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Littelfuse 0453003MR Surface Mount Fuse

The Nano2® series 451/453 surface mount fuses are very fast-acting, wire-in-air (WIA) types designed for PCB-based secondary circuit overcurrent protection. These compact, RoHS compliant, halogen-free fuses feature a small size and wide current ratings from 0.062A to 20A, with voltage ratings up to 125VAC/VDC and 32VDC. They are ideal for applications in notebooks, LCDs, telecom systems, power supplies, industrial equipment, and network devices, with fast response to overcurrent conditions and reliable thermal shock, vibration, and mechanical shock resistance.

Authorized Distributors
Source:Newark
Part No:0453003.MR
Stock:2765
Inv Date:05-28-2026
Price: Unit price: $2.24
Buy/RFQ:
Source:DigiKey
Part No:0453003.MR
Stock:19791
Inv Date:05-28-2026
Price: Unit price: $0.8575
Buy/RFQ:
Part No:0453003.MR
Stock:212
Inv Date:05-28-2026
Price: Unit price: $1.87
Buy/RFQ:
Part No:0453003.MR
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $0.87
Buy/RFQ:
Part No:0453003.MR
Stock:13
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 0453003MR Surface Mount Fuse Specifications:

  • Current ratings: 0.062A to 20A
  • Voltage ratings: 125VAC/VDC, 32VDC, 100VAC (PSE), 75VDC
  • Temperature range: -65°C to +125°C
  • Body: Ceramic with gold, SnPb, or silver plated caps
  • Resistance test: 10% of rated current at 25°C
  • Pre-test pulse: 8ms, maximum
  • Soldering parameters: Reflow temperature 217°C, peak 260°C, 60-90 sec; wave soldering max 10 sec at 260°C
  • Mechanical shock: 375mA at -65°C, 18 shocks
  • Vibration: 10-55Hz, 2 hrs
  • RoHS and halogen-free compliant, available with gold or silver caps

Buy the Littelfuse Series 451 451/453 Surface Mount Fuse: 0453003MR

Ensure your electronic devices are protected with the high-quality, fast-acting surface mount fuse from Littelfuse. The Series 451/453 provides reliable overcurrent protection for PCB applications, available in various current ratings from 0.062A to 20A. Designed for easy PCB mounting, these RoHS compliant, halogen-free fuses feature ceramic bodies with different terminal plating options, ensuring durability and safety. Suitable for telecom, industrial, and consumer electronics, they deliver quick response to surge conditions and are ideal for power supplies, LCD monitors, and networking equipment. Order online today for prompt delivery and dependable circuit protection.

Order your Littelfuse Series 451 451/453 surface mount fuse today and ensure reliable protection for your electronic circuits with fast-acting, high-quality fuses.

Frequently Asked Questions

Where can I buy Littelfuse 0453003MR?

You can click on the BUY or RFQ button to purchase 0453003MR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0453003MR?

You can download the 0453003MR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0453003MR?

Littelfuse

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