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Self-recovery fuse selection help
self-recovery fuse is a kind of over-current electronic protection component, which is made of high-molecular organic polymer under the conditions of high pressure, high temperature and vulcanization reaction, mixed with conductive particle materials, and processed by a special process. it is customary to call pptc …
Reading：117
08-14
2020
Application of PPTC in 220V AC lamp touch dimmer circuit
touch dimming circuits are gradually being used in indoor lighting. through ic integration, peripheral circuits are simple and there are not many electronic components. in the circuit diagram below, there are three levels of dimming, which are pided into strong, medium and weak. at the beginning, when the power swit…
Reading：114
08-14
2020
PTC's lightning protection scheme in RS485 communication port
1. basic background introduction
Reading：265
08-14
2020
High-speed circuit fuse protection method
passive devices bring distortion. at the same time, higher impedance wire and pin element circuits, more metal packages and fewer external nodes also make things easier. in addition, there are multiple pulses in their self-recovery.
Reading：86
08-14
2020

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