048501.5DR Circuit Protection |
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Allicdata Part #: | F5922TR-ND |
Manufacturer Part#: |
048501.5DR |
Price: | $ 1.61 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | FUSE BOARD MNT 1.5A 600VDC 2SMD |
More Detail: | N/A |
DataSheet: | 048501.5DR Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1500 +: | $ 1.46929 |
3000 +: | $ 1.41278 |
Series: | 485 |
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: | 1.5A |
Voltage Rating - DC: | 600V |
Response Time: | Fast |
Package / Case: | 2-SMD, Square End Block |
Mounting Type: | Surface Mount |
Breaking Capacity @ Rated Voltage: | 100A |
Melting I²t: | 0.392 |
Approvals: | CSA, UL |
Operating Temperature: | -55°C ~ 125°C |
Color: | -- |
Size / Dimension: | 0.476" L x 0.177" W x 0.177" H (12.10mm x 4.50mm x 4.50mm) |
DC Cold Resistance: | 0.3917 Ohms |
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Introduction
Fuses are special electrical components that are designed to protect electric circuits from over current. The purpose of a fuse is to protect wires, equipment and people from dangers related to over current such as electric shock or overheating. A 048501.5DR fuse is one type of fuse that has a defined current range and rating for safe operation. The 048501.5DR is a fast-acting cartridge fuse with a voltage rating of 250V and a rated current of 1.5A. This article will explain the application field and working principle of the 048501.5DR.
Application Field
The 048501.5DR is designed for indoor use and the fuses are typically used to protect against short-circuits, overloads, and line-to-ground faults in applications involving general purpose protection, distribution panel boards, lighting systems, heating, ventilation, and air conditioning systems, and other electrical circuits. Fuses of this type are often used to protect equipment and to provide circuit protection in residential, commercial, and industrial applications, including household appliances.
Working Principle
A 048501.5DR fuse is a physically small device with a metallurgically formed strip composed of two kinds of metal fusion-welded together. This strip is connected in series with the circuit and works as a current limiting device. In normal working conditions, the strip in the fuse carries current with no difficulty. However, when the current passing through the fuse exceeds its rated value, the strip will heat up and gradually melt due to joule heating, thereby interrupting the circuit.
The fuse is designed to open its circuit in a very specific time period without fail in order to protect the system. The time else it takes for the fused link of the plug to open the circuit is mostly fixed and is known as the "melting time". The 048501.5DR has a standard melting time of 1.25 seconds or less. When the set melting time has elapsed, the two strips of metal are separated, creating an open circuit and eliminating any potential danger of over current.
Conclusion
The 048501.5DR fuse is a fast-acting cartridge fuse that can be used in a variety of different applications including household appliances. It has a rated current of 1.5A and a rated voltage of 250V. The fuse is designed to protect electric circuits from over current and is made up of two strips of metal which heat up and melt when the current passes its rated limit, opening the circuit and preventing any potential danger.
The specific data is subject to PDF, and the above content is for reference
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