044902.5MR Allicdata Electronics
Allicdata Part #:

F1663TR-ND

Manufacturer Part#:

044902.5MR

Price: $ 0.49
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: FUSE BRD MNT 2.5A 125VAC/VDC SMD
More Detail: N/A
DataSheet: 044902.5MR datasheet044902.5MR Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1000 +: $ 0.44888
2000 +: $ 0.42525
3000 +: $ 0.40950
5000 +: $ 0.39375
Stock 1000Can Ship Immediately
$ 0.49
Specifications
Series: NANO²® 449
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Fuse Type: Board Mount (Cartridge Style Excluded)
Current Rating: 2.5A
Voltage Rating - AC: 125V
Voltage Rating - DC: 125V
Response Time: Slow
Package / Case: 2-SMD, Square End Block
Mounting Type: Surface Mount
Breaking Capacity @ Rated Voltage: 50A
Melting I²t: 13.18
Approvals: cULus, PSE
Operating Temperature: -55°C ~ 125°C
Color: --
Size / Dimension: 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
DC Cold Resistance: 0.04 Ohms
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fuses are an essential part of electrical protection systems, and 044902.5MR is one such device which is widely used in a multitude of applications to protect equipment and people from overcurrent or overload conditions. In this article, we\'ll look at the application fields of 044902.5MR and how it works.

Applications of 044902.5MR

The 044902.5MR fuse is designed to provide short circuit protection in a wide range of applications including:

  • Industrial equipment, such as pumps, fans and HVAC systems.
  • Motors, transformers, and other electrical devices.
  • Office and home electrical systems.
  • Telephone systems.
  • Power distribution systems.
  • Lighting systems.

The fuse is also suitable for connecting to other components to form protection systems, as well as working as an independent unit.

Working Principle

The 044902.5MR fuse is a sensitive two-element fuse designed to open quickly and reliably when it senses an overload or short circuit condition. It uses a simple but reliable principle to detect and react to electrical events. Inside the fuse, there are two components, a bimetal element and a ceramic element. The bimetal element is a strip of metal which has two metals with different coefficients of thermal expansion bonded together. When current flows through the fuse, a proportional amount of heat is generated by the resistance of the element, causing it to bend. The amount of current and the corresponding amount of heat determines how much the element will bend. If the current increases above the trip level, the heat generated causes the bimetal element to bend and break the circuit.

The ceramic element is a resistive material which is heated by the current flowing through it. When the current level becomes too high, it quickly heats up and expands, creating a gap in the circuit. This gap causes the current to drop, thereby protecting the system from the overcurrent condition.

Conclusion

The 044902.5MR fuse provides reliable overcurrent and overload protection to a wide range of applications. Its simple but effective working principle makes it an ideal choice for many applications where protection from overcurrent and overloads is necessary.

The specific data is subject to PDF, and the above content is for reference

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