BC547 NPN DIP Transistor

The BC547 is a commonly used NPN bipolar junction transistor (BJT) available in a DIP (Dual Inline Package) configuration. Here are some key features and specifications: The BC547 transistor is widely used due to its versatility, affordability, and ease of use in various electronic circuits, especially in hobbyist and educational projects.

Features:

1. Type: NPN transistor, which means it allows current to flow from the collector to the emitter when a small current is applied to the base.
2. Package: DIP package, which is a through-hole package with two parallel rows of pins for easy mounting on a circuit board.
3. Applications: Often used in amplification circuits, switching applications, and as general-purpose transistors in various electronic devices.
4. Maximum Voltage and Current Ratings: The maximum collector-base voltage (Vcbo) is typically around 50V, and the maximum collector current (Ic) is usually around 100mA.
5. Gain (hFE): The DC current gain or amplification factor of the BC547 transistor is typically between 110 and 800, depending on the specific model and manufacturer.
6. Frequency Range: Capable of operating in the low to moderate frequency range, suitable for audio and general-purpose amplifier circuits.
7. Polarity: As an NPN transistor, its pinout consists of the collector (C), base (B), and emitter (E) terminals.