20PCS 10Pair BD139 BD140 TO126 TO-126 new voltage regulator IC 10PCS BD139 + 10PCS BD140

20PCS 10Pair BD139 BD140  TO126 TO-126 new voltage regulator IC 10PCS BD139 + 10PCS BD140

BD139 & BD140 Voltage Regulator IC Kit (20PCS)

Elevate your electronics projects with this essential 20-piece kit featuring 10 pairs of BD139 (NPN) and BD140 (PNP) voltage regulator transistors. Designed for power amplification and voltage regulation, these TO-126 package components are perfect for DIY enthusiasts, engineers, and repair technicians looking for reliable, new-in-stock parts for their next build.

Key Features & Highlights

  • Complete Pairing: Includes 10 x BD139 (NPN) and 10 x BD140 (PNP) transistors, providing balanced pairs for efficient circuit design.
  • Standard TO-126 Package: The compact TO-126 housing allows for easy heat dissipation and fits standard PCB footprints and breadboards.
  • High Reliability: New, unused components ensuring consistent performance in power supply applications, audio amplifiers, and switching circuits.
  • Versatile Application: Ideal for voltage regulation, current amplification, and driving loads in various electronic projects.

Technical Specifications

These transistors are engineered for robust performance in medium-power applications. The BD139 and BD140 series are known for their stable operation across a range of temperatures and voltages, making them a go-to choice for both prototyping and final product assemblies. Whether you are repairing a power supply unit or designing a custom amplifier, this kit provides the necessary components to get the job done right.

Note: Please verify specific electrical ratings (Vceo, Vbe, hFE) against your project requirements before purchase. All items are sold as new and unused.


Price: Original price was: $ 3.97.Current price is: $ 1.98.

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