SA45-E3/73

Voltage - Clamping (Max) @ Ipp:	80.3V
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):	6.2A
Series:	TransZorb®
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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TVS (Transient Voltage Suppressor) Diodes are widely used in different industrial applications because of their ability to provide protection to the circuit from a wide range of voltage transients. The SA45-E3/73 is one such example. This TVS diode is used in the automotive field, as well as consumer and industrial applications. This device provides protection from transients such as electrostatic discharge, high voltage surges, inductive switching, and surge waves.

The SA45-E3/73 is a bi-directional device with an operating voltage of 5.0V up to 50V. It can handle up to 26A in peak current and has peak pulse power dissipation ratings of 450W. The device has a fast response time of less than 5ns, which makes it suitable for applications in which high speed switching is required. The body size of this device is 5.7mm x 6.6mm and it is RoHS compliant.

The working principle of the SA45-E3/73 involves the use of the avalanche breakdown effect which occurs when the electric field inside the electron-hole region increases. This effect occurs when the applied reverse bias voltage reaches the breakdown voltage of the device. Once the breakdown region is established, the current rapidly increases in the reverse direction, allowing the device to clamp the voltage. This action helps in providing the desirable protection against transients.

The SA45-E3/73 is mainly used in automotive industries to provide protection against transients in the powertrain and infotainment systems. This device is also commonly used in consumer applications, such as consumer electronics products. It is also ideal for use in industrial applications including industrial computers and equipment.

Overall, the SA45-E3/73 is an ideal choice for the protection of circuits from voltage transients. It offers fast response times and high voltage clamps. It is suitable for many applications, including automotive, consumer and industrial. Its reliable and efficient operation makes it an excellent choice for circuit protection in a wide variety of systems.

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