SMDJ85A

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The SMDJ85A is a TVS (Transient Voltage Suppression) diode. It is designed to protect electronic circuits from overvoltage transients or induced voltage spikes that can occur for a variety of reasons. These diode devices provide protection from voltage transients up to 85V.

A TVS diode acts as a voltage clamp when subjected to over-voltage transients. It is designed to have a high-voltage breakdown characteristics, which means that when the voltage spike exceeds the specified breakdown voltage, current is allowed to flow through it. This in turn causes the protection diode to absorb the excess energy and limit the voltage of the circuit to the specified breakdown voltage.

The SMDJ85A TVS diode is a unidirectional device, and is used to protect a circuit from an overvoltage transient caused by either a momentary power spike or static electricity. As current is allowed to flow in one direction, the device serves as a circuit breaker, effectively limiting the voltage in a circuit to levels within the specified breakdown voltage.

The SMDJ85A is a transient voltage suppressor diode that has a rated breakdown voltage of 85V, a maximum clamping voltage of 60V, and a maximum peak pulse current of 2.5A. The SMDJ85A is designed to provide protection to circuits such as power supplies, processors, communications networks, and a variety of other electronic components. This device can be used in automotive electronics, consumer electronics, industrial power supplies, telecom networks, and other high-reliability applications.

The working principle behind the SMDJ85A TVS diode is that it acts as a clamp when exposed to an overvoltage transient. This means that the voltage will be limited to the diode’s specified breakdown voltage. As current is allowed to pass through the device, energy is absorbed which helps to reduce the risk of damaging sensitive electronic components.

In conclusion, the SMDJ85A is part of a family of TVS diodes that are used to provide protection from transient voltage events and overvoltage transients. These devices are designed to have high voltage breakdown characteristics and are used to limit voltage in a circuit to specified breakdown voltage levels. These are widely used in automotive, consumer, industrial, telecom, and other applications to provide protection from potentially damaging voltage transients.

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