Overview
The onsemi BC547BTA is a general-purpose NPN bipolar junction transistor (BJT) designed for use in a wide range of linear and switching applications. It is housed in a TO-92 package, which is suitable for through-hole PCB assembly and offers medium power handling capabilities. This transistor is part of onsemi's family of small signal NPN transistors, known for their high reliability, minimal size, and maximum thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | - |
| Maximum DC Collector Current | 100 | mA |
| Maximum Collector Emitter Voltage | 45 | V |
| Maximum Collector Base Voltage | 50 | V |
| Maximum Emitter Base Voltage | 6 | V |
| Maximum Power Dissipation | 500 | mW |
| Minimum DC Current Gain (hFE) | 200, 420 | - |
| Maximum Operating Frequency | 300 | MHz |
| Maximum Operating Temperature | +150 | °C |
| Package Type | TO-92 | - |
| Mounting Type | Through Hole | - |
| Pin Count | 3 | - |
| Dimensions | 5.33 x 5.2 x 4.19 mm | - |
Key Features
- High Current Gain: The BC547BTA has a minimum DC current gain (hFE) of 200 to 420, making it suitable for amplification and switching applications.
- High Frequency Operation: It operates up to a frequency of 300 MHz, which is beneficial for high-frequency applications.
- Low Power Dissipation: The transistor has a maximum power dissipation of 500 mW, ensuring efficient operation in various circuits.
- Compact Package: The TO-92 package is designed for minimal size and high reliability, making it ideal for space-constrained designs.
- Lead-Free and RoHS Compliant: The BC547BTA is available in lead-free packages, complying with RoHS directives and environmental standards.
Applications
- General Purpose Amplification: The BC547BTA is widely used in general-purpose amplifier circuits due to its high current gain and moderate power handling capabilities.
- Switching Circuits: It is suitable for low to medium speed switching applications, such as in digital logic circuits and power switching.
- Audio Amplifiers: The transistor can be used in the driver stage of audio frequency (AF) amplifiers.
- Protection Circuits: It can be used in various protection circuits, including ESD protection, polarity reversal protection, and inductive load protection.
Q & A
- What is the maximum collector current of the BC547BTA transistor?
The maximum DC collector current is 100 mA.
- What is the maximum collector-emitter voltage of the BC547BTA transistor?
The maximum collector-emitter voltage is 45 V.
- What is the package type of the BC547BTA transistor?
The BC547BTA is housed in a TO-92 package.
- What is the maximum operating frequency of the BC547BTA transistor?
The maximum operating frequency is 300 MHz.
- What is the minimum DC current gain (hFE) of the BC547BTA transistor?
The minimum DC current gain (hFE) is 200 to 420.
- Is the BC547BTA transistor lead-free and RoHS compliant?
Yes, the BC547BTA is available in lead-free packages and is RoHS compliant.
- What are the typical applications of the BC547BTA transistor?
It is used in general-purpose amplification, switching circuits, audio amplifiers, and various protection circuits.
- What is the maximum power dissipation of the BC547BTA transistor?
The maximum power dissipation is 500 mW.
- What is the maximum operating temperature of the BC547BTA transistor?
The maximum operating temperature is +150 °C.
- Is the BC547BTA transistor suitable for high-frequency applications?
Yes, it is suitable for high-frequency applications up to 300 MHz.
