BD139 TRANSISTOR TO-126 (LOT OF 20)

The BD139 is a highly versatile NPN bipolar junction transistor (BJT) widely used in various electronic applications. This generous lot of 20 transistors, housed in the TO-126 package, is perfect for hobbyists, students, and professional engineers who require a larger quantity of reliable components. Known for its robust performance, ease of use, and cost-effectiveness, the BD139 is a staple component in amplifier circuits, switching applications, and linear power supplies. Its ability to handle moderate power levels and its compatibility with standard prototyping methods make it an excellent choice for a broad range of projects.

Key specifications of the BD139 transistor include a collector-emitter voltage (VCEO) of 80V, a collector current (IC) of 1.5A, and a power dissipation (PD) of 8W. These parameters make it suitable for applications requiring moderate voltage and current handling. The TO-126 package provides efficient heat dissipation, ensuring reliable operation even under demanding conditions. The transistor's current gain (hFE) typically ranges from 40 to 160, offering good amplification characteristics in various circuit configurations. Its low saturation voltage minimizes power loss and enhances overall efficiency.

The BD139 transistor is commonly used in audio amplifier circuits, serving in both preamplifier and power amplifier stages. Its linear characteristics and low noise performance contribute to high-fidelity audio reproduction. In switching circuits, it can effectively control relays, solenoids, and other inductive loads. Its fast switching speed and low saturation voltage ensure efficient and reliable operation. The transistor is also well-suited for linear power supplies, providing stable and regulated voltage output. Its ability to handle moderate power levels makes it ideal for powering various electronic devices.

This lot of 20 BD139 transistors offers exceptional value, providing a convenient and cost-effective solution for numerous electronic projects. Whether you are building multiple circuits, stocking up for future projects, or replacing faulty components, these transistors deliver the performance and reliability you need. The TO-126 package is easy to work with, allowing for simple and secure mounting on printed circuit boards or breadboards. Manufactured to high-quality standards, these transistors ensure consistent performance and long-term reliability. Unleash your creativity and bring your electronic designs to life with the BD139 transistor.

Don't miss this opportunity to acquire a reliable and versatile transistor in bulk for your electronic endeavors. Order your lot of 20 BD139 transistors today and experience the difference in performance and quality. With its robust construction, stable electrical characteristics, and ease of use, this transistor is sure to become a valuable asset in your electronic component collection. Elevate your projects and achieve outstanding results with the BD139 transistor. Add to cart now and start building!