1V5KE91CA Circuit Protection

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TVS (Transient Voltage Suppression) diodes are important components of electrical power systems. They protect against sudden voltage surges caused by lightning and system malfunctions by diverting the surge away from sensitive electronic equipment. The 1V5KE91CA is an example of a TVS diode, and this article will discuss its application fields and working principles.

The 1V5KE91CA is a unidirectional (one-way) TVS diode. It is a high temperature, unidirectional, unidirectional transient voltage suppressor with bidirectional breakover. It can be used in many applications, including automotive, industrial, and consumer electronics. It offers excellent protection against high voltage transients, while also providing superior ESD protection.

This device has a maximum peak pulse power of 5.5 kW, a surge current rating of 5 A, and a peak repetitive peak reverse voltage of 1500 V. It is designed to be used in high power applications, as it can resist voltage surges up to 1500 V. This diode also has excellent surge capability and low capacitance. This makes it suitable for use in high-frequency applications such as LCD Protection, Surge Protectors, and Mobile Phone Protectors.

The working principle of the 1V5KE91CA is based on two components, a diode and a resistor. When the over-voltage voltage exceeds its specified threshold, the resistor is bypassed and the diode becomes forward biased. The resistor acts as a catchment element, allowing the current to gradually decrease as the over-voltage disappears. The diode then blocks any further current flow and the voltage is restored to its original level.

In most applications, the 1V5KE91CA is used in combination with other devices, such as suppressors, varistors, and capacitors. When combined together, these components form a TVS assembly. This TVS assembly acts as a voltage surge guardian, reducing the magnitude of transient voltages that could otherwise damage electronic devices. The components of the TVS assembly are used together to protect against high voltages and currents, thermal and electrical shocks, and other external environmental elements.

The 1V5KE91CA is a great device for protecting electrical power systems from sudden voltage surges. It is a high temperature, unidirectional, unidirectional transient voltage suppressor with bidirectional breakover. It can resist voltage surges up to 1500 V, and it also has excellent surge capability and low capacitance. This makes it suitable for use in high-power applications and in high-frequency applications such as LCD protection, surge protectors, and mobile phone protection.

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