The DTA123ES is a PNP pre-biased transistor manufactured by Rohm Semiconductor. This transistor incorporates bias resistors within the package, thus simplifying circuit design by reducing the need for external components. It's suited for switching and amplification applications where space and component count are significant considerations.

Applications:

• Switching Circuits
• Inverter Circuits
• Amplification Circuits
• Level Shifters
• General-purpose switching

Features:

• Built-in bias resistors (R1 = 2.2kΩ, R2 = 47kΩ)
• Reduced component count
• Simplified circuit design
• Surface Mount Device (SMD)
• Compact SOT-346 (SC-59) Package

Benefits:

• Saves board space
• Lowers assembly costs
• Enhances circuit reliability
• Provides design flexibility
• Stable circuit performance

Additional Details:

The DTA123ES is housed in a small SOT-346 (SC-59) package. Its input resistor (R1) is 2.2 kΩ, and the resistor ratio (R2/R1) is approximately 21.36. The maximum collector current is rated at -100mA. The power dissipation is 200mW. The integrated bias resistors help ensure a stable bias point for the transistor. This transistor is often utilized in applications where space is limited and minimal external components are preferred. It's designed for low to medium current switching and amplification.