SA18A-E3/54

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 & Reel (TR)

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The SA18A-E3/54 Transient Voltage Suppressor Diode is an important part of the TVS diode family. This device is designed to provide protection against voltage transients that can cause electrical overstress (EOS) to sensitive semiconductor components such as microcontrollers, FPGAs, and processors. This particular member of the TVS family offers an efficient way of tackling electrical overstress problems while still allowing components to operate safely in their normal operating parameters. This diode utilizes a Rectifier configuration in order to allow for a greater level of protection than is provided by other diode types. This protection comes from the ability of the Rectifier to clamp the voltage applied to the device to a fixed voltage level. This ensures that the device will not be damaged by any transients or surges that are sent its way. The SA18A-E3/54 is designed to be used in applications such as automotive, consumer electronics, industrial, and medical devices. In these types of applications, the diode will help to protect against voltage transients and surges that can sometimes damage sensitive semiconductor components. The design of this particular diode also makes it possible for it to operate in both AC and DC applications with low levels of stress. The working principle of the SA18A-E3/54 is fairly straightforward. It is essentially designed to clamp any applied voltages to a fixed level. It does this by utilizing a Shottky diode and a resistive element. The Shottky diode provides the device with the ability to dissipate any voltage transients or surges that are sent its way while the resistive element helps to limit the current that passes through the device. This ensures that sensitive components are protected from any voltage transients or surges that may be present in the circuitry.In summary, the SA18A-E3/54 is an important member of the TVS diode family and is designed to provide protection against voltage transients and surges that are present in the circuitry. It utilizes a Rectifier configuration in order to provide maximum protection from any applied transients and can operate in both AC and DC applications with low levels of stress. The working principle of this device is fairly straightforward and is based upon the principles of Shottky diode and resistive elements which help to limit current and dissipate any harmful voltage transients. This device is designed to be used in a wide variety of applications including automotive, consumer electronics, industrial, and medical devices.

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