JANSU2N2221AUBC-Transistor Overview
The JANSU2N2221AUBC is a robust NPN bipolar junction transistor designed for general-purpose amplification and switching applications. Engineered to deliver reliable performance in industrial and consumer electronics, it features a maximum collector current of 800mA and a collector-emitter voltage of 40V, making it suitable for moderate power tasks. Its compact SOT-223 package supports efficient thermal management, enhancing reliability under continuous operation. This transistor is an ideal choice for engineers requiring a balance of gain, switching speed, and durability in a single component. For detailed sourcing and technical data, visit the IC Manufacturer website.
JANSU2N2221AUBC-Transistor Key Features
- High collector current capacity: Supports up to 800mA, enabling effective control of moderate loads without thermal stress.
- Collector-Emitter voltage rating of 40V: Ensures robust operation in circuits with moderate voltage requirements.
- Low saturation voltage: Minimizes power loss and improves switching efficiency in digital and analog circuits.
- Compact SOT-223 package: Facilitates enhanced heat dissipation for improved reliability under continuous use.
JANSU2N2221AUBC-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor |
| Maximum Collector Current (Ic) | 800 mA |
| Collector-Emitter Voltage (Vce) | 40 V |
| Collector-Base Voltage (Vcb) | 75 V |
| Emitter-Base Voltage (Veb) | 6 V |
| DC Current Gain (hFE) | 100 to 300 (varies by Ic and test conditions) |
| Transition Frequency (fT) | 250 MHz (typical) |
| Package Type | SOT-223 Surface Mount |
| Power Dissipation (Pd) | 625 mW (at 25??C) |
JANSU2N2221AUBC-Transistor Advantages vs Typical Alternatives
This transistor offers a strong combination of moderate voltage handling and high current capacity within a compact surface-mount package, providing improved thermal management compared to traditional through-hole equivalents. Its low saturation voltage enhances switching efficiency, reducing power loss in control circuits. These factors make it a preferred choice for engineers seeking reliable, efficient transistor solutions for signal amplification and switching without the complexity of more specialized devices.
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Typical Applications
- General-purpose amplifier circuits requiring medium power gain and fast switching speeds in industrial control systems or consumer electronics.
- Switching applications in relay drivers and LED control circuits where reliable current handling is critical.
- Low to medium power audio amplification stages benefiting from the stable gain characteristics.
- Signal processing in sensing and interface circuits demanding compact surface-mount components for space-saving designs.
JANSU2N2221AUBC-Transistor Brand Info
The JANSU2N2221AUBC transistor is manufactured under the JANSU brand, known for delivering quality semiconductor components tailored for industrial and commercial electronics. This product line emphasizes reliability and consistent electrical performance, making it suitable for both prototyping and mass production. JANSU??s commitment to rigorous quality control and international compliance ensures that this transistor meets stringent standards for durability and efficiency in diverse applications.
FAQ
What is the maximum collector current rating of this transistor?
The maximum collector current for this transistor is rated at 800 milliamperes (mA). This allows it to handle moderate load currents typically encountered in signal amplification and switching applications without exceeding safe operating limits.
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Which package type does the transistor come in, and why is it beneficial?
This device is packaged in a SOT-223 surface mount package. This format offers improved heat dissipation compared to smaller packages, enabling better thermal management and more reliable operation in compact PCB layouts.
What voltage levels does the transistor support?
The transistor supports a collector-emitter voltage (Vce) of up to 40 volts, a collector-base voltage (Vcb) of 75 volts, and an emitter-base voltage (Veb) of 6 volts. These ratings make it suitable for circuits operating within these voltage ranges.
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How does the DC current gain (hFE) affect circuit design?
The DC current gain, typically ranging from 100 to 300, indicates the transistor??s amplification capability. Higher gain allows for stronger signal amplification with less input current, which is important for efficient and sensitive circuit designs.
Can this transistor be used for high-frequency applications?
Yes, with a transition frequency (fT) of approximately 250 MHz, this transistor can operate effectively in moderately high-frequency applications such as RF amplification and fast switching circuits, although it is best suited for general-purpose use.
