JANSK2N2221A-Transistor Overview
The JANSK2N2221A transistor is a robust NPN bipolar junction transistor widely used in switching and amplification applications. Engineered for medium power and high-speed switching, it supports collector currents up to 800mA and a collector-emitter voltage rating of 40V. Its versatility and reliable performance make it a preferred choice for industrial, automotive, and consumer electronic circuits. Designed for easy integration with standard transistor arrays, this device from IC Manufacturer delivers consistent gain and thermal stability, ensuring dependable operation in demanding environments.
JANSK2N2221A-Transistor Key Features
- High Collector Current Capacity: Supports up to 800mA, enabling efficient handling of moderate power loads in switching circuits.
- Collector-Emitter Voltage Rating (40V): Provides a wide operating voltage range, suitable for diverse industrial and electronic applications.
- Fast Switching Speed: Enhances circuit responsiveness, reducing switching losses and improving overall system efficiency.
- Stable DC Current Gain (hFE): Maintains consistent amplification characteristics across temperature variations for predictable circuit behavior.
JANSK2N2221A-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 |
| Power Dissipation (Pc) | 625 | mW |
| DC Current Gain (hFE) | 100?C300 | ?C |
| Transition Frequency (fT) | 250 | MHz |
| Operating Temperature Range | -55 to +150 | ??C |
JANSK2N2221A-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of moderate power handling and high-frequency operation, making it superior to many generic NPN transistors. Its high current capability and stable gain improve circuit reliability and accuracy, especially in switching and amplification roles. The device??s robust voltage ratings and thermal tolerance provide enhanced durability in industrial applications compared to lower-spec alternatives.
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Typical Applications
- Switching circuits in industrial control systems, where reliable high-speed operation and moderate power handling are essential for efficient performance.
- Audio amplification stages requiring precise gain control and low distortion.
- Signal processing circuits in automotive electronics, benefiting from the transistor??s thermal stability and voltage tolerance.
- General-purpose amplification and switching in consumer electronics, enabling broad compatibility and ease of integration.
JANSK2N2221A-Transistor Brand Info
The JANSK2N2221A transistor is a product offered by a reputable semiconductor manufacturer known for delivering robust and reliable discrete components. This transistor aligns with industry standards for NPN bipolar junction transistors, providing consistent performance across a wide range of applications. With a focus on quality and durability, this product supports engineers and sourcing specialists in achieving dependable circuit designs with proven component longevity.
FAQ
What is the maximum collector current the JANSK2N2221A can handle?
The transistor is rated to handle a maximum collector current of 800mA. This makes it suitable for medium power switching and amplification applications where currents are within this range, ensuring reliable operation without damage.
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Can the transistor operate at high frequencies?
Yes, the device features a transition frequency (fT) of approximately 250 MHz, allowing it to perform effectively in high-frequency switching and amplification circuits, which is critical for fast signal processing tasks.
What voltage limits should be observed for safe operation?
The maximum collector-emitter voltage is rated at 40V, with a collector-base voltage of 75V and emitter-base voltage of 6V. Staying within these limits prevents breakdown and guarantees long-term reliability in various circuit designs.
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Is the JANSK2N2221A suitable for use in temperature extremes?
Yes, it operates reliably within a temperature range from -55??C to +150??C. This wide operational range makes it well-suited for demanding environments, including automotive and industrial applications.
How does the DC current gain (hFE) affect circuit design with this transistor?
The DC current gain varies from 100 to 300, providing predictable amplification performance. This range allows designers to calculate base current requirements accurately and design circuits with consistent gain and stability across various operating conditions.







