. Designed for precision circuit protection, it withstands high inrush currents and provides durable performance. Its compact size and wide current ratings make it suitable for power supplies, telecom, and display devices. RoHS compliant and halogen-free, it ensures safety and environmental standards. Easy to install with robust ceramic body, gold or silver-plated caps, and excellent vibration resistance. Trust this fuse to protect your valuable electronics efficiently and reliably in diverse applications.

Buy Littelfuse 0454007MR now and experience unmatched reliability and thermal stability in electronic circuit protection.

Frequently Asked Questions

Where can I buy Littelfuse 0454007MR?

You can click on the BUY or RFQ button to purchase 0454007MR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0454007MR?

You can download the 0454007MR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0454007MR?

Littelfuse

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