HVR600P150CRAF

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PTC resettable fuses, also known as polymeric positive temperature coefficients (PPTCs), are a type of thermal cutoff device used to protect related circuitry from electrical fires. They act as a safety device by cutting off power when an excessive current is passed through it. The HVR600P150CRAF is one such device, designed for high-current applications. This article will discuss the application field and working principle of the HVR600P150CRAF.

The HVR600P150CRAF is used in applications which require high current levels. Examples of such applications are the main battery circuit in automotive applications, high current power distribution boards, motor control circuits for automotive applications, battery-powered ports such as USB and DC/DC converters etc. The device is also suitable for consumer electronic devices that require over-current protection.

The working principle of the HVR600P150CRAF is based on a polymeric positive temperature coefficient (PPTC) element. The device is designed with an internal conductive element, which is surrounded by a polymeric material with a high coefficient of thermal expansion. When the current being supplied to the device is above the designed threshold, the heat produced due to the concentration of the electrical energy causes the PPTC element to expand, thereby creating an open circuit which breaks the flow of the current. Once the energy supply is removed, the PPTC element cools down and contracts, thereby restoring the continuity and allowing the current to flow.

The HVR600P150CRAF is designed with a wide range of operating temperatures and current levels. It has a rated current of 600V, 150A, operating in temperatures ranging from -40 to 125°C. The device also has a UL temperature rating of 150°C. The device also has a wide range of lead configurations and different footprints for various applications.

The HVR600P150CRAF also has a wide range of features which make it suitable for high current applications. It has a high temperature range of up to +125°C, a fast response time of 400ms, and an overload protection of 600V and 150A. It also has a low bypass voltage, which ensures that the device is capable of tripping even low-level currents efficiently under extreme temperatures. It also has a self-locking molded plastic case and an insulated molding material which protects any surrounding components from heat.

In addition, the HVR600P150CRAF has a low leakage current of less than 1mA to reduce operational loss and a low power consumption of only 3W. It is also designed with a low contact resistance of less than 10 milli-ohms which ensures efficient current flow. The device also has a wide range of mounting frames available, making it ideal for use in panel or board mount applications.

Overall, the HVR600P150CRAF is a reliable and efficient PTC resettable fuse designed for high current applications. It is UL approved and offers a wide range of features, making it suitable for various applications. The device provides reliable overload protection and can be used in a wide range of temperatures. It also has a low power consumption and leakage current, making it ideal for high-current and temperature applications.

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