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TIP31B. from SGS

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TIP31B.

Manufacturer: SGS

General Purpose Amplifier and Switching Applications

Partnumber Manufacturer Quantity Availability
TIP31B.,TIP31B SGS 44 In Stock

Description and Introduction

General Purpose Amplifier and Switching Applications The TIP31B is a power transistor manufactured by SGS (now part of STMicroelectronics). Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Transistor Type:** NPN Bipolar Junction Transistor (BJT)  
- **Collector-Emitter Voltage (VCEO):** 40V  
- **Collector-Base Voltage (VCBO):** 60V  
- **Emitter-Base Voltage (VEBO):** 5V  
- **Collector Current (IC):** 3A (continuous)  
- **Power Dissipation (Ptot):** 40W (at 25°C case temperature)  
- **DC Current Gain (hFE):** 20 to 50 (at IC = 2A)  
- **Transition Frequency (fT):** 3MHz (typical)  
- **Operating Junction Temperature (Tj):** -65°C to +150°C  

### **Description:**  
The TIP31B is a medium-power NPN transistor designed for general-purpose amplification and switching applications. It is commonly used in power supply circuits, motor control, and audio amplifiers.  

### **Features:**  
- High current capability (up to 3A)  
- Medium power dissipation (40W)  
- Complementary PNP type available (TIP32B)  
- TO-220 package for easy mounting and heat dissipation  

For exact performance characteristics, refer to the official datasheet from STMicroelectronics (successor to SGS).

Application Scenarios & Design Considerations

General Purpose Amplifier and Switching Applications

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