What is A Self Recovery Fuse
1、 What is a self recovery fuse
Self recovery fuse is an overcurrent electronic protection component that uses a polymer organic polymer under high pressure, high temperature, and sulfurization reaction conditions.
After mixing with conductive particle materials, it is processed through a special process. Habitually applying PPTC (Polymer Positive Temperature).
Coefficent, also known as a self restoring fuse. Strictly speaking, PPTC is not a self restoring fuse, and Resettable Fuse is a self restoring fuse.
2、 Principle of self recovery fuse
The self recovery fuse is made of high-tech polymer resin and nano conductive grains through special processing. Under normal circumstances, nano conductive grains.
The body forms a chain like conductive path along with the resin based link, and the fuse operates normally; When a circuit experiences a short circuit or overload, the large current flowing through the fuse causes its temperature to increase. When the Curie temperature is reached, the density of states rapidly decreases, the phase transition increases, and the internal conductive link changes or breaks in an avalanche state. The fuse transitions to a high resistance state in a stepwise manner, and the current is quickly and accurately clamped to limit and protect the circuit. The small current keeps the fuse in a protected state, After power outage and troubleshooting, the temperature of the fuse decreases, the density of states increases, and the phase transition recovers. The nanocrystals are reduced to a chain like conductive path, and the self restoring fuse returns to its normal state without the need for manual replacement.
Fig.1
- +1 Like
- Add to Favorites
Recommend
- The Difference between Self Recovery Fuse and Blown Fuse
- Selection Guide of Self Recovery Fuse
- Applications of Self Recovery Fuse Parameters
- How Long Does the self Recovery Fuse Operate?
- Self Recovery Fuse Specification, Must Understand
- Self Recovery Fuse for Overheat Protection in Circuits
- How to Select the Type of Self Recovery Fuse for Procurement?
- What is the Function of Patch Self Recovery Fuses
This document is provided by Sekorm Platform for VIP exclusive service. The copyright is owned by Sekorm. Without authorization, any medias, websites or individual are not allowed to reprint. When authorizing the reprint, the link of www.sekorm.com must be indicated.
Integrated Circuits
Discrete Components
Connectors & Structural Components
Assembly UnitModules & Accessories
Power Supplies & Power Modules
Electronic Materials
Instrumentation & Test Kit
Electrical Tools & Materials
Mechatronics
Processing & Customization
