MXPLAD18KP28A

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TVS (Transient Voltage Suppressors) diodes are electrical components that protect sensitive circuits from electrical overstress. They limit electronic circuit voltages to a safe level by quickly diverting excess current away from the circuit. Being able to capably versus voltage spikes, TVS diodes provide protection from electrostatic discharge (ESD) events and also lightning.

The MXPLAD18KP28A TVS-diode is a bidirectional diode designed for the ESD protection of MOSFET threshold and gate circuits. The diode is offered in a 0603 (6.5 x 3.2mm) surface-mount package that enhances portability and facilitates installation in a wide range of applications. The MXPLAD18KP28A is a high-performance, low-cost solution that is an ideal choice for circuit protection applications.

The main application field of MXPLAD18KP28A TVS-diode is to guard the gate and threshold circuits of MOSFETs. With a reverse standoff voltage of 18V and a low operating voltage of 5V, it has excellent ESD protection of up to ±20kV/25kV. It can withstand high temperatures up to 150°C, allowing it to be used in hot environment applications. Its low capacitance characteristics are also suitable for controlling RF signals.

The working principle of the MXPLAD18KP28A TVS diode is the same as any other protection diode. When subjected to an electrical surge, such as an ESD event, it immediately starts conducting current to protect the circuit from damage by limiting the voltage. Unlike other common protection diodes, the MXPLAD18KP28A diode has a bidirectional design, which allows it to equally protect against ESD events flowing in both directions. This makes it ideal for protecting circuits from ESD events with both positive and negative polarity.

In conclusion, the MXPLAD18KP28A is an ideal choice for ESD protection of MOSFETs in a variety of applications. It has excellent characteristics such as a low operating voltage and a reverse standoff voltage of 18V, a low capacitance for controlling RF signals, and the ability to operate at elevated temperatures. Additionally, its bidirectional design provides protection from both positive and negative ESD events.

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