JANSP2N2221AUB/TR Overview
The JANSP2N2221AUB/TR is a high-performance NPN bipolar junction transistor (BJT) designed for switching and amplification applications in industrial electronics. It features a robust collector current rating of up to 800mA and a voltage rating suitable for medium-power circuits. This transistor is optimized for reliable operation in demanding environments, making it ideal for both signal amplification and low-to-medium power switching tasks. Available in a compact SOT-23 surface-mount package, it offers easy PCB integration and supports automated assembly lines. Sourced from a trusted IC Manufacturer, it ensures consistent quality and compliance with industry standards.
JANSP2N2221AUB/TR Key Features
- High Collector Current Capacity: Supports continuous collector currents of up to 800mA, enabling effective handling of moderate power loads in switching and amplification circuits.
- Voltage Rating: With a collector-emitter voltage rating of 40V, it suits a wide range of medium-voltage circuit requirements, providing flexibility in design.
- Low Saturation Voltage: Ensures efficient switching performance with minimized power loss, improving overall circuit efficiency.
- Surface-Mount SOT-23 Package: Compact footprint enhances PCB space utilization and supports automated manufacturing processes.
- Gain Characteristics: Offers a DC current gain (hFE) optimized for general-purpose amplification, ensuring signal integrity in linear applications.
- Thermal Stability: Designed to maintain performance across typical industrial temperature ranges, improving system reliability.
- Robust Construction: The transistor??s internal design supports enduring electrical and thermal stress, enhancing lifespan in demanding environments.
JANSP2N2221AUB/TR Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor |
| Collector-Emitter Voltage (Vceo) | 40 V |
| Collector Current (Ic) | 800 mA (continuous) |
| Gain Bandwidth Product (fT) | 100 MHz (typical) |
| DC Current Gain (hFE) | 100 to 300 (depending on Ic and Vce) |
| Saturation Voltage (Vce(sat)) | 0.3 V (typical at Ic=500mA) |
| Package Type | SOT-23 Surface Mount |
| Operating Temperature Range | -55??C to +150??C |
| Base-Emitter Voltage (Vbe(on)) | 1.2 V (typical) |
| Power Dissipation (Pd) | 625 mW (surface mount limit) |
JANSP2N2221AUB/TR Advantages vs Typical Alternatives
This NPN transistor offers a balanced combination of high current capacity and voltage rating in a compact SOT-23 package, which is superior to many discrete alternatives that require larger footprints or lack automated assembly compatibility. Its low saturation voltage enhances switching efficiency, reducing power losses in industrial circuits. Additionally, the robust thermal performance and reliable gain characteristics provide engineers with a consistent and durable component for varied signal amplification and switching tasks compared to generic transistors.
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Typical Applications
- General-purpose switching in industrial control systems, where reliable current handling and fast switching are essential for solenoid drivers or relay control.
- Low to medium power amplification in sensor interface circuits, improving signal strength for downstream processing.
- Buffer stages in audio amplifiers and signal conditioning modules, leveraging its gain and linearity.
- Surface-mount PCB designs requiring compact, automated assembly-friendly transistors for portable industrial instrumentation.
JANSP2N2221AUB/TR Brand Info
Produced by a reputable semiconductor manufacturer, the JANSP2N2221AUB/TR is part of a well-established transistor family known for reliability and performance in industrial electronics. This specific model integrates proven BJT technology optimized for surface-mount applications. It benefits from stringent manufacturing controls and quality assurance processes, ensuring consistent electrical characteristics and long-term operational stability across industrial use cases.
FAQ
What is the maximum collector current rating for this transistor?
The maximum continuous collector current for this transistor is 800mA. This allows it to handle moderate power loads typical in switching and amplification applications without compromising device integrity.
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Can this transistor be used in surface-mount technology (SMT) applications?
Yes, it comes in a SOT-23 package specifically designed for surface-mount technology. This compact form factor supports automated PCB assembly and helps save valuable board space.
What is the typical voltage rating of the JANSP2N2221AUB/TR?
The transistor has a collector-emitter voltage rating of 40V, making it suitable for a range of medium-voltage circuits in industrial and general-purpose electronic applications.
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How does the low saturation voltage benefit circuit performance?
A lower saturation voltage reduces power dissipation during switching, thereby improving overall circuit efficiency and reducing heat generation. This is particularly important in power-sensitive or densely packed electronic systems.
What temperature range can this transistor reliably operate within?
The device is rated for operation from -55??C up to +150??C, covering most harsh industrial and environmental conditions to ensure consistent performance and reliability over time.
