Allicdata Part #: | 0452.750MRSN-ND |
Manufacturer Part#: |
0452.750MRSN |
Price: | $ 0.44 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | FUSE BOARD MNT 750MA 125VAC 2SMD |
More Detail: | N/A |
DataSheet: | 0452.750MRSN Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1000 +: | $ 0.40468 |
Series: | 452 |
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: | 750mA |
Voltage Rating - AC: | 125V |
Response Time: | Slow |
Package / Case: | 2-SMD, Square End Block |
Mounting Type: | Surface Mount |
Breaking Capacity @ Rated Voltage: | 50A |
Melting I²t: | 0.904 |
Approvals: | CSA, UR |
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: | 0.36 Ohms |
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Fuses, or surcharges in electrical systems, are an important component of many circuit designs. 0452.750MRSN is one such fuse. A brief overview of its application field and working principle will be provided in this article.
0452.750MRSN fuses are prevalent within commercial and industrial applications. Used in a variety of electrical wiring configurations, they are available with a variety of voltage ratings, ranging from 125 VAC to 277VAC. They are UL Recognized and CSA Certified for UL File No. E178348 and C22.2 No. 128.
In terms of their working principle, 0452.750MRSN fuses are designed to detect excessive current flow in the system to which they are connected. When current flows through the fuse, the heating generated from this current causes the fuse\'s metal element to expand. This expansion causes a separation of the contact points within the fuse, thereby interrupting the circuit and protecting the connected components. This process is known as “tripping”, and it occurs when the current rating of the fuse is exceeded.
0452.750MRSN fuses are also designed with a built-in thermal fuse. This thermal fuse acts as a secondary protection device, and works by the same principle as the main fuse. When the current rating of the fuse is exceeded, the thermal fuse cuts off the power supply flowing through the fuse. This provides further protection against potential overheating and consequent fire risk.
In order to ensure optimal performance, the 0452.750MRSN fuse must be replaced or reset. This can be done easily; however, if the fuse is frequently tripping, then it may be a sign of a fault or other issue with the electrical wiring configuration. Therefore, it is important to ensure that the circuit connected to the fuse is properly and regularly checked for any fault.
In summary, 0452.750MRSN fuses are an important component of many commercial and industrial electrical wiring configurations. Their working principle involves detecting excessive current flow in the system, and, upon detection, the fuse trips and interrupts the circuit, thereby providing protection for the connected components. The fuse also contains a thermal fuse as an additional protective layer. In order to ensure optimal performance, the fuse must be regularly checked and reset or replaced as necessary.
The specific data is subject to PDF, and the above content is for reference
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