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0453004.MR Littelfuse 0453004.MR is a 4A, 125VAC/VDC very fast-acting surface mount fuse in a 2-SMD square end block package. It is RoHS compliant and halogen free.
Mfr Part #:

0453004.MR

Available from 3 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 0453004.MR is a 4A, 125VAC/VDC very fast-acting surface mount fuse in a 2-SMD square end block package. It is RoHS compliant and halogen free.
✓ Total Stock: 39,040 pcs

0453004.MR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
38,000 pcs
On Request
38000 pcs On Request 1 On Request On Request 18+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
530 pcs
On Request
530 pcs On Request 1 On Request On Request On Request On Request On Request
Tokyo Device ✓
Non-Authorised Inventory information
510 pcs
On Request
510 pcs On Request 1 On Request On Request On Request On Request On Request
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.

0453004.MR 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)
Failure Rate
Fuse Type
Halogen Free
Height
Length
Medical Grade
Melting I²t
Military Grade
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Response Time
SVHC Present
Tape & Reel
Termination Style
Voltage Rating
Width
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0453004.MR Description

Short technical summary and product information.

The Littelfuse 0453004.MR is a 4A, 125VAC/VDC very fast-acting surface mount fuse from the 451/453 series. It features a Nano2 SMF package with a 2-SMD square end block form factor, designed for secondary side over-current protection in a wide range of electronic applications.

 

This fuse offers a breaking capacity of 50A at rated voltage and a nominal melting I²t of 3.152 A²s. It operates over a temperature range of -55°C to 125°C, making it suitable for demanding environments. The part is UL listed and recognized, CSA certified, and PSE approved.

 

The surface mount design enables automated assembly, and the compact 6.10mm x 2.69mm x 2.69mm footprint saves board space. Typical applications include notebook PCs, LCD displays, power supplies, networking equipment, and battery charging circuits.

0453004.MR Quick Information

Product Type: Surface Mount Fuse
Series: 451/453
Canonical Name: Littelfuse 0453004.MR Nano2 SMF 4A 125VAC/VDC Very Fast-Acting Surface Mount Fuse
Subcategory: Very Fast-Acting Fuse

0453004.MR Compliance

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

0453004.MR Features

  • 4A current rating at 125VAC/VDC.
  • Very fast-acting response time.
  • 50A interrupting rating at rated voltage.
  • Surface mount Nano2 SMF package.
  • RoHS compliant and halogen free.

0453004.MR Applications

  • Secondary side over-current protection in power supplies.
  • Over-current protection for LCD monitors and TVs.
  • Protection for notebook PC and portable DVD circuits.
  • Battery charging circuit protection.
  • Networking and telecom system protection.

0453004.MR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0453004.MR fuse?

The 0453004.MR fuse is rated for 4A.

What is the voltage rating of this fuse?

It is rated for 125VAC and 125VDC.

What is the breaking capacity of the 0453004.MR?

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

Is this fuse fast-acting or slow-blow?

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

What package does the 0453004.MR come in?

It comes in a 2-SMD square end block package (Nano2 SMF).

What is the operating temperature range?

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

What are the agency approvals for this fuse?

It is approved by CSA, PSE, and UL.

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