onsemi 2N6284G Darlington Transistor: Features, Applications, and Technical Specifications
The onsemi 2N6284G is a high-power NPN Darlington transistor designed for demanding applications requiring high current gain and robust performance. Housed in a robust TO-3P package, this device is engineered to handle significant power levels, making it a cornerstone component in power amplification and switching circuits. Its Darlington pair configuration internally connects two transistors, resulting in an exceptionally high current gain, which allows a small input current to control a much larger output current.
A standout feature of the 2N6284G is its very high DC current gain (hFE), typically ranging from 1000 to 20,000 at an output current (IC) of 10 A. This ensures that only a minimal drive current is needed from control circuits like microcontrollers or logic chips. It boasts a collector-emitter voltage (VCEO) of 80 V and a continuous collector current (IC) of 20 A, enabling it to manage substantial power in various systems. The component also includes an integrated suppressor diode for enhanced inductive load switching, protecting the transistor from voltage spikes generated when switching off motors or solenoids. The low saturation voltage helps to minimize power loss and heat generation during operation.
The applications for the 2N6284G are extensive and varied. It is ideally suited for linear and switching power regulators, where it acts as the pass element to control output voltage. In motor control circuits, it provides the necessary current and power to drive DC motors in industrial equipment, automotive systems, and robotics. Furthermore, it is commonly used in audio power amplifiers to deliver high-current output to speakers. Other common uses include solenoid and relay drivers, lamp drivers, and in general high-current switching and amplification tasks.
Technical Specifications Summary:
Transistor Type: NPN Darlington

Package: TO-3P (SC-65)
Collector-Emitter Voltage (VCEO): 80 V
Collector Current (IC): 20 A (Continuous)
DC Current Gain (hFE): 1000 (min) to 20,000 (typ) @ IC = 10 A, VCE = 4 V
Power Dissipation (PD): 160 W
Collector-Emitter Saturation Voltage (VCE(sat)): 2.0 V (max) @ IC = 10 A, IB = 50 mA
ICGOOODFIND: The onsemi 2N6284G is a highly reliable and powerful Darlington transistor that excels in applications demanding high current gain and robust power handling. Its integrated protective features and high gain make it an efficient and durable choice for designers of power electronics, simplifying drive circuit design and improving system reliability.
Keywords: Darlington Transistor, High Current Gain, Power Switching, Motor Control, TO-3P Package.
