P4SMA51C Circuit Protection

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P4SMA51C Application Field and Working Principle

P4SMA51C is an advanced 5W, 400 Watt unidirectional transient voltage suppressor (TVS) diode. It is designed to protect sensitive electronic components from high voltage transients. P4SMA51C is used in applications requiring reliable surge suppression over the life of the application. It features a 5.1 volt peak clamping voltage over a wide operating temperature range and provides ESD protection up to 25kV HBM.

P4SMA51C TVS device has a peak reverse breakdown voltage of 51 V and a forward voltage of 2.1 V. It can operate in temperatures ranging from -55℃ to +125℃. The device also exhibits excellent stability during electrical cycling and excellent capacitive discharge pulse loading characteristics. It has power dissipation capability of 500 mWatts and capacitance range from 0.5 pF to 15 pF. In addition, it has a low leakage current rating, which allows for higher current loads.

P4SMA51C is an ideal device for EMI protection, overvoltage protection, undervoltage protection, and amplifier protection. It is also used in automotive, medical, and military applications. The device has a maximum peak pulse current of 33 Amps (10/1000us) and a maximum clamp voltage of 5.1V. It is designed to provide surge protection and protect sensitive electronic components from high voltage transients.

The working principle of P4SMA51C is relatively simple. The device works by providing a reverse DC voltage breakdown for any higher transient voltage that may appear across its terminals. The reverse breakdown voltage is adjustable, and the reverse current remains low until the specified voltage is reached. Once the specified voltage is reached, the reverse current will start to increase, causing the VRRM to decrease. This allows for more current to flow through the device and effectively suppress any transient voltages.

P4SMA51C TVS diode is capable of withstanding short high-voltage pulses while avoiding damage to the surrounding delicate electronic components. The device is also able to handle many high voltage and fast switching power supply applications. It is also suitable for EMI suppression, overvoltage protection applications, amplifier protection, and other sensitive electronic circuits requiring a high level of surge protection.

P4SMA51C has a lot of advantages including high stability during electrical cycling, low leakage current, and excellent climatic performance. It has a wide range of applications, operating temperature, and capacitance. It is suitable for use in many on-board configurations. For applications where transient protection is of utmost importance, P4SMA51C is the ideal solution.

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