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0451001.MR The Littelfuse 0451001.MR is a 1A, 125V, very fast-acting surface mount fuse in a 2-SMD square end block package. It is RoHS compliant and Halogen Free.
Mfr Part #:

0451001.MR

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse 0451001.MR is a 1A, 125V, very fast-acting surface mount fuse in a 2-SMD square end block package. It is RoHS compliant and Halogen Free.
Total Stock: 2,140 pcs

0451001.MR Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,140 pcs
1140 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request

0451001.MR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Automotive Grade
Breaking Capacity
Breaking Capacity @ Rated Voltage
Current Rating
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Industrial Grade
Length
Medical Grade
Melting I²t
Military Grade
Mounting Type
Operating Temperature
Package / Case
Response Time
SVHC Present
Tape & Reel
Voltage Rating
Width

0451001.MR Description

Short technical summary and product information.

The Littelfuse 0451001.MR is a Nano2 451/453 Series very fast-acting surface mount fuse designed for secondary side circuit over-current protection. It is rated for 1A at 125V AC/DC with a breaking capacity of 50A at rated voltage. The fuse features a fast blow response time and a melting I²t of 0.459 A²s.

 

This surface mount fuse is housed in a compact 2-SMD square end block package measuring 6.10mm x 2.69mm x 2.69mm. It operates over a wide temperature range of -55°C to 125°C, making it suitable for demanding environments. The component is approved by CSA, PSE, and UL, and is RoHS compliant and Halogen Free.

 

Typical applications include notebook PCs, LCD/PDP TVs, LCD monitors, power supplies, networking equipment, telecom systems, battery charging circuits, and industrial equipment. The wire-in-air (WIA) design provides reliable over-current protection in a small footprint.

0451001.MR Quick Information

Product Type: Surface Mount Fuse
Series: 451/453 Series
Canonical Name: Littelfuse 0451001.MR Nano2 451/453 Series Very Fast-Acting Surface Mount Fuse, 1A, 125V, Fast Blow
Subcategory: Very Fast-Acting Fuse

0451001.MR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

0451001.MR Features

  • Rated for 1A at 125V AC/DC.
  • Very fast-acting response time.
  • Surface mount 2-SMD square end block package.
  • Operating temperature range -55°C to 125°C.
  • RoHS compliant and Halogen Free.

0451001.MR Applications

  • Over-current protection in notebook PCs.
  • Used in LCD/PDP TV power supplies.
  • Protection for networking and telecom equipment.
  • Battery charging circuit protection.
  • Industrial equipment over-current protection.

0451001.MR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0451001.MR fuse?

The current rating is 1 A.

What is the voltage rating of the 0451001.MR fuse?

The voltage rating is 125 V.

What is the breaking capacity of the 0451001.MR fuse?

The breaking capacity is 50 A at rated voltage.

What is the response time of the 0451001.MR fuse?

The response time is fast blow (very fast-acting).

What is the package or case style of the 0451001.MR fuse?

The package is 2-SMD, square end block.

What is the operating temperature range of the 0451001.MR fuse?

The operating temperature range is -55°C to 125°C.

What are the agency approvals for the 0451001.MR fuse?

The fuse is approved by CSA, PSE, and UL.

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