Voltage - Clamping (Max) @ Ipp:	72.7V
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
Current - Peak Pulse (10/1000µs):	5.5A
Series:	SMAJ
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
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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TVS - Diodes

A Transient Voltage Suppressor (TVS) diode is an electronic component designed to protect sensitive circuits from high-voltage transients and power surges. The SMAJ45A M2G device is an example of a TVS diode. This article will discuss the application field and working principle of this device.The SMAJ45A M2G is an unidirectional voltage clamping device. It is typically used to protect integrated circuits, computer systems, and other electronic equipment from transient voltage surges. The device features low capacitance and fast response time, making it suitable for high-speed data lines. Its working voltage range is from 4.5 to 30 V, and its maximum stand-off voltage is 45 V.The primary purpose of the SMAJ45A M2G is to protect against electrical transients such as electrostatic discharge (ESD). It is also designed to reduce the effects of other power surges on sensitive circuits. These power surges can be caused by lightning strikes, malfunctions in connected equipment, and even switching of large electrical loads. The SMAJ45A M2G prevents these surges from damaging the connected circuits by temporarily increasing its own resistance and thus limiting the surge current.The SMAJ45A M2G works by utilizing the intrinsic capacitance characteristics of semiconductor junctions. A voltage polarity across the SMAJ45A M2G junction results in electrons from the P-type material being attracted to the N-type material. As the voltage increase, the junction capacitance increases linearly until the breakdown voltage is reached. At this point, the capacitance of the junction decreases abruptly, allowing a sudden flow of current to reduce the voltage across the junction to its original value. As the surge current passes through the SMAJ45A M2G, the device dissipates the energy in the form of heat.The SMAJ45A M2G has a variety of applications in both consumer and industrial electronics. It is often used to protect sensitive components, circuit boards, and other equipment against power surges. In addition, TVS diodes such as the SMAJ45A M2G are often used in automotive electronics, telecommunications, and medical devices. The diodes can also be used to protect against radio frequency interference (RFI) and electromagnetic interference (EMI).In summary, the SMAJ45A M2G is a unidirectional voltage clamping device that is designed to protect against electrical transients such as ESD and power surges. It utilizes the intrinsic capacitance characteristics of semiconductor junctions to reduce the effects of surges on sensitive circuits. The SMAJ45A M2G has various applications in consumer and industrial electronics, including automotive electronics, telecommunications, and medical devices. It is also used to protect against RFI and EMI.

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