Series:	EMIClamp®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Clamping:	--
Technology:	Mixed Technology
Number of Circuits:	1
Applications:	General Purpose
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Supplier Device Package:	SOT-23-6

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ECLAMP2122S.TCT application field and working principle

The ECLAMP2122S.TCT is a type of Transient Voltage Suppression (TVS) or Mixed Technology TVS product. This device mainly consists of a voltage surge suppression structure and very low off-state leakage current. It strikes a balance between suppressing high voltage transients and preventing system damage while offering tight control of system operation.The ECLAMP2122S.TCT can be used in a variety of applications where protection from high voltage transients is necessary. Some applications include semiconductors, smart meters, medical instruments, PC motherboards, telecommunication equipment, and any other electronic device that may represent a risk of high voltage transients.The ECLAMP2122S.TCT consists of two major components: the ECLAMP transistor and the reverse conductive diode SCR. The ECLAMP transistor is located at the gate of the device and provides a fast response in clamping transients. The reverse conductive diode SCR is located beneath the device\'s gate which serves as an electrical break when surge current passes through the device.The ECLAMP2122S.TCT offers multiple benefits for applications that need to suppress high voltage surges. First, it has a very low on-resistance which allows it to provide a solid clamping level that can be adjusted as needed. Additionally, this low on-resistance helps to significantly reduce power consumption by the TVS device. Finally, this device is a reverse conductive SCR, which enables the device to switch rapidly under high current conditions.The benefits of using the ECLAMP2122S.TCT for high voltage surge protection come with certain challenges, however. This device experiences thermal runaway when it is exposed to large voltages for a significant amount of time. This is due to the fact that the device experiences temperature rise as the voltage increases. To avoid this, the ECLAMP2122S.TCT can be implemented with a short duration voltage threshold limit or a fail-safe current limit.In summary, the ECLAMP2122S.TCT is a type of Transient Voltage Suppression (TVS) or Mixed Technology TVS product. It is used in a variety of applications where protection from high voltage transients is necessary. This device consists of two major components: an ECLAMP transistor and a reverse conductive diode SCR. This device offers multiple benefits for applications where surge protection is needed, but can also experience thermal runaway if exposed to large voltages for a prolonged time. Careful consideration must be taken to ensure the device is properly used.

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