| Allicdata Part #: | 31114000021-ND |
| Manufacturer Part#: |
31114000021 |
| Price: | $ 3.12 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | FUSE CERAMIC 4A 250VAC 5X20MM |
| More Detail: | N/A |
| DataSheet: | 31114000021 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| 100 +: | $ 2.83280 |
| Response Time: | -- |
| Size / Dimension: | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) |
| Color: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Approvals: | -- |
| Melting I²t: | 30 |
| Breaking Capacity @ Rated Voltage: | 1.5kA |
| Mounting Type: | Holder |
| Package / Case: | 5mm x 20mm |
| Series: | 311 |
| Voltage Rating - AC: | 250V |
| Current Rating: | 4A |
| Fuse Type: | Cartridge, Ceramic |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
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Fuses are used to protect electrical circuits from overloads or short circuits. A fuse is an important part of many electrical devices, and it is important to understand its application and working principle.
A 31114000021 fuse is a low voltage, fast-acting fuse used to protect electrical circuits and equipment from being damaged by excessive current. The fuse carries a continuous current rating of 1 amp and has a time delay current rating of 1,750 amps. This type of fuse is often used to provide overload protection for motors, transformers, and other residential and commercial applications.
The fuse utilizes a tube or cored or glass tube filled with a resistive material to open or close the circuit. The fuse is constructed with two electrodes- one on the end of the tube and the other on the interior of the tube. When the current flowing through the circuit exceeds the rated capacity of the fuse, a portion of the resistor in the glass tube melts due to the heat generated by the current, thus interrupting the circuit and preventing further damage to the circuit.
The working principle of 31114000021 fuse is simple. When there is an overload, the current flowing through the circuit exceeds the rating of the fuse, causing a portion of the resistor in the fuse to melt. This interrupts the current from flowing further, thus preventing further damage to the device. The fuse must be replaced after it trips, as it can no longer protect the circuit from overloads.
The fuse’s application is similar to its working principle. It is used in a wide variety of electrical circuits, both residential and commercial, to protect them from damage by overcurrent. It is commonly found in circuits that contain motors, transformers, and other electrical devices that require protection from overvoltage and short circuits. It is also used in fire alarm and emergency lighting circuits, as well as circuits that contain sensitive electronic components.
In conclusion, the 31114000021 fuse is a low voltage, fast-acting fuse used to protect electrical circuits and equipment. Its working principle is simple; when there is an overload, it melts a portion of the resistor in the fuse, interrupting the flow of current and preventing further damage to the device. Its application is diverse, and it can be used in a wide variety of circuits to provide protection from overloads and short circuits. As with all types of fuses, it must be replaced after it trips, as it can no longer provide sufficient protection.
The specific data is subject to PDF, and the above content is for reference
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31114000021 Datasheet/PDF