SM6T30A Circuit Protection

Current - Peak Pulse (10/1000µs):	75A (8/20µs)
Base Part Number:	SM6T
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
Series:	SM6T, TRANSIL™
Voltage - Clamping (Max) @ Ipp:	53.5V
Voltage - Breakdown (Min):	28.5V
Voltage - Reverse Standoff (Typ):	25.6V
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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SM6T30A TVS-Diodes Application and Working Principle

Transient Voltage Suppressors (TVS) diodes are widely used to protect electronic components from voltage spikes, and the SM6T30A is a type of TVS diode. This article explains the uses of the SM6T30A in different application settings and also delves into the working principles of TVS-diodes in general. The SM6T30A TVS diode is an unidirectional device that can be applied in various electronic devices and accessories. It is mainly used to protect semiconductors from electrostatic discharge (ESD) attacks, electro-magnetic interference (EMI) or over-voltage conditions. In particular, the device is designed to protect elements such as data lines, power supplies, display ports, and sound cards.The SM6T30A TVS diode is designed with a breakdown voltage rating between 30V and 40V, and it is a package component that features an Enhanced Low Capacitance Silicon Avalanche Diode (ELCSA-D). This type of diode can disperse huge amounts of energy and handle high peak currents. It also acts as a fast response and stable device, able to reduce the pulse waveform in only nanoseconds. The SM6T30A comes with a number of features including a small form factor, low leakage current, low capacitance, integrated electrostatic discharge protection, and high surge capability. The working of TVS diodes in general is based on their ability to redirect high voltage current towards a ground plane. A TVS-diode is essentially a pair of diodes connected in parallel with back-to-back configuration. The TVS diode is normally biased in the reverse blocking direction, so a high voltage will cause it to turn on into a low impedance path, allowing normal current to flow and dissipating the voltage spike through the ground plane.A transient voltage suppressor is typically used in a variety of applications, including communication systems, industrial control systems, automotive systems, or consumer electronics. It is also widely used to protect communication lines such as Ethernet cables or USB connections, or electronic circuits from potential damage due to voltage spikes.The SM6T30A TVS diode can also be used to protect high–voltage power supplies and power converters, or appliances like washing machines, refrigerators, and air conditioners. It can also be used to protect audio and video systems from interference caused by lightning strikes, electro-magnetic pulses, or other high-voltage impacting sources. The SM6T30A carries a variety of features, making it an ideal diode for protection and surge protection applications, while its small size and low capacitance provide additional advantages in applications where space and energy are at premium.In conclusion, the SM6T30A TVS diode is an effective transient voltage suppressor with a variety of features that make it suitable for use in a variety of applications and settings. Its integrated electrostatic discharge protection, small form factor, and high surge capability further enhance its suitability for protection applications.

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