2SD2143TL

The 2SD2143TL is a high-performance NPN bipolar junction transistor (BJT) manufactured by Rohm Semiconductor, designed for various applications in power amplification and switching. This transistor is particularly well-suited for use in audio amplifiers, power supply circuits, and other electronic devices requiring efficient signal processing.

Key Features:

1. Type: NPN Transistor
2. Package: The 2SD2143TL typically comes in a TO-220 package, which is a standard for power transistors. This package provides good thermal performance and allows for easy mounting on heatsinks, enhancing its ability to dissipate heat during operation.
3. Voltage Rating: The transistor has a maximum collector-emitter voltage (Vce) rating of around 60V, making it suitable for medium-voltage applications.
4. Current Rating: It can handle a continuous collector current (Ic) of up to 8A, which allows it to drive significant loads without overheating.
5. Power Dissipation: The device can dissipate power in the range of 50W, depending on the thermal management and ambient conditions, which is crucial for high-power applications.
6. Gain: The transistor features a high current gain (hFE), typically in the range of 50 to 150, which ensures efficient amplification of input signals.
7. Switching Speed: The 2SD2143TL is designed for fast switching applications, making it suitable for use in switching power supplies and other high-frequency circuits.

Electrical Characteristics:

• Collector-Emitter Saturation Voltage (Vce(sat)): This parameter indicates the voltage drop across the transistor when it is in saturation mode, typically around 1.5V at a specified collector current.
• Base-Emitter Voltage (Vbe): The base-emitter voltage required to turn the transistor on is typically around 0.7V.
• Thermal Resistance: The thermal resistance from junction to case is low, allowing for efficient heat dissipation.

Applications:

The 2SD2143TL is widely used in various applications, including:

• Audio amplifiers for driving speakers.
• Power supply circuits for voltage regulation.
• Motor drivers in industrial applications.
• Switching applications in consumer electronics.

Conclusion:

The 2SD2143TL from Rohm Semiconductor is a robust and versatile NPN transistor that offers excellent performance in power amplification and switching applications. Its high current and voltage ratings, combined with a TO-220 package, make it an ideal choice for engineers looking to design reliable and efficient electronic circuits.