JANSE2N2221AUA-Transistor Overview
The JANSE2N2221AUA-Transistor is a robust NPN bipolar junction transistor designed for general-purpose amplification and switching applications. Featuring a medium power rating and moderate gain, this device excels in low to medium current circuits. Its reliable performance under varied environmental conditions makes it a preferred choice for industrial and commercial electronics. The transistor??s versatility enables engineers to implement it in numerous circuits requiring dependable switching or signal amplification. Designed and tested to meet industry standards, this component ensures consistent electrical characteristics and longevity. For more details, visit the IC Manufacturer website.
JANSE2N2221AUA-Transistor Key Features
- Medium Power Handling: Supports collector currents up to 800mA, enabling effective switching and amplification in diverse circuits.
- High Gain Performance: Offers a DC current gain (hFE) typically between 100 and 300, providing reliable signal amplification.
- Low Saturation Voltage: Ensures efficient switching with minimal power loss, enhancing overall circuit efficiency.
- Wide Voltage Range: Collector-emitter voltage rating up to 40V permits operation in various voltage environments without breakdown.
- Standard TO-92 Package: Facilitates easy PCB integration and thermal management in compact designs.
- Reliable Switching Speed: Suitable for moderate-frequency switching applications, balancing performance and power consumption.
- Thermal Stability: Maintains operational integrity under typical industrial ambient temperatures, ensuring consistent reliability.
JANSE2N2221AUA-Transistor Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (Vceo) | 40 | V |
| Collector-Base Voltage (Vcbo) | 75 | V |
| Emitter-Base Voltage (Vebo) | 6 | V |
| Collector Current (Ic) | 800 | mA |
| DC Current Gain (hFE) | 100?C300 | ?? |
| Power Dissipation (Ptot) | 625 | mW |
| Transition Frequency (fT) | 250 | MHz |
| Junction Temperature (Tj) | 150 | ??C |
JANSE2N2221AUA-Transistor Advantages vs Typical Alternatives
This transistor delivers a balanced combination of voltage tolerance, current capacity, and gain, making it a highly effective alternative to similar NPN devices. Its low saturation voltage minimizes power losses during switching, improving energy efficiency. The device??s proven reliability across temperature ranges enhances long-term operational stability, while the common TO-92 package ensures straightforward integration. These advantages contribute to superior performance in switching and amplification tasks compared to other general-purpose transistors.
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Typical Applications
- Signal amplification in audio and low-frequency circuits, providing clear and stable amplification with moderate gain.
- Switching applications such as relay drivers and LED control, where reliable on/off operation is critical.
- General-purpose small-signal switching in power management and control circuits within industrial equipment.
- Prototyping and educational projects requiring a dependable NPN transistor with standard pin configuration and characteristics.
JANSE2N2221AUA-Transistor Brand Info
The JANSE2N2221AUA-Transistor is produced by a reputable semiconductor manufacturer specializing in industrial-grade discrete components. This transistor model is part of a longstanding series known for consistent quality and dependable electrical performance. The brand focuses on providing reliable components that meet rigorous testing and compliance standards, ensuring that engineers and sourcing specialists can rely on this transistor for both prototype development and high-volume production. Its global availability and compatibility with standard circuit designs make it a frequent choice for diverse electronics applications.
FAQ
What is the maximum collector current rating of this transistor?
The maximum collector current rating is 800mA, which allows it to handle moderate power loads in switching and amplification circuits without damage or performance degradation.
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Can this transistor be used in high-frequency applications?
With a transition frequency (fT) of approximately 250 MHz, it is suitable for moderate-frequency switching and amplification but not optimized for very high-frequency RF circuits.
What package type does this transistor come in, and how does it affect usage?
This device is available in a TO-92 package, which is compact and facilitates easy mounting on printed circuit boards. The package also supports adequate heat dissipation for its power rating.
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Is this transistor suitable for switching inductive loads like relays?
Yes, with its voltage and current ratings, it can effectively drive inductive loads such as relays, although proper protection like flyback diodes should be used to prevent damage from voltage spikes.
What is the typical gain range, and why is it important?
The DC current gain typically ranges from 100 to 300, which is important for amplifying input signals efficiently and ensuring the transistor operates in its optimal region for switching and signal processing tasks.






