SMDA05C-4/TR13

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TVS - Diodes encompass an array of devices designed to protect circuits against electrostatic discharges (ESD) and surge protection. SMDA05C-4/TR13 is a member of such devices. This article will discuss the application field and working principle of the SMDA05C-4/TR13.

The SMDA05C-4/TR13 is used in industrial applications like automotive vehicle systems, motor controllers, aircrafts, machines, and home appliances. It is suitable for systems operating at 5V supply and ESD protection up to 15kV. It is designed to replace a suppressor diode with a small footprint and a maximum voltage drop of 1.6V at high current. The device has two variations and the TR13 variant has the typical breakdown voltage of 5.9V.

The SMDA05C-4/TR13 consists of a silicon PN junction diode, which forms a crucial part of all TVS diodes. This junction is employed to clamps the voltage of the system when it exceeds the breakdown voltage. When a high voltage transient pulse appears, the junction breaks down and conducts current which is dissiapated in the form heat. The typical dynamic resistance of this diode is 2Ω. This ensures the clamping voltage is maintained even when the transient pulse moves deep into conduction. The clamping voltage is minimized due to the low pulse overshoot.

The SMDA05C-4/TR13 provides superior industrial level surge protection compared to other suppressor diodes due to its small size and low voltage drop. Additionally, these devices offer low leakage current and have a low clamping voltage.The device has an operating temperature ranging from -40 C to +85C and various packages mostly for surface mount devices.

The SMDA05C-4/TR13 is a specialized device for industrial applications to provide ESD and surge protection. It offers a low leakage current and a lower voltage drop than other surge protection devices. It is suitable for industrial and home applications, and it can provide up to 15kV ESD protection. It also has various packages and a wide operating temperature range. Thus, it is an ideal device to be employed to provide protection against the damages arising due to electrical transients.

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