SMA6J5.0A-E3/5A

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TVS (transient voltage suppressor) diodes, also known as clamp diodes, are widely used for protection of electronics from static electricity, which can cause surge voltages. SMA6J5.0A-E3/5A, as a TVS diode, is commonly used in various application fields for its superior protection performances and reliable working process.

The SMA6J5.0A-E3/5A features a unidirectional type structure that enables it to protect sensitive circuits from high voltage transient. It has a fast response time of 10ns or less and can reduce the risk of destruction due to maximum working voltage allowance of 5KV surge (10 x 1000us wave). Furthermore, with its low capacitance of 2.7pF, it offers a wide range protection rate ranging from 5.0V to 5.5V.

SMA6J5.0A-E3/5A is widely used in USB type-C ports, automotive power supplies, portable charge systems, and other areas requiring high accuracy TVS protection. For instance, it can be used in USB Type-C ports to protect data line and power line from sudden surges in voltage. Moreover, it can provide robust voltage stabilization of automotive systems, protecting them from any noise or interference.

The working principle of SMA6J5.0A-E3/5A is related to the formation of an avalanche breakdown, a process that occurs when avalanche diodes are exposed to an over-voltage situation. Under normal conditions, the SMA6J5.0A-E3/5A is in an off state. When a surge is applied, the anode voltage reaches up to the avalanche voltage VBD. At this point, the avalanche diode enters the breakdown region, whereby the remaining conditions for avalanche breakdown are met. Electron-hole pairs are formed as a result of the electric field generated by the avalanche breakdown, resulting in increased current and current amplification. This leads to a reduction in voltage and the device going back to its off state.

In conclusion, SMA6J5.0A-E3/5A is an important kind of TVS diode widely used across different application fields. It has features such as a fast response time, low capacitance, and high level of protection from transient voltages. By understanding its working principle, it is easy to evaluate the performances of this TVS diode and gain the most value from it.

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