SMCG170A-E3/9AT Circuit Protection

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The SMCG170A-E3/9AT is a unidirectional Transient Voltage Suppressor (TVS) diode, widely used in many applications. Its primary purpose is protecting integrated circuits and other electronic devices from overvoltage and electrostatic discharge (ESD). It functions as a protector against excessive current, which could potentially cause damage to the circuit. This diode is suitable for both indoor and outdoor applications, due to its robust construction and excellent thermal and electrical properties.

The SMCG170A-E3/9AT is a bipolar TVS diode, with a peak working voltage of 170V. It has an operating temperature range of -55oC to +150oC. It is a bidirectional diode, which means that it can block voltage in both directions, making it suitable for use in AC circuits as well as DC circuits. It features a low dynamic resistance and surge current capability, which makes it a great choice for overvoltage protection.

On the working principle side, the SMCG170A-E3/9AT is a passive semiconductor device, which has a P-N junction. When exposed to a reverse voltage, the depletion region of the junction increases and the diode breaks down. That is, it allows current to flow across the junction, up to the diode’s rated peak current. The diode will then prevent any further current from passing through the junction, and will suffer a small voltage drop along with it.

The SMCG170A-E3/9AT is designed for multiple market applications, including Automotive, Computer, Communications, Consumer, Industrial, Medical, and Military/Aerospace/Avionics. Its exceptional electronic performance qualities make it an ideal choice for protecting sensitive electronics. It is also an effective protector against lightning strikes. In automotive applications, it is widely used as a protection device against ESD and overvoltage conditions.

The SMCG170A-E3/9AT can be used as part of a protection circuit that helps regulate excessive current or activate shutdown circuits in the event of a power surge. It works by dissipating the energy of the surge, making it an ideal solution for protecting circuit boards and other sensitive electronic components from power surge and overvoltage damage. Additionally, the SMCG170A-E3/9AT has an often overlooked but important feature – it offers superior EMI filtration, meaning that it can filter out unwanted noise and interference from the signal.

In conclusion, the SMCG170A-E3/9AT is a versatile and reliable semiconductor device, designed to protect integrated circuits and other devices from damage due to overvoltage and ESD. It is suitable for both indoor and outdoor applications, and its electrical and thermal properties make it a great choice for multiple market applications. Its low dynamic resistance and surge current capability make it an effective protector against lightning strikes and power surges. Additionally, its superior EMI filtration abilities make it an ideal choice for noise-sensitive devices.

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