MX15KP170CA

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TVS (Transient Voltage Suppression) diodes are semiconductor devices that are designed to protect sensitive electronics from voltage transients or sudden increases in voltage such as lightning or ESD (electrostatic discharge). The MX15KP170CA is one such device, and is primarily used in surge protection applications to protect against high voltage transients.

The MX15KP170CA is a unidirectional TVS diode array with a voltage rating of 1500V. It is composed of four 15kV P-channel MOSFETs with a total capacitance of 170pF. The device is packaged in a small SOD-923 surface mount package, enabling a small and compact design. It has a standard environmental rating for operating temperatures between - 55°C to 125°C and for storage temperature ranges between -55°C to 150°C.

The MX15KP170CA is designed to provide overvoltage protection for digital and low voltage analog circuits. It has an extremely low dynamic resistance of 5 Ω at an 8/20μs surge current and a very low breakdown voltage of 5.8V. The device is also a low capacitance diode, with a maximum leakage current of 5μA at 10V and a maximum clamping voltage of 17V at 500A.

The working principle of the MX15KP170CA TVS diode is simple. When exposed to a transient voltage, the diode acts as an electrical clamp, blocking any increase in input voltage. The device’s capacitance will rapidly store energy generated by the transient and then the MOSFETs switch to safely dissipate the stored energy. This bypasses the input circuit, providing transient voltage protection. The device is triggered at 5.8V and clamped at 17V, ensuring that voltage spikes are redirected before the increased voltage can damage connected components.

The MX15KP170CA is commonly used in a variety of electronic circuits, including telecom systems, industrial applications, consumer electronics, medical equipment and automotive applications. It is ideal for devices that require protection from electrical overstress and electrostatic discharge, such as microcontrollers, memory devices, sensors and displays. In all of these applications, the MX15KP170CA provides superior protection by efficiently suppressing voltage transients while maintaining low capacitance and low dynamic resistance.

In summary, the MX15KP170CA is an efficient and reliable TVS diode designed to protect sensitive electronics from electrical transients. It is packaged in a small surface mount package, enabling a small and compact design. The device is designed to provide protection from electrical overstress and electrostatic discharge, and is commonly used in a variety of electronic circuits. It has a low dynamic resistance, a low clamping voltage and a low breakdown voltage, making it an ideal choice for protection from voltage transients.

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