SMAJ8.0A-E3/61

Current - Peak Pulse (10/1000µs):	29.4A
Base Part Number:	SMAJ
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	13.6V
Voltage - Breakdown (Min):	8.89V
Voltage - Reverse Standoff (Typ):	8V
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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SMAJ8.0A-E3/61 Application Field and Working PrincipleSMAJ8.0A-E3/61 is a type of TVS diode, which stands for Transient Voltage Suppressor. This device is used primarily to protect sensitive electronic components from electrical voltage spikes. It is a kind of semiconductor device that is used to limit the amount of voltage that is applied to an electronic circuit. The device is designed to absorb the excess electrical energy and then dissipate it as and when needed, thus preventing any damage to the component from an unexpected voltage.The SMAJ8.0A-E3/61 is especially useful in reliability-critical applications such as automotive electronics, where an unexpected surge could lead to a component failure. The device is designed to operate quickly and without needing any external components. It can also react in as little as 1 nanosecond when faced with a surge.The SMAJ8.0A-E3/61 is designed for low-capacitance ESD and lightning protection applications. It has an operating temperature range from -55°C to +150°C, and can handle power spikes up to 15kV peak. The device also has a breakover voltage of 7.5 to 12.5 volts, depending on the level of surge protection needed. The working principle of a SMAJ8.0A-E3/61 is fairly simple. When the voltage across the device is low, the diode allows a current flow. When the voltage increases, the current decreases as the diode restricts the amount of current. Once the voltage reaches a certain predetermined point, the diode "breaks down" and allows a large current to flow which instantly dissipates the voltage spike. This action prevents any damage to electronics components due to voltage spikes.The TVS diode also has two types of response time: the "Quick" response time and the "Slow" response time. The Quick response time is usually shorter than 1 nanosecond, and the Slow response time generally takes a few milliseconds. The type of response time needed depends on the application, as some circuits may need the quick response time while others may need the slow response time.In conclusion, SMAJ8.0A-E3/61 is designed for ESD and lightning protection applications, and is particularly useful for automotive electronics. The device operates quickly and without any external components, and can absorb power spikes up to 15kV peak. It has two types of response time, Quick and Slow, which can be adjusted according to the application.

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