SMBJ28C-E3/52

Current - Peak Pulse (10/1000µs):	12A
Base Part Number:	SMBJ
Supplier Device Package:	DO-214AA (SMBJ)
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
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	50V
Voltage - Breakdown (Min):	31.1V
Voltage - Reverse Standoff (Typ):	28V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

The SMBJ28C-E3/52 is a form of Transient Voltage Suppression Diode (TVS) which is widely used to protect sensitive electronic components from the damaging effects of short, high voltage transients. TVS diodes are designed to detect and absorb transients, protecting the equipment from the higher voltage components of overvoltage transients. They are also known as surge arresters, overvoltage clamps, and voltage clamp devices.

Application Field

TVS diodes, such as the SMBJ28C-E3/52, can be found in a variety of application fields. They are used in automotive, industrial, telecommunication, consumer electronics, and many other sectors. One of the most common applications of the SMBJ28C-E3/52 is in the protection of audio systems and loudspeakers against high-voltage transients, which can damage sensitive components and disrupt their performance. TVS diodes can also be used to protect circuit boards, connectors, and other sensitive electronics from short-term power spikes. They are commonly used in automotive, industrial, and telecommunication equipment to protect against induced transients caused by lightning strikes and similar events.

Working Principle

TVS diodes work by detecting and rapidly responding to overvoltage levels. When triggered by an overvoltage transient, the device\'s reverse breakdown voltage is activated and clamps the transient to a safe, reduced voltage. This reduces the severity of the transient and prevents it from damaging sensitive components. The SMBJ28C-E3/52 is a unidirectional TVS diode with an Ultra Fast response time and a stand-off voltage of 28V. It is capable of handling high surge currents and can protect electronic components from impulses up to 400W. It features low resistance and a fast response time to suppress transients and minimise the impact of short-term power spikes.

Conclusion

The SMBJ28C-E3/52 is a unidirectional Transient Voltage Suppression Diode (TVS), designed for use in a wide range of applications. It protects electronic components and circuit boards from damage caused by overvoltage transients and short-term power spikes. Its fast response time and low resistance make it ideal for use in audio systems, loudspeakers, automotive electronics, industrial equipment, and telecommunication equipment.

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