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045306.3MR Littelfuse 045306.3MR Nano2 very fast-acting surface mount fuse rated at 6.3A and 125VAC/VDC, featuring a 50A breaking capacity.
Mfr Part #:

045306.3MR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 045306.3MR Nano2 very fast-acting surface mount fuse rated at 6.3A and 125VAC/VDC, featuring a 50A breaking capacity.
Total Stock: 795 pcs

045306.3MR Available from 1 distributor

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795 pcs
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045306.3MR Specifications Quick View

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

045306.3MR Description

Short technical summary and product information.

The Littelfuse 045306.3MR is a 6.3A, 125VAC/VDC very fast-acting (fast blow) surface mount fuse from the Nano2 series. It is designed for secondary side circuit over-current protection in compact electronic assemblies.

 

Electrical characteristics include a 50A breaking capacity at rated voltage and a melting I²t of 9.17 A²s. The fuse operates over a temperature range of -55°C to 125°C.

 

The component uses a 2-SMD square end block package measuring 6.10mm x 2.69mm x 2.69mm. It is approved by CSA, PSE, and UL, and is RoHS compliant.

045306.3MR Quick Information

Product Type: Surface Mount Fuse
Series: 453
Canonical Name: Littelfuse 045306.3MR Nano2 SMD Very Fast-Acting Fuse, 6.3A, 125VAC/VDC, Surface Mount, Square End Block
Subcategory: Board Mount Fuse

045306.3MR Compliance

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

045306.3MR Features

  • Very fast-acting (fast blow) fuse element.
  • Rated for 6.3A at 125VAC/VDC.
  • Surface mount in 2-SMD package.
  • 50A interrupting rating at rated voltage.
  • Operating temperature range -55°C to 125°C.

045306.3MR Applications

  • Protect secondary side circuits in power supplies.
  • Used in notebook PC and LCD TV assemblies.
  • Battery charging circuit over-current protection.
  • Suitable for networking and telecom equipment.

045306.3MR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the 045306.3MR fuse?

The fuse has a current rating of 6.3 A.

What is the voltage rating of the 045306.3MR?

The voltage rating is 125 V (AC or DC).

Is the 045306.3MR a fast-acting or slow-blow fuse?

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

What is the breaking capacity of the 045306.3MR?

The breaking capacity is 50 A at the rated voltage.

What is the package type for this fuse?

The fuse is in a 2-SMD, square end block package for surface mount.

What approvals does the 045306.3MR hold?

It is approved by CSA, PSE, and UL.

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