The DTC123EU is an NPN type digital transistor manufactured by Rohm Semiconductor. It incorporates a bias resistor network into a single package, simplifying circuit design and reducing the number of external components. This transistor is suited for applications where board space is limited and design simplicity is important.

Applications

• Inverter Circuits
• Driver Circuits
• Digital Logic Circuits
• Switching Applications

Features

• Built-in bias resistors that reduce component count.
• Small surface mount package (SOT-323) saves board space.
• Low input current.
• High current transfer ratio.

Benefits

• Simplified circuit design.
• Reduced assembly costs.
• Compact footprint.
• Improved circuit reliability.

Additional Details

The DTC123EU features a resistor value of 2.2 kΩ (R1) and 10 kΩ (R2). It has a collector-emitter voltage (VCEO) of 50V and a collector current (IC) of 100mA. The power dissipation is typically 200mW. Its hFE (DC current gain) ranges from 56 to 180 which suits it for switching applications.

This digital transistor is ideal for general purpose amplification and switching. The integrated resistors remove the need for external biasing resistors. The device's low input current contributes to energy efficiency in portable devices. It is supplied in a SOT-323 package.