0217.125TXP Circuit Protection |
|
| Allicdata Part #: | 0217.125TXP-ND |
| Manufacturer Part#: |
0217.125TXP |
| Price: | $ 0.46 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | FUSE GLASS 125MA 250VAC 5X20MM |
| More Detail: | N/A |
| DataSheet: |  0217.125TXP Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 100 +: | $ 0.41832 |
Specifications
| Series: | 217 |
| Packaging: | Bulk |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Fuse Type: | Cartridge, Glass |
| Current Rating: | 125mA |
| Voltage Rating - AC: | 250V |
| Response Time: | Fast |
| Package / Case: | 5mm x 20mm |
| Mounting Type: | Holder |
| Breaking Capacity @ Rated Voltage: | 35A |
| Melting I²t: | 0.00478 |
| Approvals: | CCC, CE, CSA,KC, SEMKO, UL, VDE |
| Operating Temperature: | -55°C ~ 125°C |
| Color: | -- |
| Size / Dimension: | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) |
| DC Cold Resistance: | 3.82 Ohms |
Description
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Fuses: 0217.125TXP Application Field and Working Principle
A fuse is a device used to protect electrical circuits from overloading or short circuits. It is equipped with a delicate mechanism that allows it to respond to overload or harmful conditions in a circuit very quickly. The 0217.125TXP fuse is a standard mid-range fuse commonly used in commercial, industrial and residential applications. This article will discuss the application field and working principle of the 0217.125TXP fuse.
Application Field of 0217.125TXP Fuse
The 0217.125TXP fuse is a Class CC, time-delay (non-cycling), UL listed miniature fuse with a current rating from 1A to 30A. It is designed to provide overcurrent protection in electrical circuits of various voltages up to 600VAC or 250VDC. The clamshell-style terminal block and dual-element design with time delay feature make it a reliable protection solution for medium-current applications. Typical uses include solar panel and system protection, critical process control and consumer electronics protection.
This fuse offers a great alternative to thermal-magnetic circuit breakers, since it allows overcurrent levels above the nominal current rating for short-time operation. This feature makes it ideal for applications that draw short-term peak currents, such as motors, air conditioners and pumps, which could cause nuisance interruptions or false tripping when protected by a circuit breaker.
Working Principle of 0217.125TXP Fuse
The 0217.125TXP is a dual-element fuse that consists of two elements — a "fast-blow" element and a "time-delay" element, both made of copper or copper-alloy. The fast-blow element responds very quickly to overcurrents, while the time-delay element prevents nuisance interruptions due to normal in-rush currents caused by the motor start-up, etc. When a fault occurs, the current through both elements increases rapidly, heating them to their melting points.
As soon as the melting point of the fast-blow element is reached, the fusible metal melts and the circuit is quickly interrupted, protecting it from damage due to a short circuit or overload. The time-delay element keeps the circuit open for a certain period of time, while the current is being reduced, preventing false tripping and reducing nuisance interruptions.
Furthermore, the 0217.125TXP fuse features a clamshell-style terminal block that makes it easy to install and remove. It also has a standard 1/4"x1-1/4" cylindrical body, which makes it highly compatible with existing fuse blocks, receptacles and panels.
Conclusion
The 0217.125TXP fuse is a versatile protective device designed to protect medium-current electrical circuits. Its dual-element design with time-delay feature makes it a reliable solution for applications with peak currents, while the clamshell-style terminal block makes it easy to install and remove. This article has discussed the application field and working principle of the 0217.125TXP fuse in detail, providing useful information that can help users correctly select and safely use this type of fuse for their applications.
The specific data is subject to PDF, and the above content is for reference
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