1SMB33AT3 Circuit Protection

Current - Peak Pulse (10/1000µs):	11.3A
Base Part Number:	1SMB
Supplier Device Package:	SMB
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	510pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Series:	--
Voltage - Clamping (Max) @ Ipp:	53.3V
Voltage - Breakdown (Min):	36.7V
Voltage - Reverse Standoff (Typ):	33V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Cut Tape (CT)

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TVS - Diodes

TVS (Transient Voltage Suppressor) diodes are an important electrical component that helps protect electronic systems from transient voltage spikes. They are designed to absorb high voltage swings in circuits subject to overvoltage transients, preventing damage to the system and ensuring stability. The 1SMB33AT3 is a TVS diode commonly used in automotive, industrial, and consumer applications.

Overview of the 1SMB33AT3

The 1SMB33AT3 is a high-performance diode that features bidirectional transient voltage suppression. It is encapsulated in a robust lead-free SMA package, which ensures performance and reliability. The 1SMB33AT3 works with an operating voltage of 6. 100 Volts and an unidirectional peak pulse power of 600W. It also features a standoff voltage of 5.8 Volts and a maximum clamping voltage of 13.8 Volts.

Applications of the 1SMB33AT3

The 1SMB33AT3 is a low-inductance diode that is suitable for a wide range of automotive, industrial, and consumer applications. It is commonly used in overvoltage protection of electro-optical systems, data lines, automotive wiring, and in all applications where there is susceptibility to transient spikes.

The Working Principle of the 1SMB33AT3

When subjected to overvoltage transients, the 1SMB33AT3, like all TVS diodes, will absorb the excess energy and limit it to a safe level. This is accomplished by using an avalanche breakdown process. As the applied voltage increases, the current through the diode increases exponentially, causing a rapid buildup of heat, which is dissipated as light. This phenomenon, known as The Zener effect, limits the voltage across the diode to a safe level. The 1SMB33AT3’s high-performance characteristics and robust construction make it suitable for a wide variety of applications. It is capable of handling high-voltage transients, reducing system downtime and disruption while providing reliable overvoltage protection.

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