BC547 Specs: Comprehensive Overview of the BC547 Transistor

The BC547 is a widely used NPN bipolar junction transistor (BJT) with various applications in electronics. Let’s explore the BC547 specs in detail to understand its characteristics and performance.

BC547 Specs

Type: The BC547 is an NPN transistor, implying that it operates with a positive voltage at the collector concerning the emitter.

Package Type: The BC547 comes in a TO-92 package, which is a common through-hole package featuring three leads for easy PCB mounting.

Collector-Emitter Voltage (VCEO): The maximum voltage that can be applied between the collector and emitter without causing damage to the transistor. For BC547, the VCEO is typically rated at 45V.

Collector-Base Voltage (VCBO): This specification indicates the maximum voltage that can be applied between the collector and base without causing damage. BC547 typically has a VCBO rating of 50V.

Emitter-Base Voltage (VEBO): The maximum voltage that can be applied between the emitter and base without causing damage. The VEBO for BC547 is generally around 6V.

Collector Current (IC): BC547 can handle a maximum continuous collector current of 100mA. This rating defines the current-carrying capacity of the transistor.

Power Dissipation (Ptot): This specification represents the maximum power the transistor can dissipate without exceeding its temperature limits. The BC547 can handle a maximum power dissipation of 500mW.

Transition Frequency (fT): The BC547 typically has a transition frequency of 150MHz, indicating its high-frequency performance, making it suitable for amplifier applications.

Collector-Emitter Saturation Voltage (VCE(sat)): The VCE(sat) is the voltage drop across the collector-emitter junction when the transistor is fully saturated. BC547 exhibits a low VCE(sat), making it efficient in switching applications.

Base-Emitter Voltage (VBE): The voltage drop between the base and emitter when a current flows through the base terminal. BC547 typically has a VBE of around 0.65V at a base current of 10mA.

Where to Buy BC547 Transistor

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In summary, the BC547 is a versatile NPN transistor encapsulated in a TO-92 package. It can withstand a collector-emitter voltage of 45V and a collector-base voltage of 50V.

With a maximum continuous collector current of 100mA and a power dissipation of 500mW, it is suitable for a wide range of small-signal applications. Additionally, its transition frequency of 150MHz makes it ideal for high-frequency amplifier designs.

The BC547’s low saturation voltage and base-emitter voltage of around 0.65V further enhance its performance in switching and amplification circuits.

Overall, the BC547 specs make it a popular choice for many electronic projects, from audio amplifiers and signal amplifiers to sensor interfaces and voltage regulation circuits. Designers and hobbyists can rely on its reliable performance and wide availability to meet their specific circuit requirements.

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