Overview
The TIP31A is an NPN bipolar power transistor manufactured by STMicroelectronics. It is part of a series that includes enhanced performance devices suitable for various industrial applications. The transistor is known for its high switching speed, improved linearity of the DC current gain (hFE), and its ability to handle medium power loads. It is widely used in both linear and switching applications due to its robust electrical characteristics and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | |
| Maximum DC Collector Current | 3 A | A |
| Maximum Collector Emitter Voltage | 60 V | V |
| Maximum Collector Base Voltage | 60 V | V |
| Maximum Emitter Base Voltage | 5 V | V |
| Package Type | TO-220 | |
| Mounting Type | Through Hole | |
| Maximum Power Dissipation | 2 W (at Tcase = 25°C), 40 W (total dissipation) | W |
| Minimum DC Current Gain (hFE) | 10 | |
| Transition Frequency | 3 MHz | MHz |
| Maximum Operating Junction Temperature | +150 °C | °C |
| Storage Temperature | -65 to +150 °C | °C |
Key Features
- High switching speed, making it suitable for applications requiring fast switching times.
- Improved linearity of the DC current gain (hFE), ensuring consistent performance across various operating conditions.
- High collector current of up to 3 A, suitable for medium power loads.
- Maximum collector-emitter voltage of 60 V, providing robust voltage handling capabilities.
- Available in TO-220 package, which is a common and versatile package for through-hole mounting.
- Wide operating temperature range from -65 to +150 °C, making it suitable for a variety of environmental conditions.
Applications
- Signal amplifiers: Due to its good amplifying factor and linear gain, it is suitable for signal amplification tasks.
- Audio amplifiers: Often used in audio circuits where high fidelity and reliability are required.
- Relay drivers: Can be used to drive relays in various control systems.
- Lighting systems: Suitable for controlling lighting systems, including dimming and switching applications.
- DC motor speed control: Used in motor control circuits to regulate speed.
- PWM applications: Suitable for pulse-width modulation applications due to its high switching speed.
- Switch-mode power supply: Used in switch-mode power supplies for efficient power conversion.
Q & A
- What is the maximum DC collector current of the TIP31A transistor?
The maximum DC collector current of the TIP31A transistor is 3 A.
- What is the maximum collector-emitter voltage of the TIP31A transistor?
The maximum collector-emitter voltage of the TIP31A transistor is 60 V.
- What package type is the TIP31A transistor available in?
The TIP31A transistor is available in the TO-220 package.
- What is the maximum operating junction temperature of the TIP31A transistor?
The maximum operating junction temperature of the TIP31A transistor is +150 °C.
- What are some common applications of the TIP31A transistor?
The TIP31A transistor is commonly used in signal amplifiers, audio amplifiers, relay drivers, lighting systems, DC motor speed control, PWM applications, and switch-mode power supplies.
- What is the transition frequency of the TIP31A transistor?
The transition frequency of the TIP31A transistor is 3 MHz.
- What is the minimum DC current gain (hFE) of the TIP31A transistor?
The minimum DC current gain (hFE) of the TIP31A transistor is 10.
- Can the TIP31A transistor be used in high-temperature environments?
Yes, the TIP31A transistor can operate in a wide temperature range from -65 to +150 °C.
- What is the storage temperature range for the TIP31A transistor?
The storage temperature range for the TIP31A transistor is -65 to +150 °C.
- Are there any equivalent transistors for the TIP31A?
Yes, some equivalents of the TIP31A include TIP31E, TIP31D, TIP31CGM, TIP31CF, TIP31C, TIP31BG, TIP31B, TIP31AG, MJF31CG, MJF31C, BDT31C, BDT31B, and BDT31A. The complementary transistor is TIP32A.
