JANSR2N2221A-Transistor Overview
The JANSR2N2221A is a versatile NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its robust electrical performance, it offers reliable operation in low to medium power circuits with high current gain and fast switching capabilities. The device is housed in a TO-18 metal can package, providing excellent thermal stability and mechanical durability. Ideal for engineers and sourcing specialists, this transistor supports a wide range of industrial and commercial electronic designs, ensuring consistent and efficient signal control. For detailed sourcing and technical data, visit IC Manufacturer.
JANSR2N2221A-Transistor Technical Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Type | NPN | Bipolar Junction Transistor | |
| Collector-Emitter Voltage (VCEO) | 40 | V | Maximum voltage between collector and emitter |
| Collector Current (IC) | 600 | mA | Maximum continuous collector current |
| Power Dissipation (Ptot) | 625 | mW | Maximum total power dissipation at 25??C |
| Gain Bandwidth Product (fT) | 300 | MHz | Transition frequency indicating speed |
| Gain (hFE) | 100-300 | DC current gain at specified test conditions | |
| Package | TO-18 | Metal can package for thermal and mechanical stability | |
| Operating Temperature Range | -55 to +200 | ??C | Junction temperature rating |
JANSR2N2221A-Transistor Key Features
- High Collector Current Capability: Supports up to 600mA, enabling robust switching and amplification in demanding circuits.
- Wide Operating Temperature Range: Reliable performance from -55??C to 200??C ensures suitability for harsh industrial environments.
- Fast Switching Speed: Gain bandwidth product of 300MHz allows efficient operation in high-frequency applications.
- Durable TO-18 Packaging: Metal can enclosure provides excellent thermal dissipation and mechanical protection, increasing device longevity.
Typical Applications
- Signal amplification in audio and low-frequency circuits where stable gain and linearity are critical for sound quality.
- Switching applications in control systems and relay drivers requiring reliable current handling up to 600mA.
- General-purpose amplification and switching in industrial automation equipment, sensors, and instrumentation.
- High-frequency oscillator circuits leveraging the transistor??s fast switching and gain bandwidth characteristics.
JANSR2N2221A-Transistor Advantages vs Typical Alternatives
This transistor offers a compelling balance of high current capacity and fast switching speed compared to standard small-signal transistors. Its robust operating temperature range and TO-18 metal can package provide superior thermal management and mechanical durability, making it more reliable in industrial and harsh environment applications. These attributes translate to better sensitivity, consistent gain, and longer operational life, setting it apart from typical plastic-encapsulated alternatives.
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JANSR2N2221A-Transistor Brand Info
The JANSR2N2221A is a military-grade variant of the popular 2N2221 transistor series, typically produced by established semiconductor manufacturers specializing in high-reliability components. The “JAN” prefix indicates compliance with Joint Army-Navy specifications, ensuring stringent quality and performance standards for defense and aerospace use. This product is recognized for its ruggedness and consistent electrical characteristics,
