P4KE9.1C Circuit Protection

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TVS (Transient Voltage Suppressive) diodes are a type of electrical device that is designed to protect electronic circuits from voltage spikes and power surges. They are designed to absorb high voltage shocks and limit the amount of current that flows through an electronic circuit. The P4KE9.1C is a popular TVS diode that is commonly found in applications involving industrial, automotive, medical, and military systems.

The P4KE9.1C diode is encapsulated in a 4.4 x 4.0 mm SMA (Surface Mount Assembly) package. The device has a voltage rating of 9.1 V and can withstand up to 60 A of repetitive peak-pulse current. The voltage rating of the device is expressed as a power dissipating rating and corresponds to the amount of power that can be dissipated before the device experiences a breakdown. The reverse stand-off voltage of the device (the maximum reverse voltage that can be applied before the device becomes permanently damaged) is 7.1 V.

The P4KE9.1C diode works by blocking the current flow until the voltage reaches its rated threshold. Once the threshold has been reached, the diode switches and allows a certain level of current to flow. This current is limited by the device\'s power dissipation rating. The device has a low clamped voltage and is able to quickly recover after being exposed to transient voltage signals. The response time is very fast, typically less than 1 nanosecond, so it is well suited for high frequency applications.

The P4KE9.1C diode is used in a variety of applications, including automotive, industrial, medical, and military systems. In automotive applications, the TVS diode is used to protect circuit boards from power surges that may be caused by lightning, inductive loads, and other transient events. In industrial systems, the P4KE9.1C diode is used to protect sensitive electronic components from voltage spikes, power surges, and other high-voltage events. The device is also used in medical devices to protect them from power surges and EMI (Electromagnetic Interference). Finally, the device is used in military systems to protect circuit boards from high voltage shock and power surges.

In conclusion, the P4KE9.1C diode is a popular TVS diode that is used to protect electrical circuits from voltage spikes and power surges. The device has a voltage rating of 9.1 V and can withstand up to 60 A of repetitive peak-pulse current. The device is suitable for a variety of applications, including automotive, industrial, medical, and military systems.

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