2N6287 - Silicon Epitaxial-Base NPN Power Transistor

Overview

The 2N6287 is a silicon epitaxial-base NPN power transistor designed for high-power amplification and switching applications. This robust component is engineered to handle substantial current and voltage levels, making it suitable for demanding industrial and commercial applications. The transistor's construction ensures reliable performance under high-stress conditions, with excellent thermal characteristics and durability.

With its NPN polarity, the 2N6287 is optimized for use in circuits requiring efficient current control and amplification. The epitaxial-base technology enhances its switching speed and reduces saturation voltage, contributing to improved overall efficiency in power applications.

Features

• High Current Capability: Designed to handle collector currents up to 20A, making it suitable for high-power applications.
• High Voltage Tolerance: Supports collector-emitter voltages up to 80V, ensuring reliable operation in high-voltage circuits.
• Low Saturation Voltage: Features a low V_CE(sat) for improved efficiency in switching applications.
• Epitaxial-Base Construction: Enhances switching speed and thermal performance.
• Excellent Thermal Stability: Robust design minimizes performance degradation under high-temperature conditions.
• TO-3 Package: Provides superior heat dissipation and mechanical durability.

Applications

The 2N6287 is widely used in a variety of high-power electronic applications, including:

• Power Amplifiers: Suitable for audio and RF amplification in industrial and commercial systems.
• Switching Regulators: Efficiently controls power delivery in DC-DC converters and voltage regulators.
• Motor Control: Used in H-bridge configurations for driving high-current motors.
• Industrial Equipment: Ideal for heavy-duty machinery requiring robust power handling.
• Power Supplies: Provides reliable switching in linear and switched-mode power supplies.

Electrical Characteristics

The following table outlines the key electrical specifications of the 2N6287 under standard test 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
• Base Current (I_B): 5A
• 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

DC Current Gain (h_FE)

• Minimum h_FE at I_C = 4A, V_CE = 4V: 40
• Typical h_FE at I_C = 4A, V_CE = 4V: 75

Saturation Characteristics

• Collector-Emitter Saturation Voltage (V_CE(sat)): 1.5V (max) at I_C = 10A, I_B = 2A
• Base-Emitter Saturation Voltage (V_BE(sat)): 2.0V (max) at I_C = 10A, I_B = 2A

Package Information

The 2N6287 is housed in a TO-3 metal can package, which offers excellent thermal performance and mechanical strength. The package is designed for high-power applications where efficient heat dissipation is critical.

Package Dimensions

• Package Type: TO-3
• Mounting Style: Through-hole
• Weight: Approximately 15 grams
• Terminal Material: Nickel-plated for corrosion resistance
• Pin Configuration:
  • Pin 1: Base
  • Pin 2: Emitter
  • Case: Collector

Mechanical Drawing

The TO-3 package features a cylindrical metal can with two leads (Base and Emitter) and the Collector connected to the case. The dimensions are as follows:

• Diameter: 16.5 mm (typical)
• Height: 19.0 mm (including leads)
• Lead Spacing: 10.92 mm (between Base and Emitter)

Conclusion

The 2N6287 is a high-performance NPN power transistor designed for demanding applications requiring high current and voltage handling capabilities. Its epitaxial-base construction, low saturation voltage, and robust TO-3 package make it an excellent choice for power amplification, switching regulators, and motor control circuits. With its reliable thermal characteristics and durable design, the 2N6287 is well-suited for industrial and commercial applications where efficiency and longevity are critical.