MASMCJLCE40AE3 Circuit Protection

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TVS - Diodes

A Transient Voltage Suppressor (TVS) diode is a semiconductor device that is designed to prevent voltage surges caused by electrostatic discharge (ESD) or lightning strikes. It is used where overvoltage protection is needed. TVS diodes can also provide current limiting and dynamic clamping. They can be used to protect a device from a surge of supply input voltage, but also to provide short-circuit protection.

MASMCJLCE40AE3 Application Field and Working Principle

The MASMCJLCE40AE3 is a Bidirectional Transient Voltage Suppressor (TVS) Diode from Nexperia. It is a unidirectional device that is designed to protect sensitive equipment from over-voltage faults. It provides ESD suppression in the range of 2 to 8kV for both the fields of AC & DC, as well as 2 to 8kV for pipe modulation. The component belongs to the family of Bi-Directional TVS diodes specifically designed for Transient Voltage Suppression (TVS). This particular model, MASMCJLCE40AE3, is available with a maximum working voltage of 32V DC, and a maximum breakdown voltage of 45V, and possesses a very fast response time of less than 10 nanoseconds.

The MASMCJLCE40AE3 is typically used to protect receivers and other systems from sudden surges in power and voltage. Both its clamping voltage and power dissipation are extremely low due to its low capacitance. Its dual-electrode structure features a silicon MOSFET structure, making it low-loss and noise-immune. Additionally, its Metal Oxide Varistor (MOV) type clamps protect the device from over-voltage, making it ideal for Transient Voltage Suppression (TVS) applications.

The MASMCJLCE40AE3 works by clamping and dissipating transient current when a surge of voltage occurs. This occurs when the two junction capacitances at each terminal reduce the inherent capacitance of the diode. The diode then functions as a voltage controlled switch, and the capacitance together with the forward voltage drop of the diode, can determine the breakdown voltages. When the circuit voltage surpasses this breakdown voltage, the diode acts as a low-resistance path, quickly dissipating the energy buildup in the diode.

The MASMCJLCE40AE3 is designed for general purpose applications, and hence can be used in a variety of applications, such as consumer electronics, industrial systems, communication systems, and computer peripherals. Applications where protection from transient over-voltage conditions is required include automotive systems, high-speed telecom communications, and military equipment.

In summary, the MASMCJLCE40AE3 is a Transient Voltage Suppressor (TVS) diode from Nexperia. It is an unidirectional device designed to protect sensitive equipment from over-voltage faults, offering a low clamping voltage and low power dissipation. Its Silicon MOSFET structure and Metal Oxide Varistor (MOV) type clamps make it ideal for transient voltage suppression applications, and it can be used in a variety of applications, such as consumer electronics, industrial systems, communication systems, and automotive systems.

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