P4KE91CAHR1G Circuit Protection

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TVS diodes, such as the P4KE91CAHR1G, are high-performance circuit protection components widely used in many electronic devices. They provide overvoltage protection from lightning strikes and other types of power surges. The TVS diode also offers some additional features, such as ESD (Electrostatic Discharge) protection, short circuit protection, and inrush current protection.

The TVS diode is an important component of protection circuits, as it helps protect other components in the circuit from damage due to higher transient voltages. TVS diodes work by clamping down the voltage to a safe level, often 1.5 times the breakdown voltage of the diode. This clamping action prevents the voltage from rising above the necessary levels, thus protecting the other components in the circuit.

The P4KE91CAHR1G is a diode specifically designed for overvoltage/ESD protection and can be employed in many different types of applications. It is designed to be a fast-acting diode, with an extraordinarily low breakdown voltage and high surge capability. The P4KE91CAHR1G is capable of withstanding extremely high currents during transients and provides very effective and reliable protection. It also has a very low leakage current and a temperature range of -55°C to +160°C.

The P4KE91CAHR1G is ideal for use in a wide range of applications, such as automotive electronic control units, industrial circuit boards, medical equipment, and telecommunications equipment. It is also suitable for use in a variety of other low-voltage AC/DC systems, such as computers, consumer electronics, and other applications where circuit protection is required.

The working principle of the P4KE91CAHR1G is quite simple. When a voltage higher than its breakdown voltage is applied, the diode starts to conduct and dumps the excess current to the ground. This shunting action prevents the voltage from rising beyond its breakdown voltage and thus protecting the components in the circuit.

In conclusion, the P4KE91CAHR 1G is a commonly used high-performance diode designed for overvoltage and ESD protection. It works by clamping the voltage to a safe level, which helps protect the sensitive components of an electronic device from damage due to higher transient voltages. The diode has a low breakdown voltage, high surge capability, low leakage current, and a wide temperature range, making it suitable for use in many different types of applications.

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