P4SMA62CA-E3/61 Circuit Protection

TVS (Transient Voltage Suppression) diodes are semiconductor devices used to protect sensitive electrical components and systems from transient over-voltage caused by static discharges. The P4SMA62CA-E3/61 is a popular amorphous silicon unidirectional TVS diode that is used in a wide array of applications, primarily to protect circuits against excessive current caused by electrostatic discharge (ESD) or transients. An example application is to protect a system from lightning strikes or electrical storms.

The P4SMA62CA-E3/61 is made with amorphous silicon technology, which enables a low clamping voltage and fast response time. It is designed to provide bidirectional over voltage protection against ESD, as well as provide protection from transients caused from lightning, wiring faults, inductive spikes, and similar dangerous events. The device can absorb up to 5A peak pulse current and can withstand impulse voltages up to 4kV.

The working principle of the P4SMA62CA-E3/61 is based on its reverse breakdown voltage, which is between 5 and 10 volts when a reverse voltage is applied. In the event of a voltage surge, the diode starts a conduction, forming a low impedance path. This limits the voltage across the component and effectively reduces the overshoot or undershoot. In other words, the P4SMA62CA-E3/61 TVS diode works by enabling a low-impedance current path, which prevents high-amplitude transients or voltage spikes from reaching and damaging other components in the circuit.

The P4SMA62CA-E3/61 is used primarily in military and aerospace applications, such as on-board spacecraft, avionics, military equipment, and anti-static motion control equipment. The device is also used in a variety of other commercial applications, including telecommunications, medical equipment, and industrial electronics. Additionally, the P4SMA62CA-E3/61 is well-suited for Automotive Electronics due to its high reliability and response to transients caused by outdoor conditions.

In conclusion, the P4SMA62CA-E3/61 is a reliable and cost-effective solution for protecting circuits against ESD and transients caused by lightning, wiring faults, and inductive spikes. The device is constructed using amorphous silicon technology, and can absorb up to 5A peak pulse current and can withstand impulse voltages up to 4kV. It is the ideal choice for a variety of applications, including military and aerospace, telecommunications, medical equipment, industrial electronics, and Automotive Electronics.