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0451004.MRL Littelfuse 0451004.MRL is a 4A, 125VAC/VDC fast-acting surface mount fuse in a 2-SMD square end block package.
Mfr Part #:

0451004.MRL

Available from 6 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 0451004.MRL is a 4A, 125VAC/VDC fast-acting surface mount fuse in a 2-SMD square end block package.
✓ Total Stock: 24,941 pcs

0451004.MRL Available from 6 distributors

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✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

0451004.MRL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity @ Rated Voltage
Current Rating
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Length
Melting I²t
Mounting Type
Operating Temperature
Package / Case
Response Time
Tape & Reel
Termination Style
Voltage Rating
Width
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0451004.MRL Description

Short technical summary and product information.

The Littelfuse 0451004.MRL is a 4A, 125VAC/VDC fast-acting (fast blow) surface mount fuse from the 451/453 Series Nano2 SMF family. It is designed for secondary side over-current protection in a wide range of electronic applications.

 

This fuse offers a breaking capacity of 50A at 125VAC/VDC and 300A at 32VDC. It features a very fast-acting response time and a melting I²t of 3.152 A²s. The operating temperature range is -55°C to 125°C.

 

The component is housed in a compact 2-SMD, square end block package measuring 6.10mm x 2.69mm x 2.69mm, suitable for surface mount assembly. It is RoHS compliant and halogen free, with agency approvals from CSA, PSE, and UL.

0451004.MRL Quick Information

Product Type: Surface Mount Fuse
Series: 451/453 Series
Canonical Name: Littelfuse 0451004.MRL 4A 125V Fast-Acting Surface Mount Fuse
Subcategory: Surface Mount Fuse

0451004.MRL Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

0451004.MRL Features

  • 4A current rating for over-current protection.
  • 125VAC/VDC voltage rating for versatile use.
  • Fast-acting response time for sensitive circuits.
  • Surface mount 2-SMD square end block package.
  • RoHS compliant and halogen free design.

0451004.MRL Applications

  • Used in notebook PC and LCD monitor circuits.
  • Ideal for power supply over-current protection.
  • Suitable for networking and telecom equipment.
  • Applied in battery charging circuit protection.

0451004.MRL FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0451004.MRL fuse?

The current rating is 4 A.

What is the voltage rating of this fuse?

The voltage rating is 125 V for both AC and DC.

What is the breaking capacity of the 0451004.MRL?

The breaking capacity is 50 A at 125 VAC/VDC and 300 A at 32 VDC.

Is this fuse fast-acting or slow-blow?

It is a fast blow (fast-acting) fuse.

What is the package or case style of this fuse?

The package is 2-SMD, Square End Block.

What is the operating temperature range?

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

What agency approvals does this fuse have?

It is approved by CSA, PSE, and UL.

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