JANSE2N2221AL-Transistor Overview
The JANSE2N2221AL is a high-performance NPN bipolar junction transistor designed for reliable switching and amplification in industrial and electronic circuits. Featuring a maximum collector current rating of 800mA and a collector-emitter voltage of 40V, this transistor is suitable for medium power applications requiring fast switching and robust operation. Its complementary characteristics ensure efficient signal amplification with low saturation voltage, making it an ideal choice for engineers and sourcing specialists focused on durability and consistent performance. Available from IC Manufacturer, this device supports a broad range of general-purpose electronic designs.
JANSE2N2221AL-Transistor Key Features
- High Collector Current Capacity: Supports up to 800mA, enabling effective handling of medium power loads without compromising device integrity.
- Collector-Emitter Voltage Rating: Withstands up to 40V, making it suitable for circuits operating under moderate voltage conditions.
- Low Saturation Voltage: Ensures efficient switching and reduces power loss, enhancing overall circuit efficiency.
- Fast Switching Speed: Optimized for rapid on/off transitions, improving performance in digital and pulse applications.
- Robust Gain Characteristics: Offers a DC current gain (hFE) ranging from 40 to 300 depending on operating conditions, allowing precise amplification control.
- Standard TO-92 Package: Facilitates easy integration into through-hole PCB designs with proven mechanical reliability.
JANSE2N2221AL-Transistor Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Collector-Emitter Voltage (Vceo) | 40 | V |
| Collector-Base Voltage (Vcbo) | 75 | V |
| Emitter-Base Voltage (Vebo) | 6 | V |
| Collector Current Continuous (Ic) | 800 | mA |
| Collector Dissipation (Pc) | 625 | mW |
| DC Current Gain (hFE) | 40 to 300 | ?? |
| Transition Frequency (fT) | 250 | MHz |
| Package Type | TO-92 | ?? |
JANSE2N2221AL-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of current handling and voltage tolerance that exceeds many typical small-signal transistors. Its low saturation voltage improves efficiency, reducing thermal stress and power consumption in switching applications. The wide gain range also allows greater design flexibility, while the proven TO-92 package supports easy assembly and reliable mechanical stability, making it a dependable alternative in industrial and general-purpose electronics.
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Typical Applications
- Switching and amplification in low to medium power electronic circuits, such as signal drivers and interface stages, where reliability and consistent gain are essential for performance.
- General-purpose amplifier stages in audio and sensor circuits requiring fast response and stable operation.
- Driver transistor for relays, LEDs, and small motors in control and automation systems.
- Used in educational and prototyping environments for testing transistor characteristics and circuit design validation.
JANSE2N2221AL-Transistor Brand Info
The JANSE2N2221AL is part of the JANSE series of transistors produced by a recognized IC Manufacturer known for delivering robust semiconductor solutions for industrial and consumer electronics. This transistor line is engineered to meet stringent quality standards, offering reliable electrical performance and consistent manufacturing quality. The brand supports engineers and sourcing professionals with comprehensive datasheets and availability, ensuring seamless integration into diverse electronic systems.
FAQ
What is the maximum collector current rating for this transistor?
This NPN transistor can handle a maximum continuous collector current of 800mA, enabling it to switch and amplify medium power signals effectively without damage under normal operating conditions.
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What voltage limits should be observed when using this transistor?
The maximum collector-emitter voltage is rated at 40V, while the collector-base voltage can go up to 75V. Exceeding these limits may cause device breakdown or permanent damage.
How does the DC current gain (hFE) affect application design?
The DC current gain ranges from 40 to 300 depending on the operating point, which impacts the transistor??s amplification factor. Designers can leverage this wide gain range to optimize signal amplification and switching efficiency in various circuits.
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Is the transistor suitable for high-frequency applications?
With a transition frequency (fT) of 250MHz, this transistor is capable of handling moderately high-frequency signals, making it suitable for many switching and amplification tasks within that bandwidth.
What package type is used and what are its integration benefits?
The device is supplied in a TO-92 through-hole package, which is widely used for easy PCB mounting, prototyping, and replacement. This package offers mechanical stability and straightforward assembly for industrial and educational applications.
