2N3421-Transistor Overview
The 2N3421 transistor is a robust NPN silicon transistor designed for medium power amplification and switching applications. It features a high voltage rating and dependable electrical characteristics, making it suitable for industrial and commercial electronics. This transistor offers reliable performance in linear amplifier circuits and switching devices, ensuring efficient operation in various electronic systems. Manufactured to exacting standards, it serves as a versatile solution for engineers requiring stable gain and durability. For comprehensive sourcing and technical support, visit the Fabricante de CI platform.
2N3421-Transistor Technical Specifications
| Parámetro | Valor |
|---|---|
| Tipo | NPN Silicon Transistor |
| Tensión colector-emisor (VDIRECTOR GENERAL) | 100 V |
| Tensión colector-base (VCBO) | 120 V |
| Emitter-Base Voltage (VEBO) | 5 V |
| Corriente de colector (IC) | 0.8 A |
| Disipación de potencia (PD) | 20 W |
| Ganancia de corriente continua (hFE) | 20 to 70 |
| Frecuencia de transición (fT) | 3 MHz |
| Tipo de envase | TO-18 Metal Can |
2N3421-Transistor Key Features
- High Voltage Handling: Supports up to 120 V collector-base voltage, enabling use in circuits requiring elevated voltage endurance.
- Medium Power Dissipation: 20 W power rating allows for efficient heat management in demanding applications.
- Reliable Gain Stability: Offers a DC current gain range of 20 to 70, ensuring consistent amplification performance across operating conditions.
- Robust Packaging: Encased in a TO-18 metal can package, providing excellent thermal conductivity and mechanical protection.
Aplicaciones típicas
- Linear amplifier stages in audio and instrumentation circuits, leveraging the transistor??s stable gain and power ratings for clear signal amplification.
- Medium power switching applications where reliable transistor switching is crucial for controlling loads or relays.
- Voltage regulation circuits requiring transistors with high collector-emitter voltage tolerance and moderate current handling.
- Industrial control systems where durable and high-voltage transistors are necessary for robust performance under varying electrical loads.
2N3421-Transistor Advantages vs Typical Alternatives
This transistor delivers enhanced voltage tolerance and medium power handling capabilities compared to many standard small-signal transistors. Its wide current gain range provides flexibility in circuit design, while the TO-18 metal package ensures superior heat dissipation and physical durability. These factors combine to offer improved reliability and performance in industrial and commercial electronics where long-term operation and electrical robustness are critical.
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2N3421-Transistor Brand Info
The 2N3421 transistor is a widely recognized bipolar junction transistor originally standardized by JEDEC and produced by multiple semiconductor manufacturers. It is commonly available from leading suppliers specializing in discrete semiconductor devices. The device is known for its consistent quality and adherence to JEDEC specifications, making it a trusted choice in both legacy and modern electronic designs requiring a dependable medium power NPN transistor.
PREGUNTAS FRECUENTES
What type of transistor is the 2N3421?
The 2N3421 is an NPN silicon bipolar junction transistor designed for medium power applications. It is widely used for amplification and switching due to its reliable electrical characteristics and robust construction.
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What are the maximum voltage ratings of this transistor?
It supports a collector-base voltage of up to 120 V and a collector-emitter voltage of 100 V, making it suitable for circuits that demand high voltage endurance without compromising performance.
What is the typical current gain range for this transistor?
The device offers a DC current gain (hFE) ranging from
