The TT2170LS is a high-voltage, high-speed switching transistor. Primarily designed for use in horizontal deflection circuits in CRT televisions and monitors, it offers robust performance and reliable operation.

Applications

• CRT Televisions: Used in the horizontal output stage to drive the deflection yoke.
• CRT Monitors: Similar application to televisions, driving the horizontal deflection.
• Switching Power Supplies: Can be used as a switching element in high-voltage power supplies.
• Inverters: Suitable for inverter circuits requiring high-voltage switching.

Features

• High Voltage: High collector-emitter voltage (Vceo) rating suitable for demanding applications.
• High Speed Switching: Designed for fast switching speeds, minimizing switching losses.
• Low Saturation Voltage: Low Vce(sat) reduces power dissipation and improves efficiency.
• Integrated Damper Diode: Includes a built-in damper diode for efficient energy recovery in inductive loads.
• Robust Design: Designed for reliable operation in harsh environments.

Benefits

• Efficient Horizontal Deflection: High-speed switching and low saturation voltage ensure efficient operation in CRT deflection circuits.
• Reliable Performance: High voltage rating and robust design provide reliable operation in demanding applications.
• Reduced Power Dissipation: Low saturation voltage minimizes power dissipation, improving overall efficiency.
• Simplified Circuit Design: Integrated damper diode simplifies circuit design and reduces component count.

Additional Details

The TT2170LS typically has a high current gain and fast switching times, making it suitable for high-frequency applications. The integrated damper diode helps to suppress voltage spikes and protect the transistor from damage. The device is usually supplied in a through-hole package designed for efficient heat dissipation. Its specifications include parameters like collector current, base current, power dissipation, and thermal resistance, which are critical for ensuring proper operation and preventing overheating.