Overview
The BC547BTAR is a bipolar junction transistor (BJT) produced by onsemi. It is an NPN transistor, meaning it has a negative-positive-negative configuration. This transistor is widely used in various electronic circuits due to its versatility and reliability. The BC547BTAR is available in the TO-92 package, making it suitable for a range of applications including small signal amplification and switching.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN BJT |
| Package | TO-92 |
| Collector-Base Voltage (Vcb) | 45V |
| Collector-Emitter Voltage (Vce) | 45V |
| Emitter-Base Voltage (Vbe) | 6V |
| Continuous Collector Current (Ic) | 100mA |
| Base Current (Ib) | 5mA (maximum) |
| DC Current Gain (hFE) | 110 to 800 |
| Collector Dissipation | 0.3 W |
| Transition Frequency | 100 MHz |
| Operating Junction Temperature | -65 to +175 °C |
| Noise Figure | 2-10 dB |
Key Features
- Bi-Polar NPN Transistor with high current gain (hFE) of up to 800.
- Low base voltage of 6V and maximum base current of 5mA.
- Continuous collector current of 100mA and collector-emitter voltage of 45V.
- Available in TO-92 package, making it easy to integrate into various circuits.
- High transition frequency of 100 MHz, suitable for high-frequency applications.
- Operating junction temperature range of -65 to +175 °C, ensuring reliability in diverse environments.
Applications
The BC547BTAR transistor is versatile and can be used in a variety of applications:
- Small Signal Amplification: Due to its high current gain, it is suitable for amplifying small signals in audio and other electronic circuits.
- Switching: It can be used as a switch in digital circuits, operating in saturation and cut-off regions.
- Pulse-Width Modulation (PWM): It can control the speed of motors or actuators by modulating the pulse width.
- Current Amplifier: It can amplify current in various electronic projects.
Q & A
- What is the maximum collector current of the BC547BTAR transistor?
The maximum collector current is 100mA. - What is the maximum base current for the BC547BTAR transistor?
The maximum base current is 5mA. - What is the typical DC current gain (hFE) of the BC547BTAR transistor?
The DC current gain (hFE) is between 110 and 800. - In what package is the BC547BTAR transistor available?
The BC547BTAR transistor is available in the TO-92 package. - What is the maximum collector-emitter voltage (Vce) of the BC547BTAR transistor?
The maximum collector-emitter voltage (Vce) is 45V. - What are some common applications of the BC547BTAR transistor?
Common applications include small signal amplification, switching, PWM, and current amplification. - What is the operating junction temperature range of the BC547BTAR transistor?
The operating junction temperature range is -65 to +175 °C. - How does the BC547BTAR transistor operate as a switch?
It operates in saturation and cut-off regions by supplying the required base current. - What is the transition frequency of the BC547BTAR transistor?
The transition frequency is 100 MHz. - What is the collector dissipation of the BC547BTAR transistor?
The collector dissipation is 0.3 W.
