The 2SD1816 is a silicon NPN triple diffused planar transistor manufactured by SANYO. It is designed for high voltage switching applications.

Applications

• Switching Regulators
• Inverters
• High Voltage Power Supplies
• Motor Control Circuits
• Lighting Ballasts

Features

• High Collector-Emitter Voltage (VCEO): 400V
• High Collector Current (IC): 7A
• Low Saturation Voltage
• High fT: Transition Frequency
• Triple Diffused Planar Type construction

Benefits

• Suitable for high voltage applications due to high VCEO
• Can handle significant current levels
• Efficient switching due to high transition frequency
• Improved reliability due to the planar construction
• Can contribute to compact designs

Additional Details

The 2SD1816 is generally available in a TO-3P package. Proper heat sinking is required to ensure efficient dissipation of heat when the transistor is operating at higher power levels. The datasheet specifies detailed electrical characteristics, thermal resistances, and safe operating area that should be consulted for proper and reliable usage of the transistor. Its ability to handle both high voltage and current makes it useful in various power electronics applications. This is particularly useful where efficient power conversion is important. Additionally, its design makes it relatively easy to implement in switching regulator topologies. Always refer to the official datasheet for the most accurate specifications and application guidelines.