The TIP127 from STMicroelectronics is a robust PNP power transistor designed for general purpose and switching applications. This device is a part of the TIP120 to TIP127 series, which are epitaxial-base transistors in a monolithic Darlington configuration. Its silicon epitaxial planar technology ensures reliable and consistent performance for a wide range of electronic circuits.

Key Features

• High Collector-Emitter Voltage: With a V<sub>CEO of -100V, the TIP127 can handle high voltage applications with ease, making it suitable for a variety of power and switching functions.
• High Collector Current: This transistor can manage a collector current of up to -5A, ensuring high power handling capabilities for demanding circuits.
• High Total Power Dissipation: With a power dissipation of 65W at 25°C, the TIP127 can sustain a significant amount of power, making it ideal for robust applications.
• High DC Current Gain: The device features a high h<sub>FE (DC current gain) of 1000 (minimum) at -3A, providing strong amplification characteristics.
• Complementary NPN Type: The TIP127 has a complementary NPN counterpart, the TIP122, allowing for flexibility in designing push-pull configurations.
• Monolithic Construction with Built-in Base-Emitter Shunt Resistors: This integrated feature provides exceptional temperature stability and enhances the overall reliability of the device.

Applications

The TIP127 is versatile and can be used in a variety of applications including:

• Power linear and switching applications
• Regulators
• Motor controls
• Audio amplifiers
• Power inverters
• Relay drivers

Package and Mounting

This device is encapsulated in a TO-220 plastic package, which is widely used for medium power applications and is well-suited for through-hole mounting. The package is designed for optimal heat dissipation and ease of installation.

For detailed specifications, datasheets, and technical support, visit the STMicroelectronics website or contact their customer support team. The TIP127 is a testament to STMicroelectronics' commitment to providing high-quality components for the electronics industry.