BC817-25

The BC817-25 is a versatile NPN bipolar junction transistor (BJT) manufactured by SLKORMICRO Electronics, commonly used in various electronic applications. Here’s a detailed description of its characteristics and specifications:

General Description:

The BC817-25 is designed for low to medium power switching and amplification applications. It is particularly suitable for use in low-voltage circuits, making it a popular choice in consumer electronics, automotive applications, and industrial control systems.

Package Type:

The BC817-25 typically comes in a TO-92 package, which is a cylindrical plastic housing with three leads. This package is compact and allows for easy mounting on printed circuit boards (PCBs).

Electrical Characteristics:

• Type: NPN
• Collector-Emitter Voltage (Vce): The maximum voltage that can be applied between the collector and emitter is 45V, making it suitable for a variety of applications.
• Emitter-Base Voltage (Veb): The maximum voltage between the emitter and base is 5V.
• Collector Current (Ic): The maximum continuous collector current is 800mA, allowing it to handle moderate loads.
• DC Current Gain (hFE): The transistor has a current gain (hFE) ranging from 100 to 800, depending on the collector current, which indicates its efficiency in amplifying signals.

Thermal Characteristics:

• Junction Temperature (Tj): The maximum junction temperature is typically around 150°C, which allows for operation in a range of environments.
• Thermal Resistance: The thermal resistance from junction to ambient is relatively low, ensuring effective heat dissipation during operation.

Switching Characteristics:

The BC817-25 is capable of switching applications, with a fast switching speed that makes it suitable for use in digital circuits and signal processing.

Applications:

• Amplification: Used in audio amplifiers and signal processing circuits.
• Switching: Ideal for driving loads such as relays, LEDs, and small motors.
• Signal Modulation: Employed in various communication devices for signal modulation and demodulation.

Pin Configuration:

The BC817-25 has a standard pin configuration:

1. Emitter (E)
2. Base (B)
3. Collector (C)

Conclusion:

The BC817-25 from SLKORMICRO Electronics is a reliable and efficient NPN transistor suitable for a wide range of applications. Its combination of moderate voltage and current ratings, along with its compact package, makes it a popular choice among engineers and hobbyists alike for both switching and amplification tasks.