SR40100PT C0G

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Diodes - Rectifiers - Arrays provide a range of options for structuring and controlling electrical current. SR40100PT C0G is one such product, which is a dual, series-connected Schottky barrier rectifier provide a low forward voltage drop. It is especially suited for use in very fast switching AC-DC power supplies and can replace several individual Schottky diodes.

Application Field

The SR40100PT C0G device is a small, dual package, Schottky barrier rectifier, suitable for surface mount technology in applications where fast switching speeds, improved surge capability and low forward voltage drops are required. Typical applications for the SR40100PT C0G include DC–DC converters, automotive electronics, battery chargers, frequency doublers, voltage multipliers, power supply and control circuits, simple audio amplifiers and generally for any circuit that requires fast switching rectification.

Working Principle

The SR40100PT C0G diode comprises two series-connected Schottky diodes in a single chip, each with its own anode and cathode connections. The anode is the part of the diode that receives the forward voltage, while the cathode is the part of the diode that is connected to the ground. When the anode of the diode is forward biased, current starts to flow only when the applied forward voltage reaches its characteristic turn-on voltage. This threshold voltage varies depending on the temperature, with the figure being higher at lower temperatures. The on-state voltage of the diode is normally constant, but could again vary slightly depending on temperature. The reverse breakdown voltage (VBR), being the maximum voltage that the diode can be subject to before breakdown or failure occurs, is typically very low at less than 5V.

The SR40100PT C0G operates with low forward voltage (VF), which is the voltage drop between the anode and the cathode. The VF of the device is typically 2.3V at a current of 100mA, making it an ideal choice for applications that require a low forward voltage drop. The diode also has a very low reverse leakage current (IR or IRL) which is the current that flows through the diode when it is in reverse bias. In the SR40100PT C0G the reverse leakage current is typically 50nA at 25°C.

Summary

The SR40100PT C0G is a dual, series connected Schottky barrier rectifier designed for applications such as frequency doublers, voltage multipliers, DC–DC converters, battery chargers and other circuit requiring a fast switching rectifying device. SR40100PT C0G has a low VF, usually set at 2.3V and a low reverse leakage current of approx. 50nA. The SR40100PT C0G is a highly reliable device, built to withstand a range of harsh environmental conditions including temperature and vibration.

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