
( Brand: Toshiba ), ( Model: 2SC494 ), ( Modified Item: No ), ( Country/region Of Manufacture: Japan )
The TOSHIBA 2SC494 is a high-power, NPN silicon transistor quad set that is widely used in various electronic applications due to its robust performance and reliability. Each transistor in the set has a collector-emitter voltage rating of 100V and a maximum collector current of 2A, making it ideal for driving medium power loads.
The 2SC494 transistors feature a high beta (hfe) of 100, which means they can easily amplify small input signals to drive larger loads. They also have a fast switching speed, with a cutoff frequency (fT) of 200MHz, allowing them to handle high-frequency signals with minimal distortion.
One of the standout features of the 2SC494 is its high power gain, which can significantly reduce the power consumption of the circuit. This is particularly important in battery-powered devices, where every milliwatt saved counts.
The transistors in the set are housed in TO-92 packages, which are small and compact, making them easy to integrate into a wide range of designs. They also have a thermal resistance (Rth) of 25 C/W, which means they can dissipate heat efficiently, preventing overheating and ensuring long-term reliability.
In summary, the TOSHIBA 2SC494 quad set is a versatile and powerful solution for driving medium power loads in a variety of electronic applications. Its high power gain, fast switching speed, and robust performance make it an ideal choice for designers looking for reliable and efficient transistor solutions.
Pros of buying TOSHIBA 2SC494 Transistors Quad Set:1. Reliability: TOSHIBA is a well-known and reputable brand in the electronics industry, known for its high-quality components. The 2SC494 transistors are widely used in various applications due to their reliability.
2. Wide Operating Voltage Range: The 2SC494 transistors have a wide operating voltage range, from -10V to 100V, making them suitable for a variety of power supply requirements.
3. High Power Handling Capacity: These transistors have a high power handling capacity, up to 100W, which makes them suitable for applications that require high power output.
4. Low Noise: The 2SC494 transistors have a low noise level, which is beneficial in applications that require high signal-to-noise ratio.
Cons of buying TOSHIBA 2SC494 Transistors Quad Set:1. Cost: TOSHIBA transistors are generally more expensive than some other brands. This may be a disadvantage for budget-conscious consumers.
2. Availability: TOSHIBA transistors may not be as widely available as some other brands, which may make it more difficult to find them in local stores or online.
3. Limited Applications: While the 2SC494 transistors are widely used, they may not be suitable for all applications. For example, they may not be suitable for high-frequency applications due to their relatively slow switching speed.
Conclusion:If reliability, power handling capacity, and low noise level are important factors for you, then the TOSHIBA 2SC494 transistors are a good choice. However, if cost and availability are more important factors, you may want to consider other brands that offer similar specifications at a lower price point.
Recommendation:If you are looking for a reliable and high-quality transistor set for your project, the TOSHIBA 2SC494 transistors are a good choice. However, it is always a good idea to compare prices and specifications from multiple suppliers to ensure you are getting the best value for your money.
This was pulled from a working amp. See pictures for condition. Available are 4 2SC494 matched transistors. Tested on my b k transistor tester, they appear to be matched.
I will include the insulators.