SA51A-E3/54 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

A TVS diode, like the SA51A-E3/54, is a device used in the protection of electrical circuits from high voltage transient pulses. The device works by “clamping” any voltage pulses above a certain level and diverting them from the device being protected. When such a pulse is sensed, the TVS diode will switch into an “on” state and dissipate the transient pulse, while maintaining a low dynamic impedance in its “off” state, ensuring that the device being protected doesn’t suffer any damage from the pulse.The SA51A-E3/54 is a silicon-based TVS diode, capable of protecting several different types of electronic circuits from a range of transient pulse types and levels. It’s a type of transient-voltage-suppression (TVS) diode, designed to protect against lightning strikes, radiation pulses, and electrostatic discharge.This TVS diode uses a type of technology known as "crowbar" protection. When the voltage pulse reaches a certain threshold, the diode will switch on and create a short circuit across the power supply, diverting the surge away from the circuit. As soon as the voltage drops back down below the threshold, the device will switch off again, allowing the circuit to resume functioning as normal.The SA51A-E3/54 is an excellent device for use in applications where power transients are present, such as those used in telecommunications, automotive, industrial, and aerospace applications. It features good electrical and thermal stability, low leakage current, and low capacitance, making it ideal for use in a wide variety of systems.The SA51A-E3/54 TVS diode has a two-pin platform and is suitable for through-hole mounting. It’s a bi-directional device, it can protect both positive and negative voltage signals, withstanding peak pulse powers of up to 77A(8/20 μs). It has a breakdown voltage of 5.4V, and a capacitance of 5pF.When looking for solutions for protecting sensitive electrical loads from high voltage pulses, the SA51A-E3/54 is a great choice. Its combination of low voltage sensitivity and robust protection make it an ideal device for applications where transient voltage protection is required.In conclusion, the SA51A-E3/54 TVS diode provides effective protection against electrical transients and is well-suited for use in a wide variety of applications. It has a low breakdown voltage, good thermal stability, and low leakage current. Its low capacitance ensures that it won’t interfere with the normal functioning of the system and its bi-directional operation means that it can be used to protect both positive and negative voltage signals.

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