MD918B

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The MD918B is a NPN/PNP/DARL Bipolar Junction Transistor (BJT) Array designed for high voltage and high current applications. The specific characteristics of the MD918B make it an ideal choice for applications requiring operating voltages up to 1000V and operating currents up to 5A. The MD918B is a three-terminal device, with the drain and collector connected together and the base being the input for the device. The transistors are arranged in an array which allows for both series and parallel configurations.

The MD918B has many applications in high voltage and high current circuits. It is well suited for use as a power gain stage, an H-Bridge motor driver, and a power amplifier. The device can also be used in DC-DC converter applications where it can be used to step up or step down voltages and currents. The device is also useful in power switching applications such as relays, SCR triggering, and solid-state switch activation.

The working principle of the MD918B is based on the principle of bipolar diffusion. When a voltage is applied to the base of the device, a small current begins to flow through the PN junction. The current then diffuses through the base region and produces a larger current at the collector. The collector current is proportional to the base current, and this is how the device amplifies the signal at the collector.

The MD918B is a versatile device that can be used in a wide variety of applications. Its ability to operate in both series and parallel configurations makes it a great choice for many applications. Additionally, its high voltage and current capabilities make it suitable for use in high power applications. The device is also available in a variety of package sizes, allowing it to be used in tight spaces. Overall, the MD918B is a great choice for applications requiring high voltage and current operations.

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