STMICROELECTRONICS TIP121 NPN Power Darlington Transistor 5A 80V TO-220

The STMICROELECTRONICS TIP121 NPN Power Darlington Transistor is a high-performance component designed for demanding industrial and linear applications. Manufactured using advanced planar technology with a base island layout, this transistor delivers exceptional high current gain while maintaining a very low collector-emitter saturation voltage, ensuring efficient operation and reduced power loss.

With a DC collector current of 5A and a collector-emitter voltage of 80V, the TIP121 is well-suited for switching and linear circuits where reliability and performance are critical. The transistor features a maximum power dissipation of 65W and a DC current gain (hFE) of 1000, providing robust amplification and control capabilities.

The TO-220 package ensures easy mounting and effective heat dissipation, with a junction-to-case thermal resistance of 1.92°C/W and a junction-to-ambient thermal resistance of 62.5°C/W. Operating at temperatures up to 150°C, this through-hole transistor is a durable choice for a wide range of applications.

Key Specifications

• Transistor Polarity: NPN
• Collector-Emitter Voltage (VCEO): 80V
• DC Collector Current: 5A
• Power Dissipation: 65W
• DC Current Gain (hFE): 1000
• Case: TO-220
• No. of Pins: 3
• Mounting: Through Hole
• Operating Temperature Max: 150°C

Whether used in audio equipment or industrial control systems, the TIP121 delivers consistent, high-gain performance, making it a reliable choice for your electronic projects.