Overview of BD139 by STMicroelectronics
The BD139, manufactured by STMicroelectronics, is an NPN silicon transistor characterized by a collector-emitter voltage of up to 80V and a continuous collector current capacity of 1.5A. It comes in a TO-126 package, a medium power plastic package known for its through-hole mounting capability. The BD139 is designed for linear and switching applications, featuring a power dissipation of 1.25W and a three-pin configuration. This component is ROHS compliant, ensuring it meets current environmental standards regarding the restriction of hazardous substances in electronic and electrical equipment. Unique attributes such as a maximum operating temperature of 150 °C, a DC current gain (hFE) minimum of 25, and a transition frequency nominal (fT) of 250 MHz make it versatile for various electronic functions.
Industry Applications for BD139
The BD139’s specifications lend it to potential applications across a broad spectrum of industries. However, it is crucial to underline that these applications are hypothetical illustrations, needing precise engineering and design verification according to industry standards. Here are a few industries where the BD139 might find potential applications:
- Consumer Electronics: In devices like audio amplifiers, power management modules, and control circuits, the BD139 could be used due to its ample collector-emitter voltage and current handling capabilities. Its use in amplifiers benefits from the transistor’s high transition frequency and DC current gain.
- Industrial Automation: The BD139’s robust operating temperature range and power dissipation characteristics could make it suitable for motor control circuits, power supply systems, and automation control units that require reliable performance under varying environmental conditions.
- Aerospace and Defense: Given its high power dissipation and ability to operate at elevated temperatures, the BD139 might be utilized in power regulation and signal amplification circuits within aerospace and defense applications, provided it meets specific industry standards.
- Computing and Data Storage: In computing applications, the BD139 could potentially be used in power distribution systems and as part of the switching circuits that manage power within servers and data storage units.
- Telecommunications: For signal amplification and switching applications within telecommunications equipment, where reliability and performance are critical, the BD139 could find utility.
Please remember, these potential industry applications are conceptual and necessitate thorough analysis and validation by engineering teams to meet specific requirements and standards.
About STMicroelectronics
STMicroelectronics is a global leader in the semiconductor market, renowned for its extensive range of electronic components, including a wide array of transistors. Within the realm of Power Bipolar Transistors, STMicroelectronics has established a reputation for quality, reliability, and innovation. The BD139 is a testament to their commitment to providing advanced electronic solutions that meet the evolving needs of the industry. STMicroelectronics manufactures a variety of similar parts to BD139, catering to a broad audience, from consumer electronics to industrial applications.
Where to Find BD139 by STMicroelectronics
To purchase the BD139 or find alternate Power Bipolar Transistors that might be suitable for your project, explore findchips.com. Findchips provides real-time pricing and availability from multiple distributors, ensuring you can make the best procurement decision for your needs. Historically, the BD139 has been available from distributors including LCSC, Avnet Silica, Chip 1 Exchange, and TME, as well as Future Electronics, STMicroelectronics, Mouser Electronics, and DigiKey among others. However, stock levels and pricing are subject to change, and current information can always be found on findchips.com.