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On Aug 13, 2025


TIP31B Bipolar Transistors - BJT by Central Semiconductor

The Bipolar Transistors - BJT TIP31B by Central Semiconductor are highly reliable Semiconductors designed for general-purpose amplification and switching applications. Falling under the category of Discrete Semiconductors, Transistors, and Bipolar Transistors - BJT, these NPN transistors are ideal for both industrial and consumer electronics.


Technical Specifications of TIP31B

  • Manufacturer: Central Semiconductor

  • Part Number: TIP31B

  • Category: Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT

  • Transistor Type: NPN

  • Collector-Emitter Voltage (Vce): 80V

  • Collector Current (Ic): 3A

  • Power Dissipation: 40W

  • Package: TO-220

  • Operating Temperature Range: -65°C to +150°C


Key Features of TIP31B

  • High collector current capability

  • Low saturation voltage for efficiency

  • Rugged TO-220 package for heat management

  • Wide operating temperature range

  • Suitable for switching and linear applications


Applications of TIP31B

  • Audio power amplifiers

  • Motor driver circuits

  • Power switching regulators

  • Relay control and solenoid drivers

  • Signal amplification in industrial equipment


Wiring and Connection Overview

When connecting the TIP31B Bipolar Transistors - BJT:

  • Pin configuration: Base (B), Collector (C), and Emitter (E)

  • Use appropriate base resistors for biasing

  • Ensure load and power ratings are within limits

  • Attach a heatsink for high-load conditions


Use Case Scenario – Motor Control

Problem: Need for a reliable transistor in a DC motor driver.

Solution: The TIP31B Bipolar Transistors - BJT provide high current handling and fast switching performance.

Result: Improved motor control with low heat generation and long-term reliability.


Download Datasheet for TIP31B

[Download TIP31B Datasheet from Xon Electronics]


Also available from other manufacturers


Why Buy from Xon Electronics?

  • 100% Genuine Central Semiconductor products
  • Worldwide shipping – USA, India, Australia, Europe and more
  • Competitive pricing
  • Expert guidance and technical support
  • Secure transactions


FAQs – TIP31B Bipolar Transistors - BJT

Q1. What is the maximum continuous current for TIP31B?
3A.

Q2. Can it be used in switching power supplies?
Yes, with proper design consideration.

Q3. Is heatsinking necessary?
Recommended for high-power loads.

Q4. Does Xon Electronics ship globally?
Yes, including USA, India, Australia, Europe, and other countries.


Conclusion

The TIP31B Bipolar Transistors - BJT by Central Semiconductor are a robust, cost-effective choice for both amplification and switching applications. Belonging to the Semiconductors, Discrete Semiconductors, Transistors, and Bipolar Transistors - BJT family, they deliver consistent performance in demanding environments.


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