JANSU2N2221AUA-Transistor NPN Amplifier Transistor in TO-92 Package by JANSU

JANSU2N2221AUA-Transistor Overview

The JANSU2N2221AUA-Transistor is a robust NPN bipolar junction transistor designed for general-purpose amplification and switching applications. It offers a reliable collector current rating suitable for medium-power electronic circuits, making it ideal for a variety of industrial and commercial electronics. With a maximum collector-emitter voltage and high gain characteristics, this transistor ensures efficient signal processing and power handling. Its standardized TO-92 package facilitates easy integration into printed circuit boards (PCBs). Available through IC Manufacturer, it meets stringent quality and performance standards demanded by engineers and sourcing specialists in industrial technology.

JANSU2N2221AUA-Transistor Key Features

• High Collector Current Capability: Supports up to 800mA continuous collector current, enabling effective driving of medium-power loads.
• Moderate Voltage Ratings: Collector-Emitter voltage of 40V ensures reliable operation in various power supply environments without breakdown.
• Gain Bandwidth Product: Offers a current gain (hFE) range suitable for amplification tasks, ensuring signal integrity across frequency ranges.
• TO-92 Package: Compact and widely used through-hole package simplifies assembly and thermal management in PCB layouts.

JANSU2N2221AUA-Transistor Technical Specifications

JANSU2N2221AUA-Transistor Advantages vs Typical Alternatives

This transistor stands out with its balance of moderate voltage handling and high collector current, making it more versatile than typical low-power alternatives. Its gain bandwidth product supports reliable amplification across common frequency ranges, and the TO-92 package ensures broad compatibility. These features contribute to enhanced integration flexibility, better thermal management, and dependable performance in switching and amplification applications compared to other generic NPN transistors.

Typical Applications

• Signal amplification in analog circuits, where stable gain and moderate power handling are essential for clean audio or sensor signal processing.
• Switching loads such as low-power motors or relays in control systems, ensuring efficient on/off operation without significant power loss.
• Driver stage for LED indicators and displays, providing consistent current regulation within compact circuit designs.
• General-purpose switching in industrial automation equipment, offering reliable transistor function under diverse voltage and current demands.

JANSU2N2221AUA-Transistor Brand Info

The JANSU2N2221AUA-Transistor is produced under the JANSU brand, known for delivering quality semiconductor components tailored for industrial and commercial electronics markets. The brand emphasizes consistent manufacturing standards and performance reliability, ensuring that this transistor meets the rigorous demands of engineers and sourcing specialists. Its legacy in providing dependable NPN transistors makes it a trusted choice for applications requiring stable amplification and switching capabilities.

FAQ

What is the maximum collector current rating of this transistor?

The maximum continuous collector current is 800mA. This allows the transistor to drive moderate load currents efficiently without exceeding thermal or electrical limits, making it suitable for a variety of switching and amplification tasks.

What package type does this transistor use, and how does it affect application?

This transistor comes in a TO-92 package, which is a compact, through-hole form factor widely used for easy PCB integration and thermal dissipation. The package supports straightforward mounting and is compatible with many standard circuit designs.

Can this transistor be used for high-frequency applications?

With a transition frequency (fT) of approximately 300 MHz, this device is capable of handling moderate high-frequency signals, making it suitable for general-purpose audio and switching applications, although it may not be ideal for very high-frequency RF circuits.

What are the voltage limits for safe operation of this transistor?

The transistor supports a collector-emitter voltage up to 40V, collector-base voltage up to 75V, and emitter-base voltage of 6V. Operating within these limits ensures reliable function without risk of breakdown or permanent damage.

How does the gain range influence circuit design with this transistor?

The DC current gain ranges from 100 to 300, providing good amplification capability. This variability allows designers to select appropriate biasing and load conditions to optimize performance for specific amplification or switching requirements.