SA90HE3/54

Voltage - Clamping (Max) @ Ipp:	160V
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:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	3.1A
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Breakdown (Min):	100V
Voltage - Reverse Standoff (Typ):	90V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

Transient Voltage Suppression (TVS) Diodes are the most common type of semiconductor component used for power applications. These devices are comprised of a conductive material that blocks or diverts transient voltages, making them one of the most effective solutions available for protection against surges in voltage. They can be used in series with components such as motors and capacitors, as well as in parallel with other components such as resistors and inductors.The SA90HE3/54 is a popular type of TVS diode which is designed for overvoltage protection of automotive and industrial circuits. It features a voltage clamping of 24V and can withstand up to 30A peak pulse current. Additionally, the device has a temperature rating of -40°C to +85°C, making it suitable for both low and high temperature applications.The working principle of the SA90HE3/54 is fairly straightforward. In the event of a transient voltage surge, the two diaphragms in the device come into contact, forming a low impedance bridge circuit. This creates a low impedance path for the transient voltage to travel along, thus protecting the circuit from the surge. As the surge dissipates, the diaphragms move back to their original positions, restoring the circuit to its normal mode of operation.The SA90HE3/54 is primarily used in automotive and industrial equipment. Its ability to effectively protect circuits against transient voltage surges makes it ideal for applications such as electric motors and relays, solenoids, switchgear, fuse panels, brake systems, and power supplies. It can also be used to protect circuit boards and other components that are sensitive to overvoltage conditions.In conclusion, the SA90HE3/54 is a reliable and efficient TVS diode that is widely used in automotive and industrial applications. It is capable of providing effective protection against transient voltage surges while still maintaining a high degree of electrical insulation. With its simple design and durable construction, it is a great choice for protecting circuits against overvoltage conditions.

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