Overview
The BC546BTAR is a bipolar NPN transistor produced by onsemi, widely used in electronic circuits for switching and signal amplification. This transistor is known for its high efficiency, stability, and ability to operate over a wide range of voltages and currents. It is particularly suited for applications requiring low noise and high frequency performance, such as in audio pre-amplifier designs and small signal amplifiers.
Key Specifications
| Parameter | Value |
|---|---|
| Type | NPN |
| Mounting Type | Through Hole |
| Package / Case | TO-92-3 (TO-226AA) (Formed Leads) |
| Operating Temperature | 150°C TJ |
| Power - Max | 500mW |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 200 @ 2mA 5V |
| Current - Collector Cutoff (Max) | 15nA ICBO |
| Vce Saturation (Max) @ Ib, Ic | 600mV @ 5mA, 100mA |
| Voltage - Collector Emitter Breakdown (Max) | 65V |
| Current - Collector (Ic) (Max) | 100mA |
| Frequency - Transition | 300MHz |
Key Features
- High Frequency Operation: The BC546BTAR has a maximum switching frequency of 300 MHz, making it suitable for high-frequency applications.
- Low Noise Amplification: It is commonly used in low noise amplifier designs due to its high gain value and low noise characteristics.
- High Voltage Capability: The transistor can handle a maximum collector-emitter voltage of 65V, making it suitable for high voltage audio amplifier applications.
- Compact Packaging: Available in a standard TO-92 housing, known for its small size, low manufacturing cost, and ease of assembly.
- Current Gain: The DC current gain (hFE) ranges from 200 to 800, indicating its strong signal amplification capability.
Applications
- High Voltage, Low Noise Amplifier Designs: Ideal for audio pre-amplifier circuits and other high voltage applications requiring low noise.
- Switching Small Loads: Suitable for switching applications where the load current is less than 100mA.
- Small Signal Amplifiers: Used in various small signal amplification circuits due to its high gain and low noise characteristics.
- Darlington Pair: Can be used in Darlington pair configurations to increase the current gain.
- Pre-amplifier Circuits and Audio Noise Filters: Commonly used in pre-amplifier circuits and audio noise filters due to its low noise and high gain.
Q & A
- What is the BC546BTAR transistor used for? The BC546BTAR is used for switching and signal amplification in electronic circuits.
- What is the maximum power handling of the BC546BTAR transistor? The maximum power handling is 500mW.
- What is the maximum collector-emitter voltage of the BC546BTAR transistor? The maximum collector-emitter voltage is 65V.
- What is the maximum collector current of the BC546BTAR transistor? The maximum collector current is 100mA.
- What is the typical current gain (hFE) range of the BC546BTAR transistor? The typical current gain (hFE) range is from 200 to 800.
- What is the maximum switching frequency of the BC546BTAR transistor? The maximum switching frequency is 300 MHz.
- In what package is the BC546BTAR transistor available? It is available in a standard TO-92 housing.
- What are some common applications of the BC546BTAR transistor? Common applications include high voltage, low noise amplifier designs, switching small loads, and small signal amplifiers.
- Can the BC546BTAR transistor be used in high current applications? No, it is not suitable for high current applications as it has a maximum collector current of 100mA.
- Is the BC546BTAR transistor suitable for high frequency applications? Yes, it is suitable for high frequency applications due to its high switching frequency.
