TIP147

onsemi TIP147 Overview

The onsemi TIP147 is a high-performance power transistor that belongs to the family of Darlington transistors. It is designed to offer high current gain, low saturation voltage, and efficient performance in a variety of applications. This component is ideal for use in power amplification, switching applications, and audio amplification, where a high level of reliability and performance are required. The TIP147 is particularly suited for high-power systems due to its robust construction and thermal performance.

Key Features

* High Current Gain: As a Darlington transistor, the TIP147 offers an exceptionally high current gain, making it suitable for driving heavy loads with minimal input current.
* Low Saturation Voltage: The device provides low saturation voltage, ensuring efficient power conversion with minimal losses, which is crucial in power amplifier and motor control applications.
* High Power Handling: It is capable of handling high power levels, making it ideal for high-power audio amplifiers, motor control circuits, and other heavy-duty power applications.
* Thermal Stability: The TIP147 is designed with robust thermal performance in mind, featuring a maximum junction temperature of 150°C, ensuring reliable operation even in high-temperature environments.
* Easy to Use: This transistor is easy to integrate into circuits with standard power supply voltages, providing flexibility in design and implementation.

Applications

* Power Amplifiers: The TIP147 is commonly used in audio power amplifiers due to its high current handling capability and low distortion characteristics, which are essential for high-fidelity sound reproduction.
* Motor Control Circuits: Its high power handling and low saturation voltage make it ideal for driving motors in industrial automation and robotics.
* Switching Applications: The TIP147 is also used in power switches for various consumer and industrial applications, providing efficient control of current in power regulation systems.
* Linear Regulators: It can be used in linear voltage regulators where high output current and low noise are critical.
* High-Power Transistor Circuits: The TIP147 is employed in circuits requiring high power handling, such as in power supplies, lighting systems, and more.

Specifications

* Transistor Type: NPN Darlington Power Transistor
* Collector-Emitter Voltage (Vce): 80V
* Collector-Base Voltage (Vcb): 80V
* Emitter-Base Voltage (Vbe): 5V
* Collector Current (Ic): 16A
* DC Current Gain (hFE): 1000 (minimum)
* Saturation Voltage (Vce(sat)): 2V (at Ic = 8A)
* Base-Emitter Voltage (Vbe): 1.4V (typical)
* Total Power Dissipation (Ptot): 115W
* Junction Temperature (Tj): 150°C (maximum)
* Storage Temperature (Tstg): -65°C to +150°C
* Thermal Resistance (RthJC): 1.1°C/W (junction to case)

Electrical Characteristics

* Collector-Emitter Breakdown Voltage (Vceo): 80V
* Collector-Base Breakdown Voltage (Vcbo): 80V
* Emitter-Base Breakdown Voltage (Vebo): 5V
* Collector Current (Ic): 16A (maximum)
* Power Dissipation (Pd): 115W (typical)
* Switching Speed: The switching speed of the TIP147 is suitable for a variety of low to moderate frequency applications, though it is not optimized for high-frequency switching like high-speed transistors.
* Thermal Resistance (Junction to Case): The device has a junction-to-case thermal resistance of 1.1°C/W, which helps in efficiently managing heat dissipation during operation.

Thermal and Mechanical Characteristics

* Package Type: TO-220
* Mounting Style: Through-hole
* Maximum Junction Temperature: 150°C, ensuring stable operation in environments where heat is generated.
* Heatsink Compatibility: The TIP147 benefits from mounting with a heatsink for improved thermal dissipation, especially in high-current applications.
* Lead Length: The leads are designed to fit standard TO-220 package mounting in electronic circuits, providing flexibility in installation and assembly.

Advantages

* High Power Capability: The TIP147 can handle high power levels, making it suitable for demanding power applications such as audio amplification and motor control.
* Efficient Switching: The low saturation voltage minimizes energy loss during switching, improving overall system efficiency in power control applications.
* Thermal Management: With a high junction temperature rating and efficient thermal dissipation, the TIP147 offers reliable performance even in high-heat environments.
* Wide Range of Applications: The versatility of the TIP147 allows it to be used in a variety of systems, from consumer electronics to industrial machinery and automotive applications.
* Durability: The device's robust design ensures long-lasting reliability, making it suitable for both commercial and industrial environments that demand durability.

Conclusion

The onsemi TIP147 is a powerful and reliable NPN Darlington power transistor that offers high current gain, low saturation voltage, and efficient thermal performance. These characteristics make it ideal for use in high-power applications such as audio amplifiers, motor control circuits, and power regulation systems. With its excellent thermal stability, high power handling, and ease of use, the TIP147 is a versatile component that can be integrated into a wide variety of electronic designs. Whether used in consumer electronics or industrial systems, it provides long-term reliability and efficient performance under heavy loads.