The 2SD717-Y is an NPN silicon epitaxial planar transistor manufactured by Toshiba Semiconductor and Storage. Primarily designed for high-frequency power amplifier applications, this transistor is commonly used in VHF and UHF bands. Its robust design and high power gain make it suitable for demanding radio frequency circuits.

Applications

• VHF/UHF power amplifiers
• RF transmitters
• Oscillator circuits
• High-frequency switching applications
• Driver stages in RF power amplifiers

Features

• High Power Gain: Typically 10 dB at 175 MHz
• High Collector-Emitter Voltage (VCEO): 60 V
• High Collector Current (IC): 3 A
• Low Feedback Capacitance
• Excellent Linearity

Benefits

• Efficient amplification of high-frequency signals due to high power gain.
• Reliable operation in high-voltage environments due to high breakdown voltage.
• Minimized signal distortion due to excellent linearity.
• Stable performance in RF circuits due to low feedback capacitance.
• Robust design for demanding RF applications.

Additional Details

The 2SD717-Y is typically packaged in a through-hole package, allowing for easy mounting on PCBs. The "Y" suffix often denotes a specific gain ranking or hFE range, indicating its amplification capabilities. Key specifications include a collector power dissipation (PC) of approximately 20W and a transition frequency (fT) of around 175 MHz. For optimal performance, it's crucial to consult the official Toshiba datasheet for the 2SD717-Y. This document provides precise electrical characteristics, thermal resistance data, and recommended operating conditions. The datasheet also specifies safe operating area (SOA) curves, which are essential for ensuring the transistor operates within its limits and avoids damage from over-current or over-voltage conditions.