JANSH2N2221A-Transistor Overview
The JANSH2N2221A transistor is a robust NPN bipolar junction transistor (BJT) widely used in switching and amplification applications. Designed for medium power and high-speed switching, it delivers reliable performance with a maximum collector current of 800mA and a collector-emitter voltage rating of 40V. Its versatility enables integration in diverse industrial and consumer electronics circuits. This transistor is packaged in a TO-18 metal can, ensuring enhanced thermal dissipation and durability. For engineers and sourcing specialists seeking trusted semiconductor components, the JANSH2N2221A offers dependable specifications that meet rigorous design requirements. More details can be found at IC Manufacturer.
JANSH2N2221A-Transistor Technical Specifications
| Parameter | Value | Units |
|---|---|---|
| Transistor Type | NPN | |
| 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 |
| DC Current Gain (hFE) | 100 to 300 | (typical range) |
| Transition Frequency (fT) | 250 | MHz (typical) |
| Package Type | TO-18 Metal Can |
JANSH2N2221A-Transistor Key Features
- High Collector Current Capability: Supports up to 800mA, enabling effective driving of moderate loads and making it suitable for power amplification and switching.
- Wide Voltage Ratings: With a collector-emitter voltage of 40V and collector-base voltage of 75V, it ensures reliable operation in a variety of voltage conditions.
- Fast Switching Speed: Transition frequency around 250MHz allows for efficient operation in high-speed switching circuits, improving overall system performance.
- Robust TO-18 Metal Can Package: Provides excellent thermal dissipation and mechanical durability, enhancing reliability in industrial environments.
Typical Applications
- General-purpose switching and amplification in industrial control systems where moderate current and voltage handling are required.
- Low-noise audio amplification circuits benefiting from the transistor??s stable gain characteristics.
- Driver stages in relay and solenoid control circuits, leveraging the device??s current capacity and switching speed.
- Signal processing and interface circuits in instrumentation systems where reliable transistor performance is critical.
JANSH2N2221A-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of voltage and current ratings with fast switching capabilities, positioning it favorably against typical small-signal transistors. Its metal can package enhances thermal management and mechanical stability compared to plastic-encapsulated alternatives. Engineers benefit from its reliable gain performance and robustness, making it a preferred choice for applications demanding consistent operation and durability across various industrial and consumer electronic environments.
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JANSH2N2221A-Transistor Brand Info
The JANSH2N2221A is a variant of the classic 2N2221 NPN transistor, originally standardized and widely produced by multiple semiconductor manufacturers. Known for its longstanding presence in electronic design, this transistor is typically offered by brands specializing in industrial-grade discrete components. The metal can TO-18 package reflects a heritage of reliable, high-quality manufacturing suited for professional engineering use. While specific brand details depend on the source, the JANSH2N222
