Overview
The TIP31ATU_F129, produced by onsemi, is a silicon Epitaxial-Base NPN power transistor. It is part of the TIP31 series, known for its high performance and versatility in various electronic applications. This transistor is packaged in a TO-220 format, which provides good thermal dissipation and ease of mounting. The TIP31ATU_F129 is designed for use in both linear and switching applications, offering improved switching speed and enhanced DC current gain linearity compared to industry standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | 60 | V |
| Collector-Emitter Voltage (VCEO) | 60 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 3 | A |
| Peak Collector Current (ICM) | 5 | A |
| Base Current (IB) | 1 | A |
| Total Power Dissipation at Tcase = 25°C | 40 | W |
| Total Power Dissipation at Tamb = 25°C | 2 | W |
| Storage Temperature (Tstg) | -65 to 150 | °C |
| Maximum Operating Junction Temperature (TJ) | 150 | °C |
| DC Current Gain (hFE) | 10 to 50 | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 1.2 | V |
| Base-Emitter Saturation Voltage (VBE(on)) | 1.8 | V |
| Junction-to-Case Thermal Resistance (Rθjc) | 3.125 | °C/W |
| Junction-to-Ambient Thermal Resistance (Rθja) | 62.5 | °C/W |
Key Features
- High switching speed and improved DC current gain linearity.
- TO-220 plastic package for good thermal dissipation and easy mounting.
- Suitable for both linear and switching applications.
- High collector current capacity of up to 3A and peak collector current of up to 5A.
- Wide operating temperature range from -65°C to 150°C.
- Low collector-emitter saturation voltage (VCE(sat)) of 1.2V.
- Complementary PNP types available (TIP32A, TIP32B, etc.).
Applications
- Audio Power Amplifiers: Used in the output and driver stages of audio power amplifiers to drive speakers and amplify audio signals.
- Pre-Amplifiers: Amplifies low-level audio signals from sources like microphones or musical instruments.
- Audio Mixers: Used in summing amplifier circuits to combine multiple audio signals.
- Tone Control Circuits: Part of active filter circuits for adjusting bass, mid, and treble frequencies.
- DIY Audio Projects: Used in guitar amplifier projects and home-built audio systems.
- Switching Applications: Controls relays, drives small DC motors, and switches LED arrays.
- Power Regulation: Part of voltage regulation circuits and power supply circuits.
- Pulse Width Modulation (PWM): Used in PWM circuits for motor speed control.
- Inverter and Converter Circuits: Used in DC-DC converters and inverter circuits to convert DC to AC power.
Q & A
- What is the maximum collector current of the TIP31ATU_F129 transistor?
The maximum collector current is 3A, with a peak collector current of up to 5A.
- What is the collector-emitter voltage (VCEO) of the TIP31ATU_F129?
The collector-emitter voltage (VCEO) is 60V.
- What is the thermal resistance from junction to ambient (Rθja) of the TIP31ATU_F129?
The thermal resistance from junction to ambient (Rθja) is 62.5°C/W.
- What are the typical applications of the TIP31ATU_F129 transistor?
It is used in audio power amplifiers, pre-amplifiers, audio mixers, tone control circuits, DIY audio projects, switching applications, power regulation, PWM circuits, and inverter/converter circuits.
- What is the maximum operating junction temperature of the TIP31ATU_F129?
The maximum operating junction temperature is 150°C.
- What is the storage temperature range for the TIP31ATU_F129?
The storage temperature range is from -65°C to 150°C.
- What is the DC current gain (hFE) of the TIP31ATU_F129?
The DC current gain (hFE) ranges from 10 to 50.
- What is the collector-emitter saturation voltage (VCE(sat)) of the TIP31ATU_F129?
The collector-emitter saturation voltage (VCE(sat)) is 1.2V.
- Is the TIP31ATU_F129 suitable for high-power applications?
Yes, it is suitable for high-power applications due to its high collector current capacity and good thermal dissipation characteristics.
- What is the package type of the TIP31ATU_F129 transistor?
The transistor is packaged in a TO-220 format.
