ICTE18-E3/51

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ICTE-18-E3/51 diodes belong to a type of Transient Voltage Suppressor (TVS) diodes. These diodes are used to protect sensitive electronics against transient voltage spikes or voltage changes in the power supply. They provide protection against overvoltage from circuit board and wire harness shorts, sparking from relays, and high energy pulses that may occur due to AC or DC switching. Typical applications include mobile phones, tablets, digital cameras, and industrial electronics.

The ICTE-18-E3/51 diodes are non-polarized components, designed to shunt transient voltages away from sensitive components and circuitry. They are especially designed to protect against ESD (electrostatic discharge) with a bidirectional protection capability. The device is bidirectional, meaning that it can handle positive and negative pulses. It has a breakdown voltage of 20V minimum and maximum withstand voltage from 65V to 72V. The peak pulse current rating is at 300A, the peak power dissipation is 500W, and the typical turn-off time is 5ns.

The device also has an integrated metal oxide varistor (MOV) element which provides additional protection against surges and transients. The MOV reduces the voltage spike that may occur in a power supply and protects the device. The device also has a diode bridge that works together with the MOV to further reduce the voltage spike.

The working principle of the ICTE-18-E3/51 diodes is fairly simple. It begins with an initial surge or transient voltage. When the surge reaches the protected electronic device, it first passes through the MOV, which reduces the voltage. The reduced voltage then reaches the diode bridge, where it is further reduced. Finally, the voltage reaches the protected device, where it is safely dissipated. This allows the protected device to remain undamaged and functional.

In conclusion, ICTE-18-E3/51 diodes are a type of transient voltage suppressor that provide protection to sensitive electronic equipment. They have a breakdown voltage of 20V minimum and maximum withstand voltage from 65V to 72V, with a peak pulse current rating of 300A and peak power dissipation of 500W. The device has an integrated MOV element and a diode bridge which work together to reduce voltage surges. The protection provided by the ICTE-18-E3/51 diode is essential for a variety of mobile and industrial electronics.

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