JANSU2N2221AL-Transistor Overview
The JANSU2N2221AL transistor is a widely used NPN bipolar junction transistor designed for general-purpose amplification and switching applications. It offers robust performance with a moderate collector current and voltage rating, making it suitable for industrial and commercial electronics projects. This device features a reliable packaging format and thermal characteristics that support efficient heat dissipation under typical operating conditions. Engineers and sourcing specialists will find it valuable for its versatility in signal amplification, low noise operation, and fast switching capabilities. For detailed specifications and sourcing, visit IC Manufacturer.
JANSU2N2221AL-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| 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) | 800 mA |
| Power Dissipation (Ptot) | 625 mW |
| Transition Frequency (fT) | 250 MHz |
| DC Current Gain (hFE) | 100 to 300 (depending on collector current) |
| Package Type | TO-18 Metal Can |
JANSU2N2221AL-Transistor Key Features
- High gain capability: Provides reliable amplification with DC current gain ranging from 100 to 300, enabling efficient signal processing in low to medium power circuits.
- Moderate voltage ratings: Supports collector-emitter voltages up to 40 V, suitable for a wide range of switching and amplification tasks without risk of breakdown.
- Fast switching speed: Transition frequency up to 250 MHz ensures quick response times for switching applications, improving overall circuit efficiency.
- Compact TO-18 packaging: Metal can design offers enhanced thermal conductivity and mechanical stability, supporting long-term reliability in harsh industrial environments.
Typical Applications
- Signal amplification in audio and low-power RF circuits, where moderate gain and frequency response are required for clear and accurate output.
- General-purpose switching in control systems and relay drivers, benefiting from the transistor’s robust current handling and fast switching speed.
- Interface circuits in industrial instrumentation, offering stable operation under varying load conditions and improved noise immunity.
- Driver stages in small motors and solenoids, utilizing the device??s power dissipation capacity and voltage tolerance for reliable actuation.
JANSU2N2221AL-Transistor Advantages vs Typical Alternatives
This transistor provides a balanced combination of gain, voltage tolerance, and switching speed that often surpasses typical low-power transistors. Its metal can packaging enhances thermal management and mechanical durability compared to plastic-encapsulated alternatives. The device??s wide operating frequency and moderate current handling make it a versatile option for engineers seeking reliable performance in both amplification and switching roles, ensuring stable operation across a variety of industrial and commercial applications.
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JANSU2N2221AL-Transistor Brand Info
The JANSU2N2221AL is a variant of the classic 2N2221 transistor, widely manufactured under various reputable semiconductor brands specializing in bipolar junction transistors. Known for its consistent quality and adherence to JEDEC standards, this device is favored for durability and predictable electrical characteristics. The “JAN” prefix indicates military-grade or high-reliability screening, making it suitable for demanding environments requiring tight performance specifications and enhanced reliability. This makes it a preferred choice for industrial and aerospace applications where component robustness is critical.
FAQ
What is the maximum collector current rating of this transistor?
The maximum collector current for this NPN transistor is 800 mA. This rating allows it
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