STMicroelectronics TIP145T Darlington Transistor

The TIP145T is a silicon Epitaxial-Base Planar PNP transistor mounted in a monolithic Darlington configuration. It is manufactured and designed by STMicroelectronics, a global semiconductor leader known for its high-performance electronic components. This transistor is encapsulated in a TO-220 plastic package, which is a versatile and widely accepted package for medium power applications.

Key Features

• High Collector-Emitter Voltage: The TIP145T supports a collector-emitter voltage (Vceo) of up to 60V, making it suitable for a variety of applications that require high voltage parameters.
• High Collector Current: With a collector current (Ic) of up to -10A, the device can handle significant power, suitable for driving heavy loads.
• High DC Current Gain: The transistor has a high DC current gain (hFE) of 1000 at -3A, ensuring efficient current amplification in circuits.
• Complementary NPN Type: The TIP145T has a complementary NPN type, the TIP140T, providing flexibility in designing push-pull, complementary configurations.
• Monolithic Darlington Configuration: The integration of two transistors in a Darlington pair within a single package provides a high current gain while simplifying circuit design.
• Integrated Diode: The presence of an integral antiparallel diode across the collector-emitter enhances circuit safety by providing protection against inductive loads.

Applications

The TIP145T is designed for general-purpose amplification and low-speed switching. The device is commonly used in a wide range of applications such as:

• Linear and switching industrial equipment
• Power regulators and power amplifiers
• Motor control circuits
• Audio amplifiers
• DC-DC converters
• Automotive and relay drivers

With its robust construction and high performance, the TIP145T is a reliable choice for designers looking to implement a powerful PNP transistor in their electronic designs. STMicroelectronics' commitment to quality ensures that the TIP145T meets stringent industry standards for durability and reliability.