JANSU2N2221AUB-Transistor Overview
The JANSU2N2221AUB is a robust NPN bipolar junction transistor designed for general-purpose amplification and switching applications. Its reliable electrical characteristics make it well-suited for medium power amplification and low to moderate switching speeds in industrial electronics. The device features a maximum collector current of 800mA and a collector-emitter voltage rating of 40V, offering dependable performance in various circuit configurations. The transistor??s TO-92 surface-mount package allows for compact PCB layouts and ease of integration into automated assembly lines. Engineers and sourcing specialists will appreciate its versatility and consistency, making it a staple component for signal amplification and switching tasks. More product details and sourcing options are available from the IC Manufacturer.
JANSU2N2221AUB-Transistor Key Features
- High Collector Current Capacity: Supports up to 800mA, enabling effective control of moderate load currents in switching and amplification circuits.
- Voltage Ratings: Collector-emitter voltage maximum of 40V ensures reliable operation in typical industrial voltage ranges.
- Gain Characteristics: Current gain (hFE) ranging from 100 to 300, providing strong signal amplification with predictable linearity.
- Compact TO-92 Package: Supports efficient PCB space utilization and simplifies automated assembly processes.
- Thermal Performance: Maximum power dissipation of 625mW helps maintain stability under continuous operation.
- Fast Switching Speed: Transition frequency (fT) around 300MHz facilitates high-frequency switching applications.
- Low Collector-Emitter Saturation Voltage: Minimizes power loss in switching mode, enhancing overall circuit efficiency.
JANSU2N2221AUB-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction |
| Maximum Collector-Emitter Voltage (VCEO) | 40 V |
| Maximum Collector Current (IC) | 800 mA |
| Maximum Power Dissipation (Ptot) | 625 mW |
| DC Current Gain (hFE) | 100 ?C 300 |
| Transition Frequency (fT) | 300 MHz (typical) |
| Collector-Emitter Saturation Voltage (VCE(sat)) | Typically 0.3V at IC=150mA |
| Junction Temperature Range (TJ) | -55??C to +150??C |
| Package Type | TO-92 Surface Mount |
JANSU2N2221AUB-Transistor Advantages vs Typical Alternatives
This transistor offers an excellent balance of current handling, voltage tolerance, and gain, making it a superior choice compared to many generic NPN transistors. Its low saturation voltage reduces power loss in switching applications, improving overall efficiency. The compact TO-92 package supports integration into space-constrained designs while maintaining thermal stability for reliable operation. These factors combined provide enhanced durability and performance in industrial control systems and amplification circuits.
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Typical Applications
- General-purpose switching in industrial control and automation systems, where dependable current handling and fast switching are critical for operational efficiency.
- Signal amplification in audio and sensor interface circuits, offering linear gain for enhanced signal integrity.
- Driver stages for relays, LEDs, and small motors, providing reliable control of moderate power loads.
- Low-noise preamplifier stages in instrumentation where consistent gain and low distortion are required.
JANSU2N2221AUB-Transistor Brand Info
The JANSU2N2221AUB is manufactured by JANSU, a reputable supplier specializing in semiconductor components for industrial electronics. This transistor model is part of their extensive portfolio of reliable bipolar junction transistors designed to meet stringent quality and performance standards. Built to support a wide range of applications, JANSU products are recognized for consistent manufacturing quality, ensuring dependable long-term operation in demanding environments.
FAQ
What is the maximum collector current supported by the JANSU2N2221AUB transistor?
The transistor supports a maximum continuous collector current of 800mA. This current rating allows it to handle moderate power loads commonly encountered in switching and amplification circuits without compromising device reliability.
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What type of package does this transistor come in, and why is it beneficial?
This device is housed in a TO-92 surface-mount package. The compact form factor is beneficial for space-saving PCB layouts and facilitates easy integration into automated manufacturing processes, improving production efficiency.
Can this transistor be used for high-frequency applications?
Yes, with a typical transition frequency of about 300MHz, it is suitable for moderate to high-frequency switching and amplification tasks, making it versatile for various signal processing applications.
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What is the typical gain range for this transistor?
The DC current gain (hFE) of this transistor ranges from 100 to 300, providing sufficient amplification for signal conditioning and ensuring stable operation across different circuit conditions.
How does the device perform thermally under continuous operation?
The transistor can dissipate up to 625mW of power and operates reliably within a junction temperature range from -55??C to +150??C, allowing it to maintain performance stability during extended use in industrial environments.
