P4SMA16A

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TVS diodes are commonly used devices for protecting electronic circuits from over voltage, and the P4SMA16A is one of the most common devices used in such applications. It is a 4-pin single-channel bidirectional diode designed for transient over-voltage protection against surges, transients, and electrostatic discharge (ESD) pulses.

The P4SMA16A is rated at 16A with unidirectional operation rated at 8A (bidirectional operation). It has an operating voltage range of 5V-160V, and a reverse stand-off voltage of 6V-175V. The maximum peak pulse power is 500 watts with a 1/2 micron junction-to-case separation. In addition, the working temperature range is -55C to +150C.

The P4SMA16A is a “clamping” type of diode, meaning it can absorb and divert a large amount of energy during an ESD event. It is usually used in applications where high frequency spikes need to be absorbed and reduced in order to protect sensitive electronics from destruction or malfunction. Additionally, these devices can be used for special protection against high power impulses such as lightning strikes.

When an over voltage enters the P4SMA16A it is absorbed and clamped into a safe, lower voltage level. This helps protect the downstream electronics from damage, as the lower clamped voltage is below the working voltage of these sensitive components. In addition, the device is designed to protect against ESD pulses, which are extremely short duration electrical discharges having a peak power of several thousand watts.

In conclusion, the P4SMA16A is a highly useful, reliable, and inexpensive device for use in transient over-voltage protection applications. It is a great choice for protecting sensitive electronics from surges, transients, and electrostatic discharges, and is suitable for both commercial and industrial use.

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