JANSM2N2221AUA-Transistor Overview
The JANSM2N2221AUA is a robust NPN bipolar junction transistor widely used in general-purpose amplification and switching applications. Designed for dependable performance in industrial and commercial electronics, this transistor offers a collector current capacity of up to 800 mA and a voltage rating of 40 V. Its medium power dissipation and gain bandwidth product make it suitable for a variety of low to moderate frequency circuits. The device is optimized for linear amplification and switching, providing engineers with a versatile component for signal processing tasks. For detailed sourcing and technical support, visit IC Manufacturer.
JANSM2N2221AUA-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Transistor Type | NPN Bipolar Junction Transistor |
| Maximum Collector-Emitter Voltage (Vce) | 40 V |
| Maximum Collector Current (Ic) | 800 mA |
| Power Dissipation (Ptot) | 625 mW |
| DC Current Gain (hFE) | 100 (typical) |
| Transition Frequency (fT) | 250 MHz (typical) |
| Package Type | TO-92 (Plastic) |
| Operating Junction Temperature (Tj) | -55??C to +150??C |
JANSM2N2221AUA-Transistor Key Features
- High collector current capacity: Supports up to 800 mA allowing for efficient control of moderate power loads with reliable switching performance.
- Medium voltage rating of 40 V: Ensures compatibility with a wide range of low-to-medium voltage circuits in industrial and consumer electronics.
- Moderate power dissipation: 625 mW rating supports stable operation under typical load conditions, reducing thermal stress and enhancing longevity.
- Wide frequency response: Transition frequency of 250 MHz enables effective operation in RF amplification and fast switching applications.
Typical Applications
- Signal amplification in audio and low-frequency analog circuits where stable gain and linearity are critical for sound quality and system performance.
- Switching control in relay drivers, LED drivers, and low-power motor control circuits requiring robust current handling capacity.
- Interface stages in digital logic circuits, acting as level shifters or buffers between different voltage domains.
- General purpose amplification and switching in instrumentation and test equipment, providing reliable transistor action over varying operating conditions.
JANSM2N2221AUA-Transistor Advantages vs Typical Alternatives
This transistor offers a strong balance of voltage, current, and frequency parameters that make it advantageous over many standard NPN transistors. Its ability to handle 800 mA collector current and 40 V voltage rating supports more demanding load conditions than low-power alternatives. The moderate power dissipation rating promotes reliability in continuous operation. Additionally, the wide frequency response enhances versatility for both analog and switching applications, making it a preferred choice for engineers seeking dependable, multi-purpose transistor solutions.
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JANSM2N2221AUA-Transistor Brand Info
The JANSM2N2221AUA is manufactured by JAN Semiconductor, a reputed supplier specializing in high-quality, military-grade and industrial bipolar junction transistors. Known for stringent quality control and reliability standards, JAN Semiconductor ensures each transistor meets rigorous specifications for performance and durability. The 2N2221 series by this brand is widely recognized for its consistent electrical characteristics, making it a trusted component in diverse electronics designs requiring ruggedness and precision.
FAQ
What is the maximum collector current rating of this transistor?
The maximum collector current rating is 800 mA. This allows the device to drive moderate power loads efficiently, making it suitable for switching and amplification tasks that require robust current handling.
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Can this transistor be used for high-frequency applications?
Yes, it has a typical transition frequency (fT) of 250 MHz, which means it performs well in RF amplification and fast switching applications within the low to medium frequency range.
