SMDA12C-7E3/TR13

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TVS Diodes are devices designed to protect electronic circuits from voltage spikes, electrostatic discharge (ESD), lightning-induced surges, or any other induced high voltage. The SMDA12C-7E3/TR13 from STMicroelectronics is an example of a TVS diode, and this article will discuss its application field and working principle.

The SMDA12C-7E3/TR13 is fabricated in STMicroelectronics’ SMD technology, and the component features dual-channel Bidirectional ESD protection. This component also integrates ‘low-capacitance’ diodes, and it is designed to absorb up to 12A of short duration current (8/20μs pulse) while operating at a voltage up to 21V. It has an operating temperature range from -55 to +175°C and a storage temperature range from -55 to +200°C, and it is compliant with ROHS and WEEE standards.

The initial field of application of the SMDA12C-7E3/TR13 is consumer, automotive and industrial Connectivity applications. The first area of application is in consumer and industrial Connectivity such as ;USB, USB type C, and USB PD systems.,DisplayPort, HDMI, DisplayPort secure, DVI , MHL and SXL connectors ,protected test & measurement equipment, cable protection and low-voltage memory cards, as well as power transmission, TVS isolation, and ESD immunity protection. Additionally, the SMDA12C-7E3/TR13 can be used in automotive applications such as automotive connection systems, automotive infotainment systems, and HMI systems.

The key factor that differentiates this TVS diode from any other similar components is its low capacitance < 30pF, that ensures compliance with ESD standards. That is the reason why it is suitable for protected test & measurement equipment, as well as power transmission and TVS isolation applications.

The SMDA12C-7E3/TR13 is based on a unique design, which ensures that the diode is able to absorb high peak surge current and protect the load, while operating at a maximum voltage of 21V. Furthermore, the device is also able to suppress damaging voltage bursts and provide ESD immunity.

Moreover, the diode has low power consumption, which ensures that it does not affect the functionality or efficiency of the circuit, while still protecting it from any transient surges or spikes. Finally, the diode has a low inductance and very low clamping voltage, which helps to ensure that it is able to efficiently protect the circuit from any kind of overvoltage event.

The working principle of the SMDA12C-7E3/TR13 is fairly straightforward. The diode is designed to absorb high peak surge current and protect the load, while operating at a maximum voltage of 21V. When a voltage surge or spike is detected, the diode conducts current in order to redirect and dissipate the energy. This ensures that the voltage at the output of the diode remains within the safe operating range, protecting any components in the circuit from damage.

The SMDA12C-7E3/TR13 from STMicroelectronics is a perfect choice for a variety of consumer, automotive and industrial connectivity applications, due to its low capacitance, low power consumption, and low clamping voltage. The diode works by absorbing high peak surge current and protecting the load, while operating at a maximum voltage of 21V. The diode helps to protect the circuit, while still ensuring that it maintains its intended functionality.

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