5KP170CA

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A TVS - Diaode is a semiconductor component that provides electrical protection and power switching to protect electronic circuits from damage. It can also prevent the circuit from malfunctioning as a result of voltage or current over-voltage and over-current. The 5KP170CA is a transient-voltage-suppressor (TVS) diode designed and manufactured by Vishay. This product has been qualified according to the relevant automotive standards for applications such as automotive engine control, automotive body control, emissions control and automotive navigation systems.

The 5KP170CA diode features an integrated circuitry which includes an internal zener diode and a built-in voltage-clamping element. This combination enables it to quickly suppress any over-voltage, while also providing protection against over-current. It also efficiently dissipates energy generated by the overvoltage, ensuring that no energy remains in the circuit. The 5KP170CA diode is able to respond to wide-range transient over-voltage conditions from 8 volts (V) to 170 volts (V). It has a surge withstanding capability of up to 1500 watts peak pulse power (Wpk).

In order to ensure the safety and reliability of the 5KP170CA diode, it is subjected to rigorous quality control measures during the manufacturing process. The diode has a dielectric ISO performance rating of 5 millivolts (mV) and a capacitance of 0.15 picofarads (pF) between the terminals. Its peak pulse power rating is 5 watts (W). It has a leakage current of 0.05 µA at 25°C and a breakdown voltage of 26.8 volts (V).

The 5KP170CA diode is widely used in automotive applications that require protection from transient overvoltage and overcurrent. It is commonly used in engine control, body control, emissions control and navigation systems. It is also suitable for use in industrial applications such as switching power supplies, motor control, lighting and general-purpose electronics. The diode exhibits excellent performance at elevated temperatures and hence is an ideal solution for automotive and industrial applications that require high reliability and safety.

The working principle of the 5KP170CA diode is simple. When a voltage greater than its breakdown voltage of 26.8V is applied across it, the diode begins to conduct current and effectively restricts the rise in voltage beyond the clamping voltage. This action helps protect the circuit from voltage transients, high current surges and voltage spike issues. The diode also dissipates the generated energy and prevents any further voltage transients.

In conclusion, the 5KP170CA diode is a versatile component designed to provide effective protection from over-voltage and over-current transients in a wide range of automotive and industrial applications. It features an integrated circuitry which includes an internal zener diode and a built-in voltage-clamping element. This combination enables it to deliver quick and reliable protection against sudden rise in voltage and current. Furthermore, it is also capable of dissipation of energy generated by the excessive voltages and currents, which helps keep the circuit safe from damage.

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