MXRT100KP300CA

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Transient Voltage Suppression (TVS) diodes are semiconductor devices which are designed to protect electronic circuitry from electric overstress (EOS) and electrical transients. The MXRT100KP300CA is an example of such a TVS diode. This particular diode is part of the NANOSMART series of TVSes developed by STMicroelectronics, and it is suitable for offline use.

The MXRT100KP300CA is a bilateral bidirectional clamp diode designed for use in SMPS applications. It features an ultra-low capacitance of 0.5 pF, a low clamping voltage of 200-260 V, and a breakover voltage of 7-9 V. It is available in a surface mount package (SMD) with dimensions of 6.2x7.3 mm, and a Mounting Tab.

The primary application fields for the MXRT100KP300CA are Over Voltage Protection (OVP), Power Noise Suppression, and Input/Output Protection (I/O). It is suitable for a wide variety of power supply applications, ranging from desktop computers to set-top boxes, as well as various automotive, consumer, telecom, and industrial applications. In particular, the MXRT100KP300CA provides cost-effective protection against ESD and other transients for low-voltage applications.

The working principle of the MXRT100KP300CA is based on the avalanche breakdown effect of a junction. When a voltage is applied above the breakdown voltage, the diode enters its “on” state and allows current to flow through it. In the “on” state, the diode acts like a low resistance, and any increase in the voltage across the diode triggers an avalanche breakdown effect that forms a conducting path through it, thus protecting any downstream circuitry. The diode is designed to “clamp” the voltage across it, so that the voltage remains within a specified range, and any further increases in the voltage are suppressed.

Overall, the MXRT100KP300CA is a robust and cost-effective TVS diode designed to provide protection against ESD and other transients for low-voltage applications. It features an ultra-low capacitance, a low clamping voltage, and a breakover voltage of 7-9 V, making it ideal for a wide range of power supply applications.

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