P4KA12HE3/54

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TVS (Transient Voltage Suppressor) diodes provide electrical protection from overvoltage conditions in electronic circuits. A variety of components are used as TVS diodes, including silicon, Zener, and metal-oxide varistor (MOV) diodes. The P4KA12HE3/54 is a double bidirectional TVS diode which reacts to both overvoltage and undershoot conditions.

The P4KA12HE3/54 is a surface mount type diode measuring 2.45mm x 3.60mm and housed in a TSSOP-5 package. It offers an excellent level of electrical protection from high and low voltages due to its very low dynamic resistance (Rdyn) of 3 Ohms, which is much lower than conventional diodes. Its maximum peak power rating is 4000W and its peak pulse current capacity of 12A ensures that it is capable of performing well in a wide range of applications. The maximum clamp voltage is 26V and its breakdown voltage is as low as 11V.

Due to its low dynamic resistance, the P4KA12HE3/54 is perfect for use in high-current applications. Its low operating voltage of 6.5V provides a much higher level of protection than other components that offer the same peak power rating. Moreover, the low operating power of 1.2W at a current of 800mA and 2.25A at 6.5V allows it to be employed in low power designs. Furthermore, its surge current of 12A at 10/1000μs ensures that it is well suited for power supplies and other protection circuits.

The primary working principle of the P4KA12HE3/54 is based on the Avalanche Breakdown effect. When an excessive voltage is applied to the diode, the Electric Field in the critical region increases exponentially. This leads to a sudden increase in current which is referred to as the Avalance Breakdown. This high current is then easily diverted away from sensitive components by the diode.

The P4KA12HE3/54 is an ideal choice for use in applications where instantaneous protection from high-voltage transients is required. It can be used to protect against electrostatic discharge (ESD) as well as to provide circuit protection. Additionally, it can be employed in automotive electrical systems, as well as in industrial applications.

In conclusion, the P4KA12HE3/54 is an excellent choice for manufacturers when it comes to providing protection from high-voltage transients in sensitive electronic circuits. With its low dynamic resistance, high surge current capability and low operating voltage, the P4KA12HE3/54 is well-suited to a variety of applications, ranging from automotive systems to power supplies. In addition, its low profile makes it easy to incorporate into a wide range of designs.

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