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Item #:
144080888
10PCS CMPTA44 NPN Transistor 300mA 400V BJT SOT-23 Marking C3Z
Item #:
144080888
AUD 27
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Imported from USA store
QTY:
Order now and get it around Monday, August 03
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What Stands Out
High Voltage Capacity
With a voltage rating up to 400V, these transistors ensure reliable performance in high-voltage applications, making them ideal for various electronic projects and circuits.
Compact Design
Housed in a SOT-23 package, these transistors offer a space-saving solution, allowing for efficient use of board space in compact electronic devices and assemblies.
Batch Quantity
Sold in a set of 10, this product provides excellent value for hobbyists and professionals alike, ensuring adequate supply for multiple projects without frequent reordering.
Product Details
| Item Weight | 0.02 lbs (10 grams) |
Who Should Buy?
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Hobby Electronics
Ideal for DIY projects involving low to medium power applications using transistors for switching or amplification.
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Educational Purposes
Great for students learning about basic electronics and transistors in lab setups or practice circuits.
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Circuit Repairs
Suitable for electronics enthusiasts needing to replace faulty transistors in various devices like audio equipment.
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High Power Applications
Not suitable for applications requiring more than 300mA or high voltage scenarios above 400V efficiently.
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Professional Use
May not meet stringent specifications required for commercial electronics in professional settings or critical applications.
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Specialized Electronics
Not ideal for projects needing specific transistor characteristics like high frequency or precision low-noise requirements.
Product Description
10PCS CMPTA44 NPN Transistor 300mA 400V BJT SOT-23 Marking C3Z
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of applications can the CMPTA44 transistor be used for?
Answer: The CMPTA44 NPN transistor is widely used in switching and amplification applications. It is ideal for low to medium power devices, such as electronic switching devices, audio amplifiers, and signal processing circuits. Its ability to handle a current of 300mA and a high voltage of 400V makes it suitable for both consumer electronics and industrial applications. For example, in a small audio amplifier, the CMPTA44 can efficiently amplify audio signals while maintaining clarity. -
Question:
What is the significance of the SOT-23 package for the CMPTA44 transistor?
Answer: The SOT-23 package used for the CMPTA44 transistor is a compact surface-mount design that saves PCB space and simplifies assembly. This package type is beneficial for applications where board real estate is limited, such as in portable electronics. Additionally, the SOT-23 package aids in heat dissipation, which enhances performance reliability, particularly in high-frequency applications. In practice, this means you can design smaller, more efficient electronic devices without sacrificing performance. -
Question:
How does the CMPTA44 compare to other transistors in terms of performance?
Answer: The CMPTA44 offers a unique combination of high voltage handling (400V) and moderate current rating (300mA), making it a reliable choice in high-power applications compared to standard low-power transistors. This capability allows it to operate effectively in challenging environments where voltage spikes are common. Engineers often prefer the CMPTA44 for applications like motor control circuits or high-voltage signal processing where other transistors may fail. -
Question:
Can the CMPTA44 transistor be used for high-frequency applications?
Answer: Yes, the CMPTA44 transistor can be used in high-frequency applications, particularly in RF amplifiers and signal modulation. Its design allows for efficient signal amplification without significant distortion, making it ideal for communication devices. When integrated into a circuit designed for high-frequency usage, such as in radio transmission or reception equipment, the CMPTA44 can maintain quality performance, ensuring clear and robust transmission. -
Question:
What are the key electrical characteristics of the CMPTA44?
Answer: The key electrical characteristics of the CMPTA44 include a maximum collector current of 300mA, a collector-emitter voltage of 400V, and a power dissipation rating that supports diverse applications. Additionally, it has a transition frequency that ensures adequate performance in switching applications. This balance of capabilities allows designers to utilize this transistor in varied environments, such as consumer electronics, where both efficiency and reliability are critical. -
Question:
What is the typical amplification factor of the CMPTA44?
Answer: The typical current gain (hFE) of the CMPTA44 ranges from 50 to 150 depending on operating conditions. This signifies that the transistor can amplify input signals significantly, providing adequate power to drive larger loads. For instance, in audio applications, such amplification allows small sound signals from microphones to be boosted sufficiently to drive speakers effectively, maintaining sound clarity and volume without distortion. -
Question:
What is the maximum temperature rating for the CMPTA44?
Answer: The CMPTA44 transistor has a maximum junction temperature rating of about 150°C, enabling it to operate effectively in high-temperature environments. This feature is crucial in applications where heat generation is inevitable, such as in power supply circuits or during prolonged operation in electronics. Understanding this rating allows designers to incorporate adequate heat management solutions in their circuits, ensuring longevity and performance consistency. -
Question:
Are there any specific precautions to take when using the CMPTA44?
Answer: Yes, it's important to handle the CMPTA44 with care, particularly regarding electrostatic discharge (ESD) protection, as it can be sensitive to static electricity. Also, adequate heat dissipation measures must be in place to prevent thermal overload. In practice, using proper circuit design strategies like heat sinks or thermal pads helps in sustaining the transistor's operational longevity while ensuring circuit reliability. -
Question:
Where can I buy 10PCS CMPTA44 NPN Transistor 300mA 400V BJT SOT-23 Marking C3Z in Australia?
Answer: You can purchase the 10PCS CMPTA44 NPN Transistor from Ubuy in Australia. Ubuy is a well-established online retailer that specializes in providing electronic components, ensuring a wide selection and accessibility. By shopping at Ubuy, you can find reliable options and comprehensive product information to assist you in your purchasing decision. -
Question:
What tools are required for working with the CMPTA44 transistor?
Answer: To work effectively with the CMPTA44 transistor, standard electronic tools such as a soldering iron, multimeter, and PCB design software are essential. Soldering is necessary for mounting the transistor onto circuit boards, while a multimeter can help in testing voltage and current parameters during setup. Moreover, PCB design software allows engineers to simulate and optimize circuit layouts, facilitating precise integration into electronic projects.
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AUD 27
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Features & Benefits
- Includes 10PCS of high-quality CMPTA44 NPN Transistors.
- Ideal for various electronic applications with a current rating of 300mA.
- Operates at a maximum voltage of 400V.
- Compact SOT-23 package ensures easy integration into your projects.
- Perfect for prototyping and testing scenarios.
- Bulk pricing available for larger quantities—contact us for special offers.
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