Overview
The TIP2955 is a PNP high power transistor manufactured by STMicroelectronics. It is designed using epitaxial-base planar technology, making it suitable for various applications including audio amplification, power linear, and switching circuits. The transistor is housed in a TO-247 package, which is a heavy-duty, through-hole package that allows for direct mounting to a large aluminum heatsink to enhance heat dissipation. With a power rating of 90W and a maximum collector current of 1.5A, the TIP2955 is a robust solution for high-power electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (Vceo) | 60 | V |
| Collector-Base Voltage (Vcbo) | 100 | V |
| Collector Current (Ic) | 1.5 | A |
| DC Current Gain (hfe) | 20-70 @ 4000mA | |
| Power Dissipation (Ptot) | 90 | W |
| Current-Gain-Bandwidth (ftotal) | 2.5MHz | |
| Operating Temperature | -55 to 150 | °C |
| Package | TO-247-3 | |
| Vce Saturation (Max) @ Ib, Ic | 3V @ 3.3A, 10A |
Key Features
- Low Collector-Emitter Saturation Voltage: Enhances the device's versatility and efficiency in circuit designs.
- High Power Rating: With a power dissipation of 90W, it is suitable for high-power applications.
- Complementary NPN Transistor: The TIP3055 is the complementary NPN transistor, allowing for balanced performance in dual-transistor circuits.
- Robust Package: Housed in a TO-247 package, which provides excellent thermal properties and mechanical resilience.
- Thermal Resilience: Can operate up to 150°C junction temperature, ensuring reliability in demanding thermal conditions.
Applications
- Audio Amplification: Frequently used in high-fidelity audio systems to achieve signal amplification with minimal distortion.
- Power Supply Circuits: Suitable for power supply circuits and voltage or current regulators due to its ability to maintain steady output under fluctuating input conditions.
- Power Switching Circuits: Excels in power-switching circuits by efficiently handling current loads in settings with changing demands.
- General-Purpose Electronic Circuits: Used in various general-purpose electronic circuits where high current handling and thermal resilience are required.
Q & A
- What is the collector-emitter voltage (Vceo) of the TIP2955 transistor?
The collector-emitter voltage (Vceo) of the TIP2955 transistor is 60V.
- What is the maximum collector current (Ic) of the TIP2955 transistor?
The maximum collector current (Ic) of the TIP2955 transistor is 1.5A.
- What is the power dissipation (Ptot) of the TIP2955 transistor?
The power dissipation (Ptot) of the TIP2955 transistor is 90W.
- What is the operating temperature range of the TIP2955 transistor?
The operating temperature range of the TIP2955 transistor is -55 to 150°C.
- What package type is the TIP2955 transistor housed in?
The TIP2955 transistor is housed in a TO-247-3 package.
- What are some common applications of the TIP2955 transistor?
The TIP2955 transistor is commonly used in audio amplification, power supply circuits, power switching circuits, and general-purpose electronic circuits.
- Does the TIP2955 have a complementary NPN transistor?
Yes, the TIP3055 is the complementary NPN transistor for the TIP2955.
- What is the significance of the low collector-emitter saturation voltage in the TIP2955 transistor?
The low collector-emitter saturation voltage enhances the device's versatility and efficiency in circuit designs, allowing for more efficient power handling and reduced heat generation.
- How does the TIP2955 transistor handle thermal variations?
The TIP2955 transistor is designed to handle thermal variations effectively, with a junction temperature rating of up to 150°C, ensuring reliability in demanding thermal conditions.
- What are the benefits of using the TIP2955 in audio amplification circuits?
The TIP2955 is beneficial in audio amplification circuits due to its ability to deliver high-fidelity sound with minimal signal distortion, enhancing overall sound quality.
