SMBJ130A

Voltage - Clamping (Max) @ Ipp:	209V
Supplier Device Package:	SMB (DO-214AA)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	2.9A
Series:	SMBJ
Voltage - Breakdown (Min):	144V
Voltage - Reverse Standoff (Typ):	130V
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: SMBJ130A Application Field and Working Principle

The SMBJ130A is a Transient Voltage Suppression (TVS) diode, which is an important component in the electrical components industry. This diode is a bilateral voltage-dependent diode, meaning that the current flow in either direction is dependent on the voltage applied.TVS diodes are the most reliable sources of voltage suppression and are used in various applications. Most TVS diodes have the same construction and working principle as regular diodes, but are designed to absorb higher voltage surges without damaging the protected circuit. The SMBJ130A has been designed for the usage in medium power consumer, applications in telecommunications devices, automotive electronics and other medium power consumer electronics.The construction of an SMBJ130A is similar to that of a regular diode but has three layers instead of two. The first layer is the anode, the second is the cathode, and the third layer is the PN junction diode layer. The PN junction is the part that actually prevents the over-voltage from passing through the device. It acts as a barrier between the anode and the cathode and is designed to withstand high voltages. When external voltage is applied to the junction, it begins to conduct, allowing current to flow.The working principle of the SMBJ130A is simple but extremely effective. When the voltage across the junction reaches a certain threshold level, it changes polarity and the TVS diode begins to conduct, instantly limiting the applied voltage and providing overvoltage protection. In the case of the SMBJ130A, it has been designed to provide overvoltage protection up to 150V.The SMBJ130A is used in many applications, ranging from consumer electronics to industrial systems. The most common application of the SMBJ130A is in automotive electronics, where it is used to provide protection against overvoltage. It is also used in telecommunications, computers, and video equipment.In summary, the SMBJ130A is a TVS diode designed to provide overvoltage protection in medium power consumer electronics applications. It consists of three layers, the anode, the cathode, and the PN junction which is designed to prevent overvoltage by changing its polarity when the voltage reaches a certain threshold. It has wide range of applications which include automotive electronics, telecommunications, computers, and video equipment.

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