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R451.250 The Littelfuse R451.250 is a fast-acting surface mount fuse designed for circuit protection. It features a nano size and is supplied on a reel.
Mfr Part #:

R451.250

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse R451.250 is a fast-acting surface mount fuse designed for circuit protection. It features a nano size and is supplied on a reel.
✓ Total Stock: 1,118 pcs
$ Price Range: $0.99

R451.250 Available from 2 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
868 pcs
On Request
868 pcs On Request 1 On Request On Request 02+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
250 pcs
On Request
250 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.

R451.250 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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R451.250 Description

Short technical summary and product information.

The Littelfuse R451.250 is a surface mount fuse belonging to the 451 series. It is designed for fast-acting circuit protection applications.

 

This fuse has an electrical rating of 0.25 Amperes and a voltage rating of 125 Volts AC and 125 Volts DC. It offers a breaking capacity of 300 Amperes at 32 Volts and has a resistance of 1.05 Ohms. The operating temperature range is from -55 C to +125 C.

 

Mechanically, the R451.250 has a nano fuse size and dimensions of 6.1 mm length, 2.69 mm width, and 2.69 mm height. It is packaged on a reel, suitable for automated assembly processes.

 

This component is classified as a surface mount fuse and is manufactured by Littelfuse.

R451.250 Quick Information

Product Type: Surface Mount Fuse
Series: 451
Canonical Name: Littelfuse R451.250 Surface Mount Fuse
Subcategory: Surface Mount Fuse

R451.250 Compliance

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

R451.250 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

R451.250 Features

  • Fast-acting surface mount fuse.
  • Rated for 0.25A and 125V AC/DC.
  • 300A interrupt capacity at 32V.
  • Nano size with 6.1mm x 2.69mm dimensions.
  • Supplied on a reel for automated assembly.

R451.250 Applications

  • Overcurrent protection for portable electronics
  • Used in battery management circuits
  • Protects sensitive DC power rails
  • Suitable for space-constrained PCB designs
  • Fast-acting protection for control modules

R451.250 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the R451.250 fuse?

The current rating is 0.25 Amperes.

What is the voltage rating for the R451.250 fuse?

The voltage rating is 125 Volts AC and 125 Volts DC.

What is the breaking capacity of the R451.250 fuse?

The breaking capacity is 300 Amperes at 32 Volts.

What is the operating temperature range for this fuse?

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

What type of fuse is the R451.250?

The R451.250 is a fast-acting surface mount fuse.

What are the dimensions of the R451.250 fuse?

The dimensions are 6.1 mm length, 2.69 mm width, and 2.69 mm height.

How is the R451.250 fuse packaged?

The R451.250 fuse is supplied on a reel.

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