SA18A-E3/73 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	29.2V
Supplier Device Package:	DO-204AC (DO-15)
Package / Case:	DO-204AC, DO-15, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	17.1A
Series:	TransZorb®
Voltage - Breakdown (Min):	20V
Voltage - Reverse Standoff (Typ):	18V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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

Introduction

TVS diodes (Transient Voltage Suppressor Diodes) are specially designed semiconductor components used to protect delicate electronic circuitry from damage due to transient or electrical surges. They have become increasingly popular, providing reliable and cost-effective solutions to protect and extend the life of a wide range of applications. The SA18A-E3/73 is a unidirectional TVS diode widely used in automotive, medical, consumer, and industrial applications, thanks to its high quality and reliable performance.

Application Fields of SA18A-E3/73

The SA18A-E3/73 TVS diode is used to protect a wide range of applications from transient voltage surges and spikes. It can be used in automotive applications such as automotive lighting, powertrain and audio systems, and electric fuel pumps. It is also suitable for use in consumer, medical, and industrial applications because of its high quality and reliable performance. The SA18A-E3/73 is also used in low-frequency applications, such as power supplies and audio amplifiers, where it provides effective protection from electro-magnetic interference (EMI). It is also suitable for highly sensitive electronic equipment, where it protects against over-voltage and transient events.

Working Principle of SA18A-E3/73

The SA18A-E3/73 is a unidirectional TVS diode, which means it is designed to allow the flow of current in only one direction. The device is made up of a semiconductor junction and two electrodes, which are called the anode and the cathode. The diode blocks the flow of current from the anode to the cathode and allows the current to flow from the cathode to the anode. When the TVS diode is exposed to an electrical surge or transient, the voltage across the diode increases. This causes the current in the device to increase, and the device will quickly clamp the voltage across itself to a predetermined voltage. This prevents the transient from damaging sensitive electronic components down the line.

Conclusion

In conclusion, the SA18A-E3/73 TVS diode is a reliable and cost-effective solution for protecting applications from transient and electrical surges. It can be used in a wide range of applications, such as automotive, consumer, medical, and industrial applications. The diode is made up of two electrodes and a semiconductor junction, which allows the flow of current in only one direction. When exposed to an electrical surge, the diode quickly clamps the voltage across itself to protect downstream components.

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

Part Number	Manufacturer	Price	Quantity	Description