2N6284 - Silicon Epitaxial-Base NPN Power Transistor

Overview

The 2N6284 is a robust silicon epitaxial-base NPN power transistor designed for high-power amplification and switching applications. This component is engineered to deliver high current and voltage handling capabilities, making it suitable for demanding industrial and commercial applications. The transistor features a low collector-emitter saturation voltage, ensuring efficient operation in switching circuits.

With its rugged construction and reliable performance, the 2N6284 is widely used in power supplies, motor control circuits, and audio amplifiers. Its epitaxial-base structure enhances thermal stability and reduces the risk of thermal runaway, a critical factor in high-power applications.

Features

• High Current Capability: Capable of handling collector currents up to 20A, making it ideal for high-power applications.
• Low Saturation Voltage: Collector-emitter saturation voltage (V_CE(sat)) as low as 1.5V at 10A, ensuring efficient switching performance.
• High Voltage Rating: Collector-emitter breakdown voltage (V_CEO) of 80V, suitable for medium-voltage circuits.
• Epitaxial-Base Construction: Enhances thermal stability and improves overall reliability.
• Fast Switching Speed: Designed for applications requiring quick turn-on and turn-off times.
• Robust Package: Housed in a TO-3 metal case for excellent heat dissipation and mechanical durability.

Applications

The 2N6284 is versatile and finds use in a wide range of applications, including:

• Power Supplies: Used in linear and switching power supply circuits for voltage regulation and current control.
• Motor Control: Ideal for driving high-current motors in industrial and automotive systems.
• Audio Amplifiers: Employed in high-power audio amplifier stages for clear and distortion-free sound output.
• Inverters and Converters: Suitable for DC-AC and DC-DC conversion circuits.
• Industrial Equipment: Used in relays, solenoids, and other high-power switching applications.

Electrical Characteristics

The following table summarizes the key electrical specifications of the 2N6284 under typical operating conditions (T_A = 25°C unless otherwise noted):

Absolute Maximum Ratings

• Collector-Emitter Voltage (V_CEO): 80V
• Collector-Base Voltage (V_CBO): 100V
• Emitter-Base Voltage (V_EBO): 7V
• Collector Current (I_C): 20A (continuous)
• Base Current (I_B): 5A (continuous)
• Total Power Dissipation (P_D): 150W (at T_C = 25°C)
• Operating Junction Temperature (T_J): -65°C to +200°C
• Storage Temperature Range (T_STG): -65°C to +200°C

Thermal Characteristics

• Thermal Resistance, Junction-to-Case (R_θJC): 0.875°C/W
• Thermal Resistance, Junction-to-Ambient (R_θJA): 35°C/W

On-State Characteristics

• Collector-Emitter Saturation Voltage (V_CE(sat)): 1.5V (max) at I_C = 10A, I_B = 1A
• Base-Emitter Saturation Voltage (V_BE(sat)): 2.0V (max) at I_C = 10A, I_B = 1A
• DC Current Gain (h_FE): 40 (min) at I_C = 10A, V_CE = 4V

Package Information

The 2N6284 is housed in a TO-3 metal package, which provides excellent thermal performance and mechanical strength. The package is designed for easy mounting on heat sinks, ensuring efficient heat dissipation in high-power applications.

Package Dimensions

• Case Material: Metal (typically steel or aluminum)
• Mounting Style: Through-hole, with two mounting holes for secure attachment to a heat sink.
• Weight: Approximately 15 grams.
• Terminal Configuration: The TO-3 package includes three leads: Collector (connected to the case), Base, and Emitter.

Mechanical Specifications

• Lead Material: Tinned copper for reliable conductivity and solderability.
• Isolation: The case is electrically connected to the collector, requiring proper insulation when mounted on a heat sink.
• Operating Environment: Suitable for use in harsh environments due to its rugged construction.

Conclusion

The 2N6284 is a high-performance NPN power transistor that excels in high-current and high-voltage applications. Its epitaxial-base design, low saturation voltage, and robust TO-3 package make it a reliable choice for power amplification and switching tasks. Whether used in power supplies, motor control, or audio systems, the 2N6284 delivers consistent performance under demanding conditions.

Engineers and designers can rely on the 2N6284 for its durability, thermal stability, and efficiency, making it a staple component in power electronics.