DTC123YUA-HF High-Speed Switching Transistor – TO-220 Package

DTC123YUA-HF Overview

The DTC123YUA-HF is a high-frequency dual transistor optimized for switching and amplification in industrial and consumer electronics applications. Featuring a complementary NPN and PNP transistor pair within a single package, it supports efficient signal processing with minimal power loss. Designed for robust performance, this device offers low noise and high gain, making it ideal for linear and switching circuits. The compact SOT-363 surface-mount package facilitates easy integration into compact PCB layouts. Available through IC Manufacturer, the DTC123YUA-HF delivers reliable operation in demanding environments, supporting engineers and sourcing specialists in developing efficient electronic designs.

DTC123YUA-HF Technical Specifications

DTC123YUA-HF Key Features

• Complementary Dual Transistor Pair: Integrates an NPN and PNP transistor in a single compact package, enabling simplified circuit design and reducing PCB footprint.
• High Transition Frequency: With 100 MHz cutoff frequency, it supports high-speed switching applications, improving overall circuit responsiveness.
• Wide Operating Voltage and Current Range: Rated for 50 V collector-emitter voltage and 100 mA collector current, suitable for a variety of industrial control and amplification tasks.
• Low Power Dissipation: The 250 mW power rating ensures efficient thermal management, enhancing reliability in compact and densely packed designs.

DTC123YUA-HF Advantages vs Typical Alternatives

This dual transistor device offers superior integration by combining complementary transistors into a single SOT-363 package, reducing component count and improving PCB space utilization. Its high transition frequency and wide voltage range provide better switching performance and flexibility compared to discrete transistor solutions. Additionally, the low power dissipation enhances thermal stability, making it a reliable choice for demanding industrial environments.

Typical Applications

• Signal amplification and switching in portable and industrial electronics, benefiting from the complementary transistor pair for push-pull amplifier designs and efficient switching stages.
• High-frequency oscillator circuits where fast switching and low noise are critical for stable operation.
• Driver stages in relay and sensor interface circuits requiring moderate current handling and voltage tolerance.
• General-purpose amplification in audio circuits and small-signal processing within compact electronic modules.

DTC123YUA-HF Brand Info

The DTC123YUA-HF is part of a family of high-performance dual transistors offered by a leading semiconductor manufacturer specializing in discrete and integrated devices. This product line is designed to meet the rigorous demands of modern electronics engineering, combining robust electrical characteristics with a small form factor. Backed by comprehensive quality control and extensive application support, the device ensures consistent performance and reliability across various industrial and commercial applications.

FAQ

What is the maximum collector current rating for the DTC123YUA-HF?

The maximum collector current is rated at 100 mA for both the NPN and PNP transistors within the device. This allows it to handle moderate current levels typical in signal amplification and switching applications without risk of damage.

Can this device operate at high frequencies?

Yes, the device supports a transition frequency (f_T) of approximately 100 MHz, making it suitable for high-frequency switching and amplification tasks in RF and fast signal circuits.

What package type does the DTC123YUA-HF come in?

It is supplied in a compact SOT-363 surface-mount package, which is efficient