SPP-5M550

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Electrical Specialty Fuses have a wide range of applications and can be applied to virtually any machine or system. One such fuse is the SPP-5M550, a semiconductor protection fuse designed to protect a wide range of high-voltage applications. This article will discuss the application fields and working principle of the SPP-5M550.

The SPP-5M550 is typically used to protect equipment in medical, industrial, military, and aerospace applications. It is ideal for applications where high overcurrent protection is needed, such as power supplies, motor controllers, or other sensitive electronic equipment. The fuse is also capable of protecting against high-speed short circuits and arc-faults, making it a great choice for high-voltage applications. Further, the SPP-5M550 is capable of auto-resetting after a short circuit or arc fault, which means that it does not require manual intervention to reset the fuse after an overcurrent event.

The SPP-5M550 is an all-solid-state (ASS) fuse, which means that it is composed of two materials that are electrically conductive and have different current conduction rates. The two materials are polycrystalline metal oxide semiconductor (MOS) and polyethylene fluorosilicate (PEFS). The MOS is a semiconductor material that helps to turn on and off the current conducting between the fuse and the circuit. The PEFS is an insulating material that helps to increase the fuse\'s current breaking capacity and fast response time. Together, these two materials create an optimized design that provides superior current and temperature protection and fast response times.

The internal workings of the SPP-5M550 are quite simple and can be broken down into three distinct phases. The first phase is initiated when an overload current is detected in the circuit. This causes the fuse to turn on, which creates a voltage drop across the fuse element. This causes a current flow through the fuse, which triggers the second phase of operation. In this phase, the PEFS material heats up, allowing the MOS material to conduct more current. In the third and final phase, the fuse blows when the current exceeds the fuse\'s rated interrupting capacity. This effectively blocks the current flow through the fuse, thus protecting the circuit from the overcurrent.

In summary, the SPP-5M550 is an all-solid-state fuse designed to protect a wide range of high-voltage applications. Its combination of MOS and PEFS materials helps to provide superior current and temperature protection, as well as fast response times. The fuse is typically used for medical, industrial, military, and aerospace applications, and is capable of auto-resetting after an overcurrent event. The working principle of the SPP-5M550 involves three distinct phases, which include activation, current flow, and fuse blow, which help to protect the circuit from overcurrent.

The specific data is subject to PDF, and the above content is for reference