3KP28C-B

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The 3KP28C-B is an electronic component made up of a diode, but it’s classified as a transient voltage suppressor (TVS). It provides a very valuable form of protection for a circuit against transients or electrical surges that could cause harm or malfunction of the system components. This component functions as a voltage clamp, which means that when the voltage exceeds a certain specified level, it will clamp the voltage to a safe level, thus preventing damage.

TVS-diodes are widely used in a variety of industries, especially for automotive and computer parts. Automotive technicians use TVS-diodes to protect electronic components from the electric surges or electrostatic discharges that can occur from a jump start or other electrical problems. In computers, these special diodes protect against interferences that could potentially damage internal components, such as malfunctioning of disc drives or memory.

The most common type of 3KP28C-B is designed to protect against electrostatic discharge (ESD) and electrical surges, with its primary purpose being surge protection. It is an unidirectional diode, which means it allows current to flow one way only, and it is rated to withstand voltage levels of up to 28 volts and up to 5 amperes. It also has an extremely low clamping voltage of only 1.2V.

The working principle of the 3KP28C-B is based on the concept of clamping. This means that when a certain level of voltage is exceeded, the diode will clamp the voltage down to its safe level, thus protecting the circuit. The 3KP28C-B is designed to clamp voltages from -25V to +30V. Initially, the diode allows current to flow through it, but as soon as the voltage rises above the clamping threshold, the diode will begin to resist and eventually reduce the voltage to the desired level.

The 3KP28C-B also includes the additional benefit of a surge absorber. This means that when the voltage exceeds the clamping level, the diode will absorb the surge and dissipate its energy as heat. This is done through the diode\'s junction capacitance, which absorbs the energy and disperses it throughout the device, thus preventing further damage.

In conclusion, the 3KP28C-B is a great tool to protect circuits from transients or electrical surges. It is a unidirectional diode, rated to handle up to 28V and up to 5A, which can protect against ESD and electrical surges. It has an extremely low clamping voltage of 1.2V, and the diode’s junction capacitance also provides additional surge absorption. It is commonly used in automotive and computer applications to protect against electrical interference and malfunctioning of components.

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