MXP4KE20CA Circuit Protection

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TVS - Diodes are used for the purpose of protecting sensitive electronic components from high-voltage transients and electrostatic discharge (ESD). The MXP4KE20CA is a Unidirectional, 20V, axial-leaded, Silicon Avalanche Diode (SAD) which provide Electronic Circuit protection from transient over-voltage events. These devices are often found in applications such as Motor Control Circuits, Automotive, Industry, Communications and Consumer Electronics.

The MXP4KE20CA has a reverse breakdown voltage (VBR) of 20V with a peak pulse power rating of 400W. It can be operated up to a peak current rating of 40A, and it is RoHS compliant with a maximum clamping voltage of 24.6V. It has an operating temperature range of -55°C to +150°C with a storage temperature range of -55°C to +150°C. It also has a fast turn-off time of 20ns.

The working principle of MXP4KE20CA is based on an avalanche breakdown mechanism. When a voltage that is greater than the Valley of the breakdown voltage is applied to the device, electrons gain energy and travel across the junction in the form of avalanche breakdown. This breakdown mechanism enables the device to clamp the voltage to a certain level and protects sensitive electronic components from failing due to the transient over-voltage events.

The unique feature of the MXP4KE20CA is that it can provide high power protection at a much lower junction temperature than other protection devices in the same class. This allows the system to operate at higher power levels without reducing the reliability and service life of the device. The device also provides a fast turn-off time and an excellent clamping capability, ensuring that the circuit is protected from over-voltages.

In summary, the MXP4KE20CA is a Unidirectional, 20V, axial-leaded Avalanche Diode specifically designed for protecting sensitive electrical components from over-voltage transients. It has a fast turn-off time and excellent clamping capability, allowing it to provide high power protection at a much lower junction temperature than other similar protection devices. This makes it ideal for a wide range of applications including motor control circuits, automotive, industry, communications and consumer electronics.

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