The 2SD787 is a silicon NPN triple diffusion planar transistor manufactured by Hitachi. It is designed for high-power switching applications. This transistor is known for its high breakdown voltage, high current capability, and fast switching speeds, making it suitable for use in switching regulators, DC-DC converters, motor control circuits, and other high-power switching applications.

Applications

• Switching regulators
• DC-DC converters
• Motor control circuits
• Inverters
• Power supplies
• High-power switching circuits

Features

• NPN silicon triple diffusion planar transistor
• High breakdown voltage (VCEO)
• High collector current (IC)
• Fast switching speeds
• Low saturation voltage (VCE(sat))
• High power dissipation capability
• Isolated mounting base

Benefits

• Enables efficient and reliable high-power switching.
• Reduces power losses with its low saturation voltage.
• Offers high switching speeds for improved performance.
• Provides robust performance in demanding applications.
• Simplifies mounting with its isolated base.

Additional Details

The 2SD787 is typically supplied in a TO-3P or similar package with an isolated mounting base. It has a high collector-emitter voltage and collector current rating, allowing it to handle significant power levels. The transistor's fast switching speeds minimize switching losses, improving overall system efficiency. It is designed to meet industry standards for reliability and performance.

Proper heat sinking is required to ensure reliable operation at high power levels. The isolated mounting base simplifies thermal management and reduces the risk of electrical shock. The transistor's characteristics are well-defined, making it easy to incorporate into circuit designs. It is a popular choice for high-power switching applications where performance and reliability are critical.