SMDA15C-8/TR7 Circuit Protection

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TVS (Transient Voltage Suppressor) diodes, sometimes know as “avalanche” diodes, are specialized diodes designed to protect components from surge voltages and longitudinal or transverse voltages. The SMDA15C-8/TR7 (Transient Voltage Suppressor) application field and working principle is particularly important to be aware of when designing or troubleshooting a system that is exposed to such electrical disturbances prior to the power supply systems.

The SMDA15C-8/TR7 diodeis an ultra-low capacitance, bidirectional transient voltage suppressor diode designed for use in TVS (Transient Voltage Suppressor) applications. This diode features a high surge current handling capability, low peak pulse power dissipation, and fast response time. The device comes in an 8-lead Dual Flat No-Lead (DFN) package, ideal for space-constrained applications. The SMDA15C-8/TR7 diode is suitable for a variety of applications, including automotive, consumer electronics, industrial, and telecom/datacom systems.

The working principle of the SMDA15C-8/TR7 diode is based on its ability to absorb a variety of overvoltage and transient voltage conditions, thereby suppressing further voltage increases. The diode utilizes a forward peak voltage rating to define its surge peak rectification capability and a reverse stand-off voltage rating which specifies the maximum reverse voltage that the device can withstand. It is also equipped with a reverse breakdown voltage rating in order to ensure that the device can contain high voltage transients that occur. The SMDA15C-8/TR7 diode is designed to protect the system from the Joule heating effects caused by the overvoltage conditions, enabling the system to run for an extended period of time.

The device\'s reverse voltage breakdown occurs when the current through the device increases to the level of current necessary for the junction to break down. When the forward voltage is increased, the device will instantly start to absorb the excess energy generated by the surge, which in turn reduces the effectiveness of the surge. It is designed to absorb high energy transients, such as ESD (electrostatic discharge) events, power surges, and inductive switching, and provide an RCD clamp for protecting the system against these dangerous voltage transients. In addition, the diode is also capable of providing protection for a system that experiences a long duration low voltage power disruption.

In addition to protecting the system against transient voltage and ESD events, the SMDA15C-8/TR7 diode also provides protection from the higher ambient temperatures that occur in the industrial sector. The device features an operating temperature range from -55°C to 125°C. It also offers a long storage period of up to 1000 hours without an increase in leakage current. The device also provides a high level of mechanical reliability during shock and vibration-induced stress. These features make it suitable for use in industrial applications including automotive, consumer electronics, and industrial and telecom datasheet systems.

The SMDA15C-8/TR7 diode is a reliable and robust protective device that is designed to help protect systems from overvoltage transients. The device offers excellent protection from a variety of transient voltage conditions, including ESD, power surges, and inductive switching. It also provides protection from a long duration low voltage power disruption. It offers a wide operating temperature range, high levels of mechanical reliability, and long storage periods. The SMDA15C-8/TR7 diode is an ideal choice for TVS (Transient Voltage Suppressor) applications, providing a reliable and robust solution for a variety of system protection needs.

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