Self Recovery Fuse Specification, Must Understand
Each type of circuit protection component has specifications, and Self recovery fuses are no eXCeption. So, what do you think when holding a self-healing fuse specification book? To put it bluntly, when reading the specifications, the main focus is on the parameters and the meanings they represent:
I hold: Maintain current
I trip: The maximum action time under the specified current;
V max: Maximum voltage that can be withstood
I max: Maximum current that can be withstood
P d: Stable power consumption in high resistance state
R: Zero power resistance measured at a certain temperature
R 1max: The maximum resistance value measured at room temperature after one hour of action or soldering back
Environmental temperature: The temperature of the still air around PTC
Maximum working environment temperature: The highest ambient temperature for PTC safe operation
Fig.1
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