SMBJ22C

Voltage - Clamping (Max) @ Ipp:	37.28V
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):	16.9A
Series:	SMBJ
Voltage - Breakdown (Min):	23.09V
Voltage - Reverse Standoff (Typ):	22V
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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The SMBJ22C is a type of Transient Voltage Suppressor (TVS) diode that is used to protect electrical circuits from excessive voltage, transients and other disturbances. It is a unidirectional device, meaning that the voltage can only flow in one direction, and it operates by clamping the voltage below a certain threshold. This makes it ideal for applications which require surge protection, such as computer equipment and electrical lines.The SMBJ22C is a surface-mount component that is made up of two components, the Zener diode and the thyristor. The Zener diode works as a voltage limiter, while the thyristor acts as a switch, allowing current to flow when the voltage exceeds the specified threshold. The device can be used in multiple configurations, depending on the application. The Zener diode works by limiting the peak voltage that is passed through it. It is designed to break down when the specified voltage is reached. This allows it to conduct current, limiting the voltage to the specified level. The thyristor, on the other hand, acts as a switch that is triggered when the voltage exceeds the specified level. It then switches off the power supply and prevents further damage to the circuit.The SMBJ22C is able to provide excellent protection up to 1.5 kilovolts and has a current rating of up to 22 amperes, making it suitable for many applications.One of the most common applications for the SMBJ22C is the protection of mobile devices such as cell phones, tablets, and laptops. This is because it is able to provide protection from voltage spikes that can occur when charging or when the device is dropping off the frequency of a particular network. It is also used in a variety of other applications such as industrial machinery, lighting, and data centers.The working principle of SMBJ22C is relatively simple. When the voltage exceeds the pre-determined threshold level, the Zener diode breaks down, allowing current to flow and limiting the voltage. At the same time, the thyristor switches on, cutting off the power supply and preventing damage to the protected circuit.In conclusion, the SMBJ22C is a type of TVS diode that is used in a wide variety of applications to protect circuits from excessive voltage, transients, and other disturbances. It is designed to operate by clamping the voltage below a certain threshold, making it ideal for applications that require surge protection. The Zener diode that is part of the SMBJ22C is designed to break down when a certain voltage is reached, allowing current to flow and limiting the voltage. The thyristor, on the other hand, acts as a switch and ensures that the power supply is cut off should the voltage exceed the pre-determined threshold.

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