TVS328SM Circuit Protection

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	28V
Voltage - Breakdown (Min):	30.7V
Voltage - Clamping (Max) @ Ipp:	46V
Current - Peak Pulse (10/1000µs):	3.2A (8/20µs)
Power - Peak Pulse:	150W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-65°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SQ-MELF, A
Supplier Device Package:	A-MELF

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<div><p>The TVS328SM is an ESD and surge switch, an important component in protecting electronic devices from electrostatic discharge (ESD), lighting, surges, and other transient voltage events. It uses an advanced active circuit to detect and divert transients from passing through the connected device.</p><p>The TVS328SM is part of the TVS (transient voltage suppression) diode family. It has an operating voltage range of 5.9 to 50 volts, a leakage current of 0.01mA or less, and a clamping voltage of 8.3 volts at 8 amps. It is a very reliable, efficient, and low-cost switch for protecting a wide variety of electronic devices.</p><p>The TVS328SM Application Field</p><p>The TVS328SM is designed to protect electronic circuits and equipment from ESD, lightning, surges, EFT, and other transient voltage events. It is ideal for use in a wide range of applications, including:</p><ul><li>Computers, laptops, and other consumer electronics</li><li>Industrial and automotive electronics</li><li>Communications networks and components</li><li>High power electronics, such as power supplies</li><li>Medical equipment and instrumentation</li></ul><p>The TVS328SM Working Principle</p><p>The TVS328SM is a bifurcated switch with an “AC coupled” design. When the device is subjected to a fast transient, the device will redirect it away from the connected device.</p><p>As the transient peaks, the voltage across the transient voltage suppressor activates an internal circuit which instantly shorts the transient to ground. This action, in turn, clamps the peak voltage. The capacitor then gradually charges up, the effect of which is that does not allow the device to clamp the transient in subsequent peak current. This prevents the device from becoming damaged.</p><p>The TVS328S also has a very low power consumption. This makes it ideal for use in devices, such as laptops, where low power consumption is a major design consideration.</p><p>Conclusion</p><p>The TVS328SM is a reliable and cost-effective ESD and surge switch that can protect a variety of electronic devices from ESD, lightning, surges, EFT, and other transient voltage events. It is designed for use in computers, laptops, industrial and automotive electronics, communications networks, power supplies, medical equipment and instrumentation, and many other electronic devices. The advanced active circuit of the TVS328SM instantly detects and diverts transients away from the connected device, while its very low power consumption makes it a good choice for applications with power constraints.</p></div>

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