SMDB24E3/TR7 Circuit Protection

TVS diodes are a type of special semiconductor device that are used to protect vulnerable electronic systems from overvoltage transients, also known as electrical surges. The SMDB24E3/TR7 TVS diode is a particularly popular variety, and is used in a variety of different applications. This article will outline the SMDB24E3/TR7 application field and working principle in greater detail.

SMDB24E3/TR7 Application Field

The SMDB24E3/TR7 is often used in a variety of electrical systems, where protection from voltage transients is required. These may include power supplies, communications systems, data and telecom circuits, and automotive systems. It is also suited for industrial applications, such as solar inverters, motor controls, industrial heating and lighting, and general industrial electronics.

The SMDB24E3/TR7 is specifically designed to protect against ESD (electrostatic discharge) events as well as other voltage transients. It offers very low clamping voltages and minimal additional power dissipation, which makes it ideally suited for suppressing ESD discharges.

The SMDB24E3/TR7 is also useful for protecting against power-line transients, resulting from a surge in the mains power. The device is able to absorb up to 400 Watts of power, meaning it can suppress a large transient event without also damaging the system.

SMDB24E3/TR7 Working Principle

The SMDB24E3/TR7 is a breakdown diode, meaning that it uses a semiconductor junction to provide protection against overvoltage transients. The diode, like any other diode, consists of two different semiconductor types, known as P-type and N-type. When there is an overvoltage event, the P-type material is suddenly exposed to a higher electrical potential than the N-type material. This causes current to flow across the junction, which then dissipates the overvoltage.

The SMDB24E3/TR7 is designed to clamp at a very low voltage threshold, in order to protect vulnerable components from damage due to ESD events. The low voltage means that it can prevent damage even during ESD events that result in high electrical potentials. Furthermore, the device is able to absorb up to 400 Watts of power without damage, making it well-suited for protection against power-line transient events.

Conclusion

The SMDB24E3/TR7 is a type of TVS diode designed to protect against overvoltage transients. It is suitable for a variety of different applications, including power supplies, communications systems, data and telecom circuits, and automotive systems. It can also protect against both ESD events and power-line transient events, due to its ability to absorb up to 400 Watts of power without damage. The device relies on a breakdown diode principle, in which the junction between two semiconductor materials is exposed to higher potential than normal in order to dissipate the power.