JANSP2N2221AUB-Transistor Overview
The JANSP2N2221AUB-Transistor is a robust NPN bipolar junction transistor designed for versatile amplification and switching applications. It offers reliable performance with a maximum collector current of 800mA and a collector-emitter voltage rating of 40V, making it suitable for medium-power tasks. Its complementary high gain and fast switching capabilities enhance circuit efficiency, especially in industrial and consumer electronics. Engineered for durability and consistent operation, this transistor is ideal for signal amplification, low-noise driver stages, and general-purpose switching. Available through IC Manufacturer, it meets rigorous standards for quality and performance.
JANSP2N2221AUB-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor |
| Collector-Emitter Voltage (VCEO) | 40 V |
| Collector-Base Voltage (VCBO) | 75 V |
| Emitter-Base Voltage (VEBO) | 6 V |
| Collector Current (IC) – Continuous | 800 mA |
| Power Dissipation (Ptot) | 625 mW |
| DC Current Gain (hFE) | 100 to 300 (depending on collector current) |
| Transition Frequency (fT) | 250 MHz (typical) |
| Package Type | TO-92 Plastic |
JANSP2N2221AUB-Transistor Key Features
- High collector current capability: Supports up to 800mA continuous current, enabling effective switching and amplification in demanding circuits.
- Moderate voltage ratings: With a collector-emitter voltage of 40V, it suits a wide range of medium-voltage applications without compromising device reliability.
- Wide DC current gain range: Ensures flexible gain control allowing precise amplification tailored to specific circuit needs.
- Fast switching speed: Transition frequency around 250 MHz enables efficient performance in high-frequency signal processing and switching.
- Compact TO-92 package: Facilitates easy integration into through-hole PCB layouts while maintaining thermal stability.
Typical Applications
- General-purpose amplification in audio, signal processing, and low-noise driver circuits where consistent gain and linearity are essential.
- Switching applications such as relay drivers or LED drivers requiring reliable medium-current handling.
- Industrial control systems where robust transistor performance is critical for managing signal and power levels.
- Educational and prototyping environments for engineers needing a dependable NPN transistor with standardized pinout and characteristics.
JANSP2N2221AUB-Transistor Advantages vs Typical Alternatives
This transistor offers a strong combination of moderate voltage tolerance and high collector current capability, setting it apart from lower power alternatives. Its high gain and fast switching frequency improve circuit efficiency and response time, enhancing overall system performance. The TO-92 package ensures easy mounting and good thermal dissipation, providing reliable operation over extended periods compared to surface-mount or lower power devices.
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JANSP2N2221AUB-Transistor Brand Info
The JANSP2N2221AUB-Transistor is a military-grade or industrial-grade variant of the widely recognized 2N2221 transistor, typically supplied by established semiconductor manufacturers such as ON Semiconductor, Fairchild, or other reputable brands under JAN (Joint Army-Navy) specifications. This variant meets stringent quality and reliability standards suitable for demanding environments, ensuring enhanced durability and performance. It is commonly used in applications where long-term stability and consistent electrical characteristics are mandatory.
FAQ
What is the maximum collector current of the JANSP2N2221AUB transistor?
The maximum continuous collector current for this transistor is 800 milliamperes (mA). This allows it to handle moderate power levels, making it suitable for switching and amplification tasks in various electronic circuits.
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Can the JANSP2N2221AUB be used for high-frequency applications?
Yes, the






