STMICROELECTRONICS TIP31C NPN Transistor, 100V 3A, TO-220

The STMICROELECTRONICS TIP31C is a robust NPN bipolar junction transistor designed for demanding audio, power linear, and high-speed switching applications. Built using base island technology, it offers enhanced performance parameters crucial for stable and efficient circuit design.

This transistor provides a high collector-emitter voltage of up to 100 volts and can handle a continuous collector current of 3 amps, with a power dissipation rating of 40 watts. Its high switching speed makes it suitable for applications requiring rapid on/off cycles, while improved hFE linearity ensures consistent gain across its operating range, contributing to cleaner signal amplification and more reliable power management.

Key Features & Specifications

• Transistor Type: NPN Bipolar Junction Transistor (BJT)
• Maximum Voltage (Vce): 100 V
• Continuous Collector Current (Ic): 3 A
• Power Dissipation (Pd): 40 W
• Package / Case Style: TO-220 through-hole
• Pin Count: 3 pins
• DC Current Gain (hFE Min): 25
• Maximum Operating Temperature: 150°C
• Mounting Type: Through-hole
• Dimensions: 43mm (Height) x 33mm (Width) x 15mm (Depth)

The sturdy TO-220 package is designed for through-hole mounting, providing excellent thermal conductivity for heat dissipation and ensuring mechanical durability on printed circuit boards (PCBs). Its electrical characteristics, including the specified minimum DC current gain, make it a reliable choice for designers seeking a component that balances power handling with performance stability.