PPTC121KFXC

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Rectangular connectors such as headers, receptacles, and female sockets are vital components in the design of numerous electronic applications. Applications requiring long-term reliability often look to these connectors to provide the robustness and reliable performance needed in demanding environments. The PPTC121KFXC is a popular type of rectangular connector designed to provide protection from short circuits, current overload or other fault conditions when inserted into a power system. It is often found in automotive, industrial, consumer and telecom applications.

The PPTC121KFXC is a general-purpose Polymeric Positive Temperature Coefficient (PPTC) non-resettable protection device optimized to provide overcurrent and short circuit protection in a variety of power systems. The PPTC121KFXC is designed with two lightweight, flexible contact plats and a thermistor element. The contact plates work together to make sure the thermistor element is activated only when current in the circuit surpasses the rated value.

The PPTC121KFXC’s electrically isolated connection is designed to protect from transient overvoltage and other potentially damaging electrical events, while allowing the intended electrical current to pass through without obstruction. This type of connector is typically used in multiple commercial applications, such as consumer electronics, automotive, telecommunications, and industrial applications. The protective measures provided by this connector are essential for the reliable operation of such devices.

The PPTC121KFXC’s basic operation is simple: when the current exceeds the rated value, the thermistor element trips and the circuit is disconnected. This process of electrical disconnection can be repeated multiple times if current exceeds the rated value again. It is designed to provide reliable protection against overload and short-circuit conditions, while maintaining an unobtrusive and reliable electrical connection to the power system.

The PPTC121KFXC is capable of responding to current rise rates from 10A/s to 1000A/s, with response times between 0.7ms to 200ms. Its design and use of thermistor materials make it suitable for use on various power systems, including AC/DC applications. Its housing is designed to be both lightweight and durable, providing superior mechanical protection in harsh operating environments. The PPTC121KFXC is easy to install, as it does not require any tools or adhesives to fit it.

The PPTC121KFXC is a proven reliable and cost-effective protective device for a variety of power systems. Its thermistor element is designed to automatically trip when current exceeds the rated value, providing reliable protection from short-circuit and overload conditions. The device is lightweight and easily installed, creating a sturdy and reliable connection. This makes the PPTC121KFXC a popular choice for a variety of commercial applications, from consumer electronics to telecoms.

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