Part Number: BC548
Function : 30V, 100mA, NPN Transistor
Package: TO-92 Type
Manufacturer: Fairchild Semiconductor
Fairchild Semiconductor was acquired by ON Semiconductor Corporation in 2016. ON Semiconductor is a leading supplier of semiconductor-based solutions, with a focus on power and analog applications.
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What is BC548?
This is 30V, 100mA, NPN Epitaxial Silicon Transistor.
BC548 is a general-purpose NPN transistor that is widely used in electronic circuits for amplification and switching applications. It is commonly used in low to medium power applications due to its low voltage and current ratings.
The BC548 transistor has a maximum voltage rating of 30V and a maximum current rating of 100mA. It has a gain range of 110 to 800, which makes it suitable for use in a wide range of low to medium power amplification and switching applications.
Pros:
1. Low cost: The transistor is widely available and has a low cost, making it a popular choice for many electronic circuits.
2. High gain: The transistor has a high gain range of 110 to 800, which makes it suitable for use in low to medium power amplification applications.
3. Versatile: The transistor is a versatile transistor that can be used in a wide range of electronic circuits.
Cons:
1. Low voltage and current ratings: The transistor has a maximum voltage rating of 30V and a maximum current rating of 100mA, which limits its use in high power applications.
2. Limited frequency response: The transistor has a limited frequency response, which makes it unsuitable for use in high-frequency applications.
Applications of the BC548 transistor
1. Audio amplifiers: The transistor can be used in small audio amplifier circuits, such as headphone amplifiers.
2. Switching circuits: The transistor can be used in low power switching circuits, such as LED drivers and relay drivers.
3. Oscillators: The transistor can be used in oscillator circuits, such as crystal oscillators and Colpitts oscillators.
4. Voltage regulators: The transistor can be used in voltage regulator circuits, such as simple voltage regulators and current regul
Features
1. Switching and Amplifier
2. High-Voltage : BC546, Vceo = 65V
3. Low-Noise : BC548, Vceo = 30V, BC549, BC550
Pinout
It has three terminals: the collector, the emitter, and the base. The collector is connected to the positive supply voltage, the emitter is connected to the load or ground, and the base is used to control the flow of current between the collector and the emitter.
Absolute Maximum Ratings :
1. Collector-Base Voltage: Vcbo = 30V
2. Collector-Emitter Voltage: Vceo = 30V
3. Emitter-Base Voltage: Vebo = 5V
4. Collector Current (DC) = 100mA
5. Collector Power Dissipation : Pc = 500mW
BC548 Pinout Datasheet
