SMBJ350CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	567V
Supplier Device Package:	DO-214AA (SMBJ)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	1.1A
Series:	SMBJ
Voltage - Breakdown (Min):	391V
Voltage - Reverse Standoff (Typ):	350V
Bidirectional 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 have many useful applications and uses. The SMBJ350CA is a great example. This device is often used in portable electronic devices such as phones, tablets, and other hand-held devices. It is also used in automotive applications to protect sensitive components and sub-systems from electrostatic and other electrostatic discharges.The SMBJ350CA is a unidirectional TVS diode that has a 350W peak pulse power rating. This device is designed to be used in a wide range of voltage applications. It has an operating breakdown voltage of 180V and a peak pulse power up to 1000W at 8/20 µs waveform. This device is also designed to have a holding voltage down to 55V.This TVS diode uses a bidirectional protection technique. This means that the diode is designed to protect the device by diverting the surge current away from the protected node and then dissipate the energy as heat. This technique helps protect the electronic device against overvoltage, overcurrent, and short-circuit damage.The operational principle of this diode is based on the PN junction of a forward-biased diode. This means that when there is a voltage difference between the anode and the cathode, the diode will become forward biased. This means that current can flow in either direction. When the voltage across the diode exceeds a certain value, it will become reverse biased and will not allow current to flow. This action reduces the risk of overvoltage damage to the device. This diode also has a very fast response time. When the voltage across the diode is greater than the breakdown voltage of the device, the current that is flowing through the diode will instantaneously trigger a high breakdown voltage that will protect the components of the device. This fast response time ensures that the device is not exposed to damage due to an overvoltage spike.The device also has a low capacitance, meaning that it has a small amount of current leakage. This helps to reduce any further overvoltage damage caused by overvoltage spikes. It also has a high storage capacitance, meaning that it can store a high amount of energy in a short amount of time, allowing the device to be protected from the overvoltage spike.In conclusion, the SMBJ350CA is a very versatile device and is used in a variety of applications. In addition to protecting against overvoltage and other electrostatic discharges, this diode is also very useful in protecting sensitive electronic components and sub-systems. This diode has a fast response time and low capacitance, making it a great tool for protecting electronic devices.

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