SMCJ78A-E3/57T Circuit Protection

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TVS (Transient Voltage Suppressors) diodes are widely used in modern electronic circuits. The SMCJ78A-E3/57T is a device in this category, offering voltage suppression protection against transients on power and data lines in a wide variety of applications.

The SMCJ78A-E3/57T is a unidirectional device designed to protect the system and its components against destructive transient voltages. It features a thermally-enhanced plastic case with two termination leads, molded to a standard two-lead transistor outline. The device will protect equipment from voltage transients induced by lightning and other transient voltage events, as well as ESD (electrostatic discharge).

The SMCJ78A-E3/57T has a rated peak pulse power rating of 8.0 watts at a 5/1000μs pulse width. It is designed to be used in applications with voltages up to 140V, and is configured for an 8.3A peak pulse current. The device has an operating temperature range of -55°C to +125°C.

The SMCJ78A-E3/57T works by providing a low impedance path for current to flow when a transient voltage is applied. This allows the device to absorb and dissipate the transient energy, which in turn, prevents it from reaching sensitive circuit components. The device is designed to trigger quickly, responding to fast voltage transients in nanoseconds.

The SMCJ78A-E3/57T can be used in a wide variety of applications, ranging from automotive and consumer electronic devices, to industrial and telecommunications equipment. It is ideal for use in power and data lines, as it can protect against electrostatic discharges and surge events as well. The device can also be used to protect against high voltage transients caused by lightning.

The SMCJ78A-E3/57T is designed to provide robust protection for electronic circuits, and offers a cost effective solution for a wide range of applications. Its fast response time and low capacitance make it an effective solution for transient voltage protection.

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