Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	150V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	600 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 114V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMA)

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

Diodes - Zener - Single - 1SMA5953HR3G Application Field and Working Principle

The 8-pinch 1SMA5953HR3G Zener diode is a widely used semiconductor component found in many electronic circuits. It performs the important function of providing precise voltage control to the circuit. In this article, we will discuss the application fields for the 1SMA5953HR3G and the working principle behind its operation.

Application Fields

A Zener diode is a popular choice in voltage regulation circuitry due to its precise and predictable voltage drop. The 1SMA5953HR3G has a wide range of potential applications. In power supplies, the 1SMA5953HR3G can be used in voltage regulation circuits to prevent overvoltage conditions and to ensure the supply voltage remains constant. It can also be used to supply a precise constant voltage to sensitive electronics.In automotive electrical systems, the diode can be used to prevent voltage spikes due to switching of electric motors. It can also be used for reverse polarity protection and for circuit isolation.In security systems, the Zener diode can be used to detect AC/DC power loss, voltage variation, and tampering.In communication systems, the diode can be used in transmission and switching systems to provide reliable voltage regulation for the control and isolation of digital signals.

Working Principle

The 1SMA5953HR3G Zener diode works by exploiting the phenomenon of zener breakdown. This phenomenon occurs when the voltage difference between the anode and the cathode of the diode exceeds a certain critical value. At this point, a large surge of current is allowed to flow through the diode, which results in a rapid increase in voltage across the diode. The voltage across the diode then stabilizes at a certain value, which is known as the ‘zener voltage’.The 1SMA5953HR3G has a maximum zener voltage of 5.1V. This means that, when the voltage differential between the anode and cathode is greater than 5.1V, the diode will allow a large surge of current to flow through it, resulting in a stable voltage of 5.1V. This voltage can then be used to power or regulate other components in the circuit.

Conclusion

The 1SMA5953HR3G Zener diode is a widely used component in a range of different fields, including power supplies, automotive systems, security, and communication systems. The component works by exploiting the phenomenon of zener breakdown, which occurs when the voltage difference between the anode and the cathode exceeds a certain value. When this happens, the diode will allow a large surge of current to flow, resulting in a stable voltage of 5.1V. This voltage can then be used to power other components or to regulate the circuit.

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

Part Number	Manufacturer	Price	Quantity	Description