2N3998-Transistor NPN High-Speed Switching TO-92 Package by ON Semiconductor

2N3998-Transistor Overview

The 2N3998 transistor is a high-performance NPN bipolar junction transistor designed for medium power switching and amplification applications. It offers robust current handling capabilities with reliable gain characteristics, making it suitable for a wide range of industrial and electronic circuits. Its construction ensures stable operation under varied temperature conditions, supporting efficient signal amplification and switching tasks. This transistor is commonly utilized in power amplifiers, driver circuits, and general-purpose switching, providing engineers with a dependable component for precision and durability. For detailed sourcing and technical support, visit the IC Manufacturer website.

2N3998-Transistor Technical Specifications

2N3998-Transistor Key Features

• High collector current capacity: Supports up to 3 A, enabling robust power handling for demanding switching and amplification tasks.
• Wide voltage rating: With a collector-emitter voltage rating of 60 V, it is well-suited for medium voltage applications, enhancing design flexibility.
• Reliable gain performance: A broad DC current gain range from 40 to 160 ensures stable amplification across varying load conditions.
• Thermally robust TO-220 packaging: Facilitates efficient heat dissipation, improving reliability in power-intensive circuits.

Typical Applications

• Used in power amplifier circuits requiring stable gain and moderate voltage handling, ideal for audio and signal amplification tasks.
• Commonly implemented in switching regulators and power supply control circuits for efficient load management and switching.
• Suitable for driver stages in relay and solenoid control where current handling and switching speed are critical.
• Widely applied in industrial automation systems for controlling medium power loads and interfacing with sensors and actuators.

2N3998-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of high current capacity and voltage rating, which is advantageous compared to typical low-power transistors. Its robust gain characteristics and thermal performance make it more reliable in power amplification and switching roles. Engineers benefit from its versatile TO-220 package, which simplifies thermal management compared to surface-mount alternatives. Overall, it delivers enhanced durability and performance in industrial-grade applications where consistent operation is critical.

2N3998-Transistor Brand Info

The 2N3998 transistor is a standard bipolar junction transistor originally developed and widely distributed by several semiconductor manufacturers, including ON Semiconductor and Fairchild Semiconductor. Known for its durable TO-220 package and reliable electrical characteristics, this device remains a staple in power transistor applications. It is favored by engineers for its consistent performance, ease of integration in medium power circuits, and widespread availability through global distributors.

FAQ

What is the maximum collector current rating for this transistor?

The transistor supports a maximum collector current of 3 amperes, making it suitable for medium power switching and amplification applications requiring substantial current handling capability.

Can this transistor be used in high-frequency circuits?

With a transition frequency of up to 20 MHz, this device can be employed in moderate frequency amplifier and switching applications, though it is not optimized for very high-frequency RF circuits.

What type of package does the transistor come in, and how does it affect thermal management?

The transistor is