The 2N2904 is a general-purpose NPN bipolar junction transistor widely used in amplification and switching applications. It offers a reliable gain characteristic and moderate power handling, making it suitable for low to medium current circuits. With a collector-emitter voltage rating of 30V and a continuous collector current of 600mA, this transistor supports a range of industrial and consumer electronics functions. Its TO-18 metal can package ensures durability and effective thermal dissipation. For sourcing precision and performance consistency, visit IC Manufacturer.
2N2904-Transistor Technical Specifications
Parameter
Specification
Type
NPN Bipolar Junction Transistor
Collector-Emitter Voltage (VCEO)
30 V
Collector-Base Voltage (VCBO)
60 V
Emitter-Base Voltage (VEBO)
5 V
Collector Current (IC)
600 mA continuous
Power Dissipation (Ptot)
625 mW
DC Current Gain (hFE)
100 to 300 (typical range)
Transition Frequency (fT)
100 MHz (typical)
Package Type
TO-18 Metal Can
2N2904-Transistor Key Features
Robust voltage ratings: Supports up to 30 V collector-emitter voltage, enabling use in medium-voltage circuits with reliable performance.
Moderate current capacity: Handles continuous collector current up to 600 mA, suitable for switching and amplification in low to medium power applications.
High current gain: Typical hFE between 100 and 300 ensures efficient signal amplification and minimal input drive requirements.
Fast switching speed: Transition frequency around 100 MHz supports high-frequency operation, beneficial in RF and pulse circuits.
Durable TO-18 package: Metal can design enhances thermal conductivity and mechanical stability for industrial environments.
Low power dissipation: With a maximum rating of 625 mW, it maintains efficiency while minimizing heat generation.
Typical Applications
Signal amplification in audio and low-frequency circuits, providing stable gain with low distortion for industrial control systems.
Switching transistor in relay drivers and small motor control circuits requiring reliable on/off operation under moderate loads.
Oscillator circuits and frequency modulation stages benefiting from its fast transition frequency and consistent gain.
General-purpose electronic circuits in instrumentation, test equipment, and consumer devices requiring versatile transistor performance.
2N2904-Transistor Advantages vs Typical Alternatives
This transistor offers a well-balanced combination of voltage and current ratings, making it advantageous over similar devices that may lack either gain consistency or power handling. Its TO-18 metal can package provides superior thermal management compared to plastic housings, enhancing reliability in industrial settings. The moderate transition frequency supports a broad range of applications without compromising switching speed, while its typical gain range reduces the need for complex driver circuitry. Overall, it delivers dependable performance in cost-sensitive and space-constrained designs.
The 2N2904 transistor is a classic device originally developed and popularized by various semiconductor manufacturers, including Texas Instruments, Fairchild Semiconductor, and ON Semiconductor. It has become a staple in the electronics industry due to its proven reliability and widespread availability. The product is often sourced from leading IC Manufacturer suppliers who ensure compliance with quality standards and provide consistent device characteristics. This transistor??s enduring presence in the market reflects its suitability for both legacy and modern electronic design requirements.
