SMDA15C-4-2E3/TR13

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Transient Voltage Suppressor (TVS) diodes are an active component that is primarily used to protect sensitive electronics from over-voltage or over-current. The SMDA15C-4-2E3/TR13 is a dual-chamber TVS diode specifically designed to protect components in automotive and telecom applications from high-speed, high-energy pulse events. This article will discuss the application fields and working principle of the SMDA15C-4-2E3/TR13.

Application Fields of SMDA15C-4-2E3/TR13

The SMDA15C-4-2E3/TR13 is specifically designed for automotive and telecom applications where high-speed, high-energy pulse loads are present. Automotive applications include protection from load dump, inductive load switching, and short circuit conditions commonly found in automotive systems. Telecom applications include protection from lightning and static electricity which can be deadly and could disrupt services for extended periods. In these applications, the SMDA15C-4-2E3/TR13 is effective in suppressing high-speed, high-energy pulse events from damaging sensitive electronics.

Working Principle of SMDA15C-4-2E3/TR13

The SMDA15C-4-2E3/TR13 is a dual-chamber TVS diode specifically designed to mitigate high-speed, high-energy pulses. It consists of two concentric cylindrical cavities with a shared low-resistance junction between them. The movement of electrons and holes from the two types of media through this junction instantly create an active P-N blocking layer which then modifies the spectrum of the destructive transient event. The SMDA15C-4-2E3/TR13 then quickly deactivates the current and voltage in the protected circuit, thus providing robust protection for sensitive electronics.

The SMDA15C-4-2E3/TR13 also features an advanced surge handling & clipping capability, providing up to 15A peak surge current (>.5 ns). The device has an excellent clamping capability of 33 V at 4 A (8/20 microsecond pulses). The SMDA15C-4-2E3/TR13 also features a high capacity of power dissipation per element (200W / element), allowing the device to handle significant current pulses. In addition, the device features a low capacitance of 40pF, which reduces signal interference and allows for higher transmission speeds.

Conclusion

The SMDA15C-4-2E3/TR13 is a dual-chamber TVS diode specifically designed for automotive and telecom applications. It can effectively suppress high-speed, high-energy pulse events from damaging sensitive electronics. The device features a high capacity of power dissipation per element, a low capacitance of 40pF, and an excellent clamping capability of 33 V at 4 A. The SMDA15C-4-2E3/TR13 is an ideal choice for providing robust protection for automotive and telecom applications.

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