SMDA15C-8E3/TR7

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TVS - Diodes are an essential part of electrical circuits and electronic systems, particularly those with high frequencies, because they serve to protect against electrical transients such as voltage spikes, ESD (electrostatic discharger) and other overvoltage conditions. The SMDA15C-8E3/TR7 is an example of this type of device.

The SMDA15C-8E3/TR7 is a 15V TVS (transient voltage suppressor) with an 8V ESD clamping voltage. It is designed to protect circuits from transients and ESD strikes, and can survive high levels of power surges up to 3.75A. It is constructed using a dual diode and optionally terminated with a radial lead. The device features an 8.3V ESD clamping voltage, allowing it to effectively protect circuits up to 15V.

In order to understand the working principle of the SMDA15C-8E3/TR7, it is first necessary to understand the basic circuit configuration of the device. The device comprises two diodes connected in series, with one diode developed across the ESD-protected line and one diode developed across the power supply. The two diodes act as a zener diode, protecting the circuit against overvoltages. When an overvoltage occurs, the zener diode begins to conduct and limits the voltage across the line to the specified value.

The SMDA15C-8E3/TR7 is primarily used in a wide range of applications, including microcontrollers, low power logic, ground and power supplies protection, and overvoltage protection. It is suitable for applications operating at frequencies up to 10GHz, and its relatively low capacitance enables it to be used in high frequency circuits.

The device also has applications in the automotive and industrial sectors. In vehicle applications it can be used to protect the system from voltage spikes caused by high voltage alternators or electric power steering motors. In industrial applications the device is used to protect equipment and control systems from the damaging effects of ESD and other environmental transients.

The SMDA15C-8E3/TR7 is a versatile and reliable device, providing effective protection against electrical transients, ESD, and other overvoltage conditions. Its combination of high surge capability, low capacitance, and wide ESD protection make it a suitable choice for a wide range of applications.

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