JANSD2N2221AUBC/TR Overview
The JANSD2N2221AUBC/TR is a robust NPN bipolar junction transistor designed for general-purpose switching and amplification applications. With a maximum collector current of 800 mA and a collector-emitter voltage rating of 40 V, it delivers reliable performance in industrial and consumer electronic circuits. This transistor features a complementary gain bandwidth product suited for medium-frequency amplification, making it ideal for switching tasks and signal amplification in various electronic devices. Its TO-92 package ensures ease of integration and thermal management. For engineers and sourcing specialists seeking a dependable transistor, the JANSD2N2221AUBC/TR offers a proven balance of electrical characteristics and mechanical reliability. More details are available at IC Manufacturer.
JANSD2N2221AUBC/TR Key Features
- High Collector Current Capacity: Supports up to 800 mA, enabling effective switching of moderate power loads without overheating.
- Collector-Emitter Voltage Rating of 40 V: Ensures reliable operation in circuits with moderate voltage levels, protecting against breakdown.
- Medium Gain Bandwidth Product: Suitable for amplification tasks at frequencies up to 300 MHz, balancing speed and gain for versatile applications.
- TO-92 Plastic Package: Provides compact size with good thermal dissipation, simplifying PCB integration and assembly.
JANSD2N2221AUBC/TR Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor |
| Maximum Collector Current (Ic) | 800 mA |
| Collector-Emitter Voltage (Vceo) | 40 V |
| Collector-Base Voltage (Vcbo) | 75 V |
| Emitter-Base Voltage (Vebo) | 6 V |
| Gain Bandwidth Product (fT) | 300 MHz |
| DC Current Gain (hFE) | 100 to 300 (varies by operating point) |
| Power Dissipation (Pd) | 625 mW |
| Operating Temperature Range | -55 ??C to +150 ??C |
| Package | TO-92 Plastic |
JANSD2N2221AUBC/TR Advantages vs Typical Alternatives
This transistor offers a strong combination of current handling and voltage tolerance compared to typical small-signal transistors. Its higher collector current rating and voltage withstand capability provide improved reliability under moderate power conditions. The medium gain bandwidth product balances switching speed and amplification, outperforming slower alternatives. The TO-92 package facilitates straightforward integration into compact circuit designs, enhancing thermal management and assembly efficiency.
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Typical Applications
- Switching applications in industrial control circuits, where reliable current switching up to 800 mA is required to drive relays, lamps, or motors.
- Signal amplification in audio preamplifiers or intermediate frequency stages, leveraging its medium-frequency gain characteristics.
- General-purpose amplification and switching in low to medium power consumer electronics such as timers and sensor interfaces.
- Driver stages for LED displays and small actuators, capitalizing on its robust current and voltage ratings.
JANSD2N2221AUBC/TR Brand Info
The JANSD2N2221AUBC/TR is a product offered by a reputable semiconductor supplier specializing in industrial-grade discrete components. This transistor line is known for consistent quality and compliance with industry standards, ensuring dependable operation in demanding environments. The brand focuses on delivering components that meet the rigorous requirements of professional engineers and sourcing specialists, providing thorough datasheets and reliable supply chain support.
FAQ
What is the maximum collector current supported by this transistor?
The transistor supports a maximum collector current of 800 mA, which allows it to handle moderate load currents in switching and amplification circuits without thermal or electrical stress.
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What package type is used for this transistor and why is it important?
This device is housed in a TO-92 plastic package, which offers a compact footprint and aids in heat dissipation. The package type is critical for thermal management and simplifies integration into standard circuit boards.
Can this transistor be used for high-frequency applications?
With a gain bandwidth product of approximately 300 MHz, it is suitable for medium-frequency amplification and switching tasks, but it is not intended for very high-frequency RF applications.
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What voltage levels can this transistor safely operate at?
The device has a collector-emitter voltage rating of 40 V and a collector-base voltage rating of 75 V, making it suitable for circuits operating within these voltage limits to avoid breakdown.
Is this transistor suitable for switching inductive loads such as motors?
Yes, the transistor??s 800 mA current rating and voltage tolerance make it appropriate for switching moderate inductive loads like small motors or relays, provided that appropriate flyback protection is used.
