The DTA115TK is a PNP type digital transistor manufactured by Rohm Semiconductor. It integrates a bias resistor network into a single package, which simplifies circuit design and reduces the number of external components required. This transistor is commonly used in applications where space is limited and ease of use is paramount.

Applications

• Inverter Circuits
• Driver Circuits
• Digital Logic Circuits
• Switching Circuits for general use

Features

• Built-in bias resistors enable a reduction in parts count.
• Small surface mount package (SOT-346) saves board space.
• Low input current.
• High current transfer ratio.

Benefits

• Simplified circuit design due to integrated resistors.
• Reduced component count leads to lower assembly costs.
• Smaller footprint ideal for compact devices.
• Improved circuit reliability due to fewer external connections.

Additional Details

The DTA115TK features a resistor value of 10 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) is between 68 and 270 which makes it suitable for many switching applications.

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