ESDN12VD3-TP Circuit Protection

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ESDN12VD3-TP is a Transient Voltage Suppressor (TVS) diode that is designed to protect sensitive electronic components such as integrated circuits and transistors from voltage or current transients that may be caused externally by lightning or other sources. The ESDN12VD3-TP is designed to provide surge protection for electronic devices exposed to transient over-voltages, providing protection from ESD (Electro-Static Discharge), EFT (Electrical Fast Transients), and surge voltage events. The ESDN12VD3-TP TVS diode has a low clamping voltage of 12V and can handle transient surge currents up to 2A. It is offered in an SOT-23-5 package, making it suitable for a variety of applications, including automotive, industrial, and consumer electronics.

ESDN12VD3-TP uses a combination of a Zener diode and a PN junction. The PN junction is connected in parallel to the Zener diode. When a transient voltage or current occurs, the Zener diode is triggered by the reverse voltage, allowing the current to flow through it. This current then passes through the PN junction which acts as a clamp and shorts the excess voltage to ground. The PN junction has a much lower breakdown voltage than the Zener diode, so it acts as a clamping device to reduce the voltage. This process reduces the voltage to a safe level and prevents damage to the device connected.

The ESDN12VD3-TP is most commonly used in automotive, industrial and consumer electronics applications. They are used to protect components from over-voltage and over-current transients caused by lightning, electro-magnetic pulse (EMP), or other sources. They are also used to protect components from over-voltage and current transients caused by power surges, as well as providing surge protection for automotive and communication systems. The TVS diode\'s low clamping voltage and high surge capability make it ideal for high performance and high reliability applications, such as those found in automobiles, industrial and military electronics systems.

The ESDN12VD3-TP has a wide operating temperature range, making it suitable for use in a wide range of environmental conditions. It is also RoHS compliant and can withstand temperatures up to 150 degrees Celsius. The diode is designed to be resistant to shocks, vibrations and moisture, providing assurance of reliable operation in harsh environments.

In conclusion, the ESDN12VD3-TP Transient Voltage Suppressor (TVS) diode is designed to provide protection from transients caused by electrical fast transients, electrostatic discharge and other sources. Its low clamping voltage of 12V and high surge capability make it suitable for use in high reliability applications in automotive, industrial and consumer electronics applications. It has a wide operating temperature range and is RoHS compliant, making it an ideal solution for reliable and robust circuit protection in a variety of environments.

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