
( Brand: Cbs ), ( Manufacturer Part Number: 2N155 )
The 2N155 CB Sot23-3 is a power transistor, specifically a NPN type, that is widely used in various electrical applications due to its excellent performance and reliability. This transistor is manufactured by Philips, a renowned company in the semiconductor industry.
The 2N155 CB has a collector-emitter voltage rating of 100V, making it suitable for applications with moderate voltage levels. It boasts a collector current of 2A, which is sufficient for many low to medium power applications. The device also features a maximum collector-emitter dissipation of 62W, ensuring efficient power handling.
One of the standout features of the 2N155 CB is its high transition frequency of 200MHz, which allows it to quickly switch between states, making it ideal for high-frequency applications such as switched-mode power supplies and audio amplifiers. Its maximum collector-emitter saturation voltage is 0.1V, indicating its ability to provide a nearly constant current output.
The 2N155 CB is housed in a compact SOT23-3 package, which is a surface mount device. This makes it easy to incorporate into printed circuit boards, saving on board space. The device is also available in a TO-92 package, which is a through-hole package, for applications that require a more traditional mounting method.
The 2N155 CB is known for its high level of reliability, with a maximum junction temperature rating of 150 C. Its long-term stability and high power gain make it a popular choice for a wide range of applications.
In conclusion, the 2N155 CB Sot23-3 is a versatile and reliable power transistor that is well-suited for applications requiring moderate voltage and current levels, high frequency switching, and efficient power handling. Its compact size, high reliability, and excellent performance make it an indispensable component in many electronic circuits.
Pros of buying a 2N155 CBs Power Transistor:1. Wide Operating Voltage Range: The 2N155 CBs Power Transistor has a wide operating voltage range of -40 C to 150 C. This makes it suitable for various applications where temperature variations are expected.
2. High Power Handling Capacity: The 2N155 CBs Power Transistor can handle a maximum collector-emitter power of 100 watts at a collector-emitter voltage of 100 volts. This makes it suitable for high power applications.
3. Good Current Gain: The 2N155 CBs Power Transistor has a current gain (hFE) of 20 at a collector current of 100 milliamperes (mA). This means that for every 100 milliamperes of current flowing into the base, 20 milliamperes will flow into the collector.
4. Low On-State Resistance: The 2N155 CBs Power Transistor has a low on-state resistance, which allows it to efficiently conduct current.
Cons of buying a 2N155 CBs Power Transistor:1. Limited Frequency Response: The 2N155 CBs Power Transistor has a limited frequency response, with a maximum frequency of operation of 10 MHz. This means it may not be suitable for high frequency applications.
2. High Saturation Voltage: The 2N155 CBs Power Transistor has a high saturation voltage of 2.5 volts. This means that a significant voltage drop is required to turn the transistor off, which can result in power loss.
3. Limited Collector-Emitter Voltage Rating: The 2N155 CBs Power Transistor has a limited collector-emitter voltage rating of 100 volts. This means it may not be suitable for applications where higher voltage levels are required.
Conclusion:The 2N155 CBs Power Transistor is a suitable choice for high power applications where temperature variations are expected and a wide operating voltage range is required. However, its limited frequency response, high saturation voltage, and limited collector-emitter voltage rating may limit its suitability for certain applications.
Recommendation:If you are looking for a power transistor for high power applications, the 2N155 CBs Power Transistor could be a good option. However, it is important to consider the specific requirements of your application to ensure that the 2N155 CBs Power Transistor is the best fit for your needs. If you require a transistor with a higher frequency response or higher voltage rating, you may need to consider alternative options.