The DTC144GK is an NPN type digital transistor manufactured by Rohm Semiconductor. It incorporates a bias resistor network into a single small package, which simplifies circuit design and lowers the external component count. These transistors are used in applications where board space is limited.

Applications

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

Features

• Built-in bias resistors to minimize external components.
• Small surface mount package (SOT-346) for space saving.
• Low input current.
• High current transfer ratio.

Benefits

• Simplifies circuit design with integrated resistors.
• Reduces assembly costs due to fewer external parts.
• Compact footprint ideal for miniature devices.
• Increases circuit reliability.

Additional Details

The DTC144GK has resistor values of 47 kΩ (R1) and 47 kΩ (R2). It has a collector-emitter voltage (VCEO) of 50V and a collector current (IC) of 100mA. The power dissipation is about 200mW. Its hFE (DC current gain) is between 30 and 120 and makes it useful in different switching circuits.

This digital transistor is designed for general purpose amplification and switching applications. The integrated resistors eliminate external biasing, decreasing component count and board space. The device's low input current also contributes to energy efficiency in battery-powered devices. It is available in a SOT-346 package.