2N2219A-Transistor Overview
The 2N2219A transistor is a versatile NPN bipolar junction transistor designed primarily for medium power amplification and switching applications. This device offers a maximum collector current of 800mA and a collector-emitter voltage rating of 40V, making it suitable for a wide range of industrial and consumer electronics projects. Its robust construction ensures reliable operation under varied thermal conditions, with a maximum junction temperature of 200??C. The transistor??s gain bandwidth product supports moderate frequency operation, ideal for audio amplifiers, driver stages, and general-purpose switching. Engineers and sourcing specialists find this transistor a dependable choice for cost-effective and efficient circuit design. For more comprehensive details, visit IC Manufacturer.
2N2219A-Transistor Key Features
- High Collector Current Capability: Supports up to 800mA, enabling the transistor to drive medium power loads effectively.
- Moderate Voltage Rating: Collector-emitter voltage of 40V provides ample headroom in many switching and amplification circuits.
- Reliable Thermal Performance: Maximum junction temperature of 200??C ensures consistent operation in environments with elevated temperatures.
- Good Gain Bandwidth Product: Suitable for audio frequency amplification and signal processing applications.
- Standard TO-39 Package: Facilitates easy mounting and heat dissipation on standard printed circuit boards (PCBs).
- Low Saturation Voltage: Enhances switching efficiency and reduces power loss in transistor-driven load circuits.
- Compatibility and Integration: Industry-standard pinout allows for seamless replacement in existing designs.
2N2219A-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 (PD) | 800 mW (at 25??C) |
| Gain Bandwidth Product (fT) | 100 MHz (typical) |
| DC Current Gain (hFE) | 40 to 300 (depending on collector current) |
| Junction Temperature (TJ) | 200??C (max) |
| Package Type | TO-39 Metal Can |
2N2219A-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of moderate voltage and high current capabilities, outperforming many low-power alternatives in switching and amplification tasks. Its robust thermal tolerance and low saturation voltage improve reliability and efficiency in demanding industrial environments. The standard TO-39 package and well-documented characteristics make it a preferred choice for engineers seeking a cost-effective, readily available transistor with proven performance in both analog and switching circuits.
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Typical Applications
- Audio Amplifiers: Ideal for small- to medium-power audio amplification due to its gain bandwidth and current handling capacity, delivering clear sound reproduction with reliable linearity.
- Switching Circuits: Suitable for driving relays, LEDs, and other loads requiring medium current switching.
- Signal Processing: Used in driver stages for signal conditioning in industrial and consumer electronics.
- General Purpose Amplification: Commonly found in sensor interfaces and low-frequency amplifier stages requiring stable gain performance.
2N2219A-Transistor Brand Info
The 2N2219A transistor is a widely recognized standard component available from multiple semiconductor manufacturers. Known for its reliability and consistent performance, this transistor has become a staple in electronic design and repair. Its metal can TO-39 packaging provides excellent heat dissipation, contributing to its durability in industrial and commercial applications. The device is specified and tested to meet industry standards, ensuring compatibility and interchangeability across brands, making it a trusted choice for engineers and sourcing professionals worldwide.
FAQ
What is the maximum collector current rating of this transistor?
The transistor supports a maximum collector current of 800mA, allowing it to handle medium power loads effectively in switching and amplification applications without compromising reliability.
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Can this transistor operate at high frequencies?
Yes, it has a typical gain bandwidth product of around 100 MHz, making it suitable for audio frequency amplification and moderate-frequency signal processing tasks.
What package does the transistor come in, and why is it important?
This device is packaged in a TO-39 metal can, which offers robust mechanical protection and efficient heat dissipation, crucial for maintaining performance and longevity in various operating environments.
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Is the 2N2219A transistor suitable for high-temperature applications?
Yes, it can operate safely up to a junction temperature of 200??C, making it reliable for use in environments where elevated temperature conditions are expected.
How does the 2N2219A compare to typical low-power transistors?
Compared to low-power alternatives, this transistor provides higher current and voltage ratings, better thermal stability, and lower saturation voltage, resulting in improved efficiency and reliability in medium power circuit designs.
