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TVS - Diodes

In electronics, a transient-voltage-suppression diode, also known as a TVS diode, is an electronic component used to protect electronic devices from voltage spikes. It is effectively a larger, more robust version of a Zener diode, designed specifically to protect other electronic components from damaging voltage transients. TVS diodes come in various configurations, have fast response times, have low leakage current, and are capable of passing large surge currents.

5KP11CA-G application field and working principle

The 5KP11CA-G diode is a bidirectional voltage-sensitive device, which is designed for the protection of high-performance I/O ports and power lines in automotive, consumer, and industrial applications. This diode has a very low maximum clamping voltage of 11 volts, which makes it highly suitable for protecting sensitive integrated circuits from overvoltage events. Moreover, this diode also has a fast-acting, wide-bandwidth response for diverting destructive electrostatic discharges and transients.

The principal of operation of the 5KP11CA-G diode can be best understood by studying its structure and behavior. This device has a very fast response time that is usually in the order of nanoseconds. When a voltage transient exceeding the breakdown voltage, typically but not always 12 volts, is applied across the TVS diode, the diode\'s reverse breakdown voltage is exceeded, and it quickly transitions to a low voltage-drop conducting state.

As the transient current passes through the diode, it draws off the high-voltage transient current, thereby protecting the board. During this process, the diode develops a voltage drop across it, and this limits the voltage to a value less than its breakover voltage. The 5KP11CA-G diode is designed to dissipate the transient surge energy while delivering the maximum amount of power to the protected component.

The 5KP11CA-G diode is available in various packages like DO-204AL, SMA, SOD-223, and DO-213AA. They have low maximum leakage current, low maximum capacitance, and low maximum inductance. So, overall they are suitable for automotive, consumer, and industrial applications with the 20 μA maximum leakage current and the 11 volt maximum clamping voltage.

In conclusion, the 5KP11CA-G is an efficient voltage-sensitive diode designed for the protection of high-performance I/O ports and power lines in automotive, consumer, and industrial applications. It has a low maximum clamping voltage of 11 volts and a fast-acting wide-bandwidth response. Currently, this diode is available in various packages like DO-204AL, SMA, SOD-223, and DO-213AA. It also has low maximum leakage current, low maximum capacitance, and low maximum inductance.

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