P1301DF-1E Circuit Protection

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Transient Voltage Suppressors (TVS) have been widely used in mixed technologies to protect components from high voltage transients and other potential electrical damage. The P1301DF-1E, a TVS offering from Sanken Electric Co., is an example of such a mixed technology TVS. It is a low-capacitance surge protection device specifically designed for portable applications, and this article will discuss its application field as well as the working principle of the system.

The P1301DF-1E is an ultra-low capacitance TVS designed for mobile devices. It provides efficient surge protection for application circuits supplied from USB ports. It is developed to protect low voltage and low power system from transient overvoltage due to ESD charges or electrical transients. It also helps protect circuits from electro-static discharge, EMI, ESD, lightning, etc. The device is designed to allow high-speed data transmission, low malfunction rate, and low power consumption.

The P1301DF-1E is equipped with a PTC thermistor for transient overvoltage protection. The PTC thermistor is a resistive element that changes resistance in response to current changes. The resistance of the element increases exponentially when the voltage exceeds the rated value. This rapidly increases the resistance to protect the circuit from over voltage transient. This device is also designed to allow high-speed data transmission in portable devices.

The system\'s working principle is based on the voltage breakdown effect of PN junctions in devices such as diodes and transistors. As the voltage across a PN junction increases, the PN junction begins to break down, allowing a current to flow through the junction. The breakdown voltage of a PN junction is known as the avalanche voltage, and this value is the basis for the rated avalanche voltage of the P1301DF-1E. Once the voltage across the PN junction exceeds the avalanche voltage, the PN junction breaks down and the device provides protection against voltage transients.

In addition to its protection against transients, the P1301DF-1E also provides EMI filtering for mobile devices. The device uses a capacitor in series to reduce the noise generated by the device in order to produce a cleaner signal. This type of EMI filtering is often referred to as common mode filtering. The P1301DF-1E also offers ESD protection, allowing for improved system reliability and safety.

The P1301DF-1E is a low-profile, ultra-low capacitance TVS designed for mobile devices. It provides efficient surge protection for application circuits supplied from USB ports. It is designed to allow high-speed data transmission, low malfunction rate, and low power consumption. It also provides ESD and EMI protection for improved system reliability and safety.

The P1301DF-1E is an ideal choice for portable devices due to its effectiveness in protecting circuits from transient overvoltage, ESD, and other potential damage. It offers a low profile, ultra-low capacitance design, and efficient surge protection. This TVS offering from Sanken Electric Co. is an excellent choice for those looking for protection against voltage transients and other potential electrical damage.

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