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Transistors - Bipolar (BJT) - Arrays, Pre-Biased

The PUMB9,125 is a 9-bit pre-biased array of NPN bipolar transistors. The PUMB9,125 has a nominal base current of 0.5 mA and a current gain of 2500 or higher. It is designed to operate in a range of VDD to VSS of 3.7V to 18V. Maximum collector-emitter voltage is 50V.

The PUMB9,125 is a current switched device, meaning that the base current flows into a resistor connected to the base terminals. When the voltage across the base terminals exceeds the collector-emitter voltage (Vce) the PUMB9,125 turns on, depending on the design, allowing current flow between the collector and emitter. When the voltage across the base terminals falls below the Vce, the device turns off and no current is allowed to flow.

The PUMB9,125 is primarily used in applications that require large amounts of current, such as LED lighting and motor control. It is also often used in automotive applications. It is a relatively low power device with low power dissipation and is lightweight, making it well suited for portable and embedded applications. Its pre-biased configuration allows for easy operation and low power consumption.

The PUMB9,125 offers several advantages over other discrete bipolar transistors. It is designed to operate over a wide range of supply voltages and can be used with low voltage, high voltage, and low current/high current signal sources. It provides better power utilization and performance than a traditional discrete transistor. It also offers better protection against shorts due to its pre-biased construction. Additionally, the PUMB9,125 is simpler to design, assemble and use.

In summary, the PUMB9,125 is a 9-bit pre-biased array of NPN bipolar transistors designed primarily for LED lighting and motor control applications. It offers several advantages over traditional discrete transistors, including improved power utilization and performance, pre-biased construction for better protection against shorts, and simpler design, assembly, and use.

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