5KP43CA-HR Circuit Protection

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TVS (transient voltage suppressor, also known as “transient voltage suppressor diode”) is a specially designed diode commonly used in the engineering field for protection from over voltage. It is designed to protect sensitive electronics and electrical components from overvoltage transients such as lightning, inductive load switching, and electrostatic discharge (ESD).

5KP43CA-HR is a Transient Voltage Suppressor Diode. It is constructed of two series connected 5KP43CA-HR components. This diode is designed to provide protection from transients caused by static electricity, induced voltage and other electrical disturbances. The 5KP43CA-HR is a unidirectional (action in one direction) device that will conduct current when the breakdown voltage (VBR) is exceeded.

It\'s application field includes 5KP43CA-HR is typically used in DC-DC converter and general industrial applications, such as circuit protection, motor control circuits, lamp circuits, home appliance designs,aerospace applications, medical instrumentation, automotive systems and computer related systems.

The working principle of 5KP43CA-HR is that when the applied voltage reaches a certain threshold, the diode will conduct the current, thus providing transient protection. The device has a low capacitance and will not interfere with the normal operation of the device. It can be used to protect circuits from high voltages, such as lightning surges, electrical static discharges, or inductive switching surges.

When the breakdown voltage is reached, the diode will quickly switch from a low impedance to a high impedance state. This high impedance state will ‘absorb’ the overvoltage, temporarily providing a path for current to flow instead of toward the device being protected. This protection functions by clamping the voltage to the breakdown voltage, which effectively limits the voltage seen by the protected device, thus restoring the protected device to a safe operating state.

In conclusion, 5KP43CA-HR is a unidirectional diode which is typically used for DC-DC converter and general industrial applications, such as circuit protection, motor control circuits, lamp circuits, home appliance designs,aerospace applications, medical instrumentation, automotive systems and computer related systems. The device provides transient protection against electrical discharges, transients or surges by quickly switching from low to high impedance when the breakdown voltage is reached.

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