Allicdata Part #: | WK6321-ND |
Manufacturer Part#: |
37213150431 |
Price: | $ 0.53 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | FUSE BRD MNT 3.15A 250VAC RADIAL |
More Detail: | N/A |
DataSheet: | 37213150431 Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 0.47880 |
5 +: | $ 0.46746 |
10 +: | $ 0.45234 |
50 +: | $ 0.38065 |
100 +: | $ 0.31601 |
250 +: | $ 0.28728 |
500 +: | $ 0.24419 |
1000 +: | $ 0.21546 |
5000 +: | $ 0.19391 |
Package / Case: | Radial, Can, Vertical |
DC Cold Resistance: | 0.0173 Ohms |
Size / Dimension: | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) |
Color: | -- |
Operating Temperature: | -40°C ~ 85°C |
Approvals: | CCC, cURus, PSE, SEMKO, VDE |
Melting I²t: | 77.3955 |
Breaking Capacity @ Rated Voltage: | 35A |
Mounting Type: | Through Hole |
Series: | TR5® 372 |
Response Time: | Slow |
Voltage Rating - AC: | 250V |
Current Rating: | 3.15A |
Fuse Type: | Board Mount (Cartridge Style Excluded) |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
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Fuses are safety devices that protect electrical circuits and electronic equipment from damage caused by over-current and short-circuit conditions. Fuses are commonly used in virtually every electrical circuit, from industrial applications to consumer electronics. The 37213150431 application field and working principle addresses fuse, their understanding and application.
37213150431 Application Field and Working Principle
The 37213150431 is a fast-acting time-delay fuse designed for motor and other inductive load protection. It is one of the latest ‘plug-in’ fuse range designed to protect electrical motors when a fault occurs on the motor lines. This fuse has been tested and developed to be highly reliable in the motor protection application.
The 37213150431 has a current rating of 60A and an interrupting rating of 1kA at 500VAC. The fuse type selected for a particular application should have a continuous current rating below the motor full-load amperes (FLA). The main purpose of this fuse is to protect the motor from fault conditions such as short circuit and overload. It is characterized by its fast response time.
The working principle behind this fuse is based on the Joule-Thompson effect. The Joule-Thompson effect states that when a gas or vapor is subjected to an external pressure and then allowed to expand freely, its temperature drops. In this case, when an electric current is passed through the fuse, the pressure inside the fuse increases and a spark is created. The heat generated by the spark vaporizes the material inside the fuse and the current is interrupted immediately.
The fuse is designed with two primary elements - a fusible element and a heat spreader. The fusible element is usually made of nickel-based alloy, while the heat spreader is usually made of high-grade silver. The heat spreader acts as a heat sink and helps in dissipating the heat generated by the Joule-Thompson effect. By dissipating the heat, the heat spreader prevents the fuse from reaching its melting point, thus protecting the circuit from the potentially damaging effect of an excessive current.
Fuses are designed in such a way that they respond quickly to the occurrence of a fault. When the current exceeds the rated interrupting rating, the fusible element vaporizes and the heat is spread out through the heat spreader. This helps in interrupting the current immediately and protecting the circuit from any damage. The purpose of the fuse is to protect the circuit from any damage that may be caused by an over-current or short-circuit condition.
The safety of the circuit and the components connected to it is of utmost importance and this is why the 37213150431 application field and working principle should be taken into consideration. This fuse has been designed to provide reliable protection against short-circuit and overload conditions. By understanding the working principle behind this fuse, it will be possible to ensure that it is used appropriately in any given application.
The specific data is subject to PDF, and the above content is for reference
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