P4SMA170A-E3/61 Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are devices that protect and prevent sensitive electronic components from electrical over-stresses. They are purpose-built to provide superior protection against electrical transients due to lightning strikes, electrostatic discharge (ESD), and other causes. P4SMA170A-E3/61 is such a TVS (Transient Voltage Suppressor) diode that is commonly used in many applications.

The P4SMA170A-E3/61 is a four-terminal diode with a unidirectional design, meaning it is suitable for use with direct current or with alternatlng current flows of one polarity only. It features fast switching time with low dynamic impedance and an operating voltage of up to 170V. It also has an absolute peak power rating of 600W, providing greater protection from surges in current than other TVS diodes in its class.

The P4SMA170A-E3/61 is ideal for applications that require peak pulse handling capability or short clamping time. Such applications include, but are not limited to, telecom equipment, surge protectors, general consumer electronics, medical equipment, and automotive electronic components.

The working principle of the P4SMA170A-E3/61 is relatively simple. It is an avalanche breakdown diode, meaning that it is designed to respond to an overvoltage condition by providing an alternative pathway for surge current. When the voltage exceeds a certain threshold, the P4SMA170A-E3/61 will initiate its avalanche breakdown process and quickly clamp the voltage in the process.

Once the voltage has been clamped, the P4SMA170A-E3/61 will remain in the breakdown state until the voltage returns to normal. This provides protection against further overvoltage conditions or spikes. Additionally, the P4SMA170A-E3/61 is able to do this while dissipating minimal heat, ensuring it does not overload sensitive electronic components and cause damage.

In summary, the P4SMA170A-E3/61 is a TVS (Transient Voltage Suppressor) diode designed to provide protection to sensitive electronic components from electrical over-stresses. It is suitable for many applications such as telecom equipment, consumer electronics, automotive electronic components, and medical equipment. It is an avalanche breakdown diode that provides a reliable current-limiting function during overvoltage conditions. Additionally, it dissipates minimal heat in the process, helping to prevent overloads and further damage to components.

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