P4KE550A

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Electrical goods, computer systems, and other sensitive equipment are all vulnerable to surges caused by lightning or power lines and In order to protect these systems, TVS Diodes are needed. P4KE550A is one type of TVS diode that helps reduce power surges in electronic devices, it prevents short circuits from damaging components and protecting against Electro-Static Discharge (ESD).

P4KE550A is a bi-directional, single-line TVS diode that is designed to protect sensitive components and systems from ESD, Electrical Fast Transients (EFT), Lightning Induced Transients (LIT), and other related power transients. The device can withstand up to 45A of peak dissipating power, and its surge clamping is achieved by a Zener breakdown voltage of 550V. It is also extremely low in capacitance, making it suitable for high-speed transmission lines.

The working principle of P4KE550A TVS Diode involves two special components, a Zener diode for clamping action and a resistor for current limiting action. When a transient strikes, the diode\'s Zener section comes into play, clamping the voltage and allowing an acceptable amount of current to flow through the resistor. This reduces the voltage and current seen by the underlying components and protects them from damage. It is important to note that while the diode will allow some current to flow through, it will stop any voltage that is too high.

The P4KE550A’s working principle helps to protect against overvoltage and is ideal for use in a variety of systems, including automotive systems. It is also suitable for telecommunications, navigation equipment, computers, and other power sensitive devices that can be affected by transient overvoltages. The device is constructed on a lead-free, RoHS-compliant platform, making it safe for use in most applications.

The P4KE550A is a low-capacitance, bi-directional TVS diode that offers an excellent protection solution against transient surges while maintaining the minimal power loss and attenuation levels. It is suitable for a wide range of applications, including automotive, communications, navigation equipment, industrial systems, and more and is designed to operate across a wide temperature range. It is easy to install and can be mounted in either horizontal or vertical orientations.

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