P4SMA150CA Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TVS diodes, or transient-voltage-suppression diodes, are used to protect electronic devices and products from dangerous spikes of voltage. The P4SMA150CA model of these diodes is designed to protect from voltage spikes up to 150 volts of symmetrical peak transients.

The diode is deployed as an ESD (electrostatic discharge) protection element and surge protector. The P4SMA150CA is intended to be used in Automotive, Telecom, and Industrial applications and products, such as solar cells, to protect against electric transients.

The diode is a bidirectional device, meaning it works by dissipating the voltage equally, regardless of polarity (positive or negative). The structure of the device is based on a Zener diode. It operates by means of a series-connected Zener diode, connected to the external stainless-steel electrodes. It is this series connection of one cathode and one anode, or diode junction point, that prevents the flow of surge current and voltage.]

The device also utilizes a circuit consisting of a Zener diode and a MOSFET as a parallel connection, referred to as "Zener MOSFET". This is an electronic circuit that is used to pass high-frequency surges. The MOSFET acts as a surge limiter, or a switch, that helps to equalise the energy flow of the incoming voltage pulse. Therefore, the flow of surge current is significantly reduced.

The operation of the diode works on two core principles. The first is that the device has a low clamping voltage, meaning the voltage sustained by the device is much lower than what is necessary to cause any permanent damage to the connected devices. The second is the limited power dissipation. Unlike the traditional ESD protection devices, the diode is specifically designed for low power applications, and thus the power dissipation capability is limited. Because of this, the P4SMA150CA can be used in applications and products that require the highest levels of protection but don\'t generate a lot of power.

The P4SMA150CA is a robust voltage spike protection device that can be used in multiple settings. It is designed for reliability and safety, with a low clamping voltage to protect the device from permanent damage and a limited power dissipation which allows it to be used in low power applications. The use of a Zener diode and MOSFET as a parallel connection ensure that surge current and voltage does not cause any damage, while also providing the highest levels of protection.

The specific data is subject to PDF, and the above content is for reference