MXP4KE22AE3 Circuit Protection

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The MXP4KE22AE3 is a popular TVS (transient voltage suppressor) diode that is designed to protect sensitive components from high energy pulses caused by electrostatic discharge (ESD). The popular diode works by rapidly shunting transient voltage spikes away from the protected load to ground.

The MXP4KE22AE3 is typically used in automotive, industrial, telecommunications, and consumer applications. Some popular applications include USB and Ethernet ports, touch displays, and I/O ports on embedded systems. It can also be used to protect communications interface ICs, microprocessor ICs, and other industrial electronic components.

The MXP4KE22AE3 is based on a two-terminal configuration of a P-N junction with an integrated reverse-biasing network of a MOV (metal oxide varistor) and a resistor. This configuration allows the diode to clamp quickly to a known voltage when an overvoltage surges across the diode terminals. The MOV acts as an RC snubber, increasing the diodes reverse recovery time while absorbing any energy in the transient voltage spike.

The integrated resistor works with the diode\'s capacitance to limit the surge current flowing through the diode when an over-voltage occurs. This helps to protect the diode from thermal runaway and possibility of damage under extreme high energy surge events. The resistor also helps to reduce the voltage across the diode when the transient voltage spike de-energizes, further helping to protect the diode.

The MXP4KE22AE3 has a voltage break down rating of 22V with a hold current of 5 Amps. It also has a maximum surge current rating of 22A, a response time of less than 1.0ns, and a maximum continuous operating power dissipation of 500mW. In addition, it has a maximum capacitance of 0.5pF and a lead length of 0.4 inches.

The MXP4KE22AE3 is designed to meet the requirements of automotive, industrial, and communications standards. It is UL94V-0 flame-rated and is designed to withstand operating temperatures of -55°C to +175°C. The diode is supplied in a TO-220-2 package and is available with a 2-year warranty.

The MXP4KE22AE3 is an extremely popular choice among design engineers. It is an efficient and reliable TVS diode that can easily handle high energy spike currents. The integrated resistor helps to protect the diode from thermal runaway, while the MOV helps to absorb any energy in the transient voltage spike. It is a great option for protecting sensitive electronics from high energy transients.

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