| Allicdata Part #: | 20100800021-ND |
| Manufacturer Part#: |
20100800021 |
| Price: | $ 1.58 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | FUSE GLASS 80MA 250VAC 5X20MM |
| More Detail: | N/A |
| DataSheet: | 20100800021 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 100 +: | $ 1.42997 |
| Response Time: | Medium |
| Size / Dimension: | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) |
| Color: | -- |
| Operating Temperature: | -25°C ~ 70°C |
| Approvals: | cULus |
| Melting I²t: | 0.017 |
| Breaking Capacity @ Rated Voltage: | 80A |
| Mounting Type: | Holder |
| Package / Case: | 5mm x 20mm |
| Series: | 201 |
| Voltage Rating - AC: | 250V |
| Current Rating: | 80mA |
| Fuse Type: | Cartridge, Glass |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
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Fuses are an integral part of many electrical systems. They offer protection against overcurrent and thus prevent damage to the components of the system. This article will focus on the 2010800021 application field and working principle of fuses.
In general, fuses are used to protect electronic circuits from overcurrent damage. In practice, a fuse is a device which will interrupt the flow of electric current when a predetermined current level is exceeded. Fuses usually consists of a strip of metal or other material that melts and opens an electrical circuit if a certain amount of current passes through it.
Fuses can be used in a wide variety of applications and different types are available for specific purposes. Common applications include: consumer electronics, industrial and commercial equipment, lighting fixtures, electrical outlets, motors, and power supplies. Fuses are also widely used in automobiles and other vehicles, and in emergency systems such as fire alarm systems.
The 2010800021 fuse is designed to provide overcurrent protection in low voltage applications. Its design includes a metal strip which is wrapped around a metal frame. The metal strip is heated by current overloading, causing its resistance to rise dramatically and thus disrupting the circuit. This type of fuse will not reset itself, and must be manually replaced if current overloading occurs.
The working principle of fuses is fairly simple. In general, if too much current flows through the fuse it will cause the metal strip to heat up. This heat is transferred to the surrounding air and causes the metal strip to melt. This melting of the metal strip opens the circuit, thus interrupting the flow of current and thus preventing any further damage to the circuit.
The current carrying capacity of a fuse is measured in amperes. Manufacturers typically specify ratings for the current carrying capacity and maximum voltage of a fuse. The maximum voltage rating of a fuse determines the amount of voltage that can pass through the fuse without causing it to overheat. Additionally, some fuses may also include a time-delay rating, which defines the amount of time it takes for the fuse to blow when the rated current passes through it.
Fuses offer a simple yet effective means of protecting electrical circuits from dangerous levels of current. They can be used in a variety of applications, and the 2010800021 fuse is specifically designed for low voltage applications. Understanding the working principle of fuses and their ratings can help in selecting the right type of fuse for any application.
The specific data is subject to PDF, and the above content is for reference
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20100800021 Datasheet/PDF