1.5KE220CAHE3_A/C

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TVS (Transient Voltage Suppression) diodes are designed to protect sensitive electronic components from damage caused by electrostatic discharge (ESD) or lightning strikes. The 1.5KE220CAHE3_A/C is a bi-directional TVS diode, offering superior protection against voltage spikes. This device is primarily used to discharge fast transient electrical impulses.

The 1.5KE220CAHE3_A/C is rated to provide ESD protection up to +/-25kV contact discharge and +/-50kV air discharge. It also has a peak pulse power rating of 1.5kW. The device is available in various package styles, including SMD (Surface Mount Devices) and thru-hole. A common application for the 1.5KE220CAHE3_A/C would be the protection of a telephone line from lightning induced surges or ESD.

The primary function of a TVS diode is to provide a low impedance path to ground when subjected to an electrical impulse. These devices are designed to conduct current when the voltage on either side of the diode exceeds the breakdown or “clamping” voltage of the device. The 1.5KE220CAHE3_A/C has a clamping voltage of 26V, meaning that when the voltage across the diode reaches a level of 26V, the device will begin to conduct current and quickly reduce the voltage to a safe level.

In order to achieve optimal performance, the 1.5KE220CAHE3_A/C must be properly connected in the application circuit. The device must be installed in series with the device it is intended to protect and should be as close to the device as possible. If the diode is installed too far away from the device, its performance may be reduced.

The 1.5KE220CAHE3_A/C also has a series resistor to limit the surge current and provide better reliability and protection for the circuit. The resistor is in series with the TVS diode and is designed to slow down the incoming surge current so that it won’t exceed the maximum power rating of the TVS diode. This resistor, along with the TVS diode, dissipates the incoming surge voltage and current, providing protection to the connected components.

TVS diodes like the 1.5KE220CAHE3_A/C are essential components in any application that requires protection from adverse voltage or current spikes. These devices provide an effective and reliable means of protecting sensitive components from harmful transients. By providing a low impedance path to ground, this device can help reduce the risk of equipment failure or degradation from the effects of voltage and current spikes.

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