STMicroelectronics NPN Darlington Transistor 5 A 80 V 65 W TO-220 Through Hole 3-Pin TIP121

The STMicroelectronics TIP121 is an NPN Darlington transistor designed for high current and voltage switching applications with a maximum continuous collector current of 5 A and voltage rating of 80 V. Featuring a high DC current gain of 1000, it enables efficient amplification in electronic circuits. It is housed in a durable TO-220 package with 3 pins, optimized for through-hole mounting on PCBs.

This transistor supports a maximum power dissipation of 65 W, allowing it to operate reliably under demanding electrical loads. Its wide operating temperature range from -65°C up to 150°C makes it suitable for harsh industrial environments.

With a maximum collector-emitter saturation voltage of 2 V and emitter-base voltage of 5 V, the TIP121 transistor ensures low conduction losses. The design includes a maximum collector cut-off current of 0.2 mA, minimizing leakage currents when switched off.

This versatile component is widely used in power amplification, medium power switching, and electronic relay circuits, especially in industrial, manufacturing, automation, and power supply applications.

High DC current gain enhances signal amplification and switching efficiency. Robust TO-220 package facilitates heat dissipation and mechanical stability. Wide operating temperature allows use in industrial and commercial electronic equipment.

Through-hole mount type is compatible with standard PCB assembly processes. Reliable NPN Darlington transistor suitable for various power semiconductor applications.

STMicroelectronics products are recognized for quality and performance in semiconductor components across electronics industries. Explore more Darlington Transistors and related semiconductor devices in EnvMart's comprehensive Electronics & Electricals catalog.