BC807-40-TP

The BC807-40-TP is a small-signal NPN transistor manufactured by Micro Commercial Components (MCC). It is designed for various applications, including switching and amplification in electronic circuits. Here’s a detailed description of its key features and specifications:

General Description:

• Type: NPN Bipolar Junction Transistor (BJT)
• Package: Typically available in a SOT-23 package, which is a compact, surface-mount form factor that allows for efficient use of space on printed circuit boards (PCBs).

Electrical Characteristics:

• Collector-Emitter Voltage (Vce): The maximum voltage that can be applied between the collector and emitter terminals is typically around 45V, making it suitable for a variety of low to moderate voltage applications.
• Collector Current (Ic): The maximum continuous collector current is approximately 800mA, allowing it to handle significant current loads in switching applications.
• Gain (hFE): The DC current gain (hFE) can range from 100 to 600, depending on the specific operating conditions, which makes it effective for amplification purposes.

Thermal Characteristics:

• Junction Temperature (Tj): The maximum junction temperature is usually rated at 150°C, providing a good thermal margin for operation in various environments.
• Thermal Resistance: The thermal resistance from junction to ambient is low, which helps in dissipating heat effectively during operation.

Switching Characteristics:

• Transition Frequency (fT): The transition frequency is typically around 150MHz, indicating that the transistor can operate effectively at high frequencies, making it suitable for RF applications as well.
• Rise and Fall Times: The rise and fall times are generally fast, which is advantageous for switching applications where quick response times are critical.

Applications:

The BC807-40-TP is commonly used in:

• Signal amplification in audio and radio frequency applications.
• Switching applications in power management circuits.
• General-purpose electronic circuits where small-signal transistors are required.

Pin Configuration:

In the SOT-23 package, the pin configuration is typically as follows:

1. Base (B): The terminal that controls the transistor's operation.
2. Collector (C): The terminal through which the main current flows.
3. Emitter (E): The terminal through which the current exits the transistor.

Conclusion:

The BC807-40-TP from Micro Commercial Components is a versatile and reliable NPN transistor suitable for a wide range of electronic applications. Its compact size, high voltage and current ratings, and good frequency response make it an excellent choice for both hobbyist and professional electronic designs.