MSMBG17AE3 Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TVS-Diodes, also known as transient voltage suppressors (TVSs), are devices made of semiconductor materials that are designed to protect against voltage spikes. The MSMBG17AE3 is a TVS-Diode specifically designed to protect sensitive circuits and equipment from transient voltage threats such as ElectroStatic Discharge (ESD), inductive switching events, lightning, and electrical transients. This article will explain the application and working principle for the MSMBG17AE3.

Applications

The MSMBG17AE3 is designed to protect a range of low-voltage and low-current circuits in two different applications. One application is designed to protect circuits from general ESD and inductive switching events. This application typically employs a 5V zener diode. The other application is designed to protect against lightning-induced transient voltage threats. This application typically employs a 7.5V zener diode.

The MSMBG17AE3 can be used on multilayer printed circuit boards with surface-mount technology. It is designed for both commercial and automotive grade environments and is rated for high-powered current and high-wire wiring. It is also designed to provide EMI/RFI noise immunity. Furthermore, it is cost-effective and designed to protect the system without incurring a penalty on signal integrity and throughput.

Working Principle

The MSMBG17AE3 is a multi-element transient voltage suppressor (TVS). It uses the diode clamping principle in order to accurately react to circuit-threatening transients. This TVS features three main components: a pair of parasitic capacitors, a zener diode, and a reverse biased NPN transistor. When a transient voltage is applied to the TVS, the parasitic capacitors help reduce the rise time of the transient, allowing the zener diode to begin conducting. This in turn causes the reverse biased NPN transistor to amplify the voltage and limit the transient. This limiting action helps protect the circuit from potential damage.

In addition, the MSMBG17AE3 features an active level shift protection for openings in the circuits. This active level shift protection allows the MSMBG17AE3 to quickly respond to transients and limit the damages they may cause. Furthermore, its self-trigger stabilization resistor helps prevent false triggering from secondary transients. And its Schottky diode helps reduce the power loss associated with parasitic inductance.

Conclusion

The MSMBG17AE3 TVS Diode is a versatile and cost-effective way to protect circuits from transient voltage threats. Its multi-element design makes it a good choice for both commercial and automotive grade applications and it is designed to provide EMI/RFI noise immunity. Furthermore, its active level shift protection and self-trigger stabilization resistor help to ensure that transients are limited and false triggering is prevented. The MSMBG17AE3 is a good choice for those looking for an efficient and cost-effective way to protect against transient voltage threats.

The specific data is subject to PDF, and the above content is for reference