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Littelfuse 0454003MR Slo-Blo Fuse Series

The 452/454 Series Slo-Blo fuse offers enhanced inrush withstand capabilities, making it ideal for protecting electronic circuits against surge currents. Its small size, wide current range from 0.375A to 128A, and RoHS compliance with halogen-free construction make it suitable for compact, environmentally friendly designs. These fuses feature a ceramic body, gold-plated or silver-plated caps, and are tested for thermal shock, vibration, and moisture resistance. They are frequently used in power supplies, networking, and industrial equipment, providing reliable overcurrent protection with precise time-delay characteristics.

Authorized Distributors
Source:Newark
Part No:0454003.MR
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $2.6
Buy/RFQ:
Source:DigiKey
Part No:0454003.MR
Stock:12105
Inv Date:05-28-2026
Price: Unit price: $2.71
Buy/RFQ:
Part No:0454003.MR
Stock:580
Inv Date:05-28-2026
Price: Unit price: $0.6
Buy/RFQ:
Part No:0454003.MR
Stock:194
Inv Date:05-28-2026
Price: Unit price: $1.353
Buy/RFQ:
Part No:0454003.MR
Stock:194
Inv Date:05-28-2026
Price: Unit price: $1.353
Buy/RFQ:
Part No:0454003.MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.87
Buy/RFQ:

Littelfuse 0454003MR Slo-Blo Fuse Series Specifications:

  • Body Material: Ceramic
  • Termination Material: Gold-plated or Silver-plated Caps
  • Ampere Ratings: 0.375A to 128A
  • RoHS Compliance: Yes
  • Halogen Free: Yes in RoHS versions
  • Temperature Resistance: -65°C to 125°C
  • Mechanical Shock: 100G’s pk amplitude
  • Vibration Resistance: 10-55 Hz for 2 hours
  • Moisture Resistance: Approved per MILSTD-202, Method 106
  • Soldering: Peak temperature 260°C for 3 seconds, Wave soldering compliant
  • Physical Dimensions: Diameter varies between 0.057
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Buy the Littelfuse Series 452/454 Slo-Blo Fuse: 0454003MR

Purchase the Littelfuse Series 452/454 Slo-Blo Fuse now to ensure excellent surge endurance and precise overcurrent protection for your electronic and industrial devices. With RoHS compliance and halogen-free options, these ceramic-bodied surface mount or through-hole fuses provide excellent thermal stability, vibration, and moisture resistance. Their wide current range allows application flexibility, from small electronics to heavy-duty industrial systems. Easy to order online, these fuses guarantee safety, durability, and compliance with international standards for high-reliability circuit protection, making them ideal for critical power management and surge protection needs.

Order your Littelfuse Series 452/454 Slo-Blo Fuse today and give your circuits the reliable overcurrent protection they deserve.

Frequently Asked Questions

Where can I buy Littelfuse 0454003MR?

You can click on the BUY or RFQ button to purchase 0454003MR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0454003MR?

You can download the 0454003MR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0454003MR?

Littelfuse

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