SRA1050 C0G

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The SRA1050 C0G, also known as a general-purpose ultra-fast recovery diode, is widely used in a variety of applications including rectifiers, frequency multipliers, active rectification and TV field scan clamps. This device, which is part of the lineup of single-pack discretes offered by SeCoS, is a popular choice among circuit designers due to its high switching speed and high reverse leakage current.

The SRA1050 C0G is a single-phase rectifier, meaning it is capable of rectifying direct current up to a certain voltage, namely 50 V. It has a low junction capacitance and low forward voltage drop, making it suitable for applications requiring high frequency operation. Additionally, it has a soft recovery characteristic, with a fast switching speed, making it suitable for high frequency switching applications.

The SRA1050 C0G is characterized by its low reverse leakage current, which is typically less than 10A in an operating temperature range of -65 to +125C. This characteristic improves the reliability of the device, reducing the possibility of short circuits and flame retardant failures. It also increases the life cycles, making it a durable device for extended use.

The application fields of SRA1050 C0G mainly include rectification, frequency multipliers, active rectification, TV field scan clamps, as it has a fast switching speed and a high reverse leakage current. It is also suitable for high current and high frequency circuits, as its reverse leakage current is much lower than the forward current. Furthermore, its junction capacitance is lower than the forward current, making it suitable for high frequency operation.

The working principle of SRA1050 C0G can be described in a couple of steps. When the device is forward biased, the potential barrier at the junction is reduced, facilitating current conduction. Once the current reaches the breakover value, the junction is sufficiently ionized, resulting in a sharp increase in current. As the forward current increases, the junction capacitor starts to discharge, reducing the current exponentially. When the forward current reaches zero, the junction capacitor is fully discharged, and the reverse conduction starts. When the voltage reaches the peak inverse voltage, the junction is turned off and the current flow is reversed.

In summary, the SRA1050 C0G is a single-phase rectifier that is used in a variety of applications requiring high frequency operation. It has a low junction capacitance, fast switching speed and a low reverse leakage current, making it suitable for applications such as rectification, frequency multipliers, active rectification and TV field scan clamps. Its working principle involves initiating a forward current conduction, followed by a reverse conduction with a peak inverse voltage.

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