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标题: PolySwitch 过流和过热器件基础(英语)
类型: 产品说明 大小: 1568957KB
语言: 英文 发布时间: 2015-06-16

文档介绍:
A polymeric positive temperature coefficient (PPTC) overcurrent protection device is a series element in a circuit. The PPTC) device protects the circuit by going from a low-resistance to a high resistance state in response to an overcurrent. This is called "tripping" the device. Figure 1 shows a typical application.