About the Product
The MMBT3906 is a high-performance PNP bipolar junction transistor (BJT) designed for switching and amplification applications. With a voltage rating of 40V, current handling up to 200mA, and power dissipation of 200mW, it provides reliable performance in compact designs. Featuring a 300MHz transition frequency and housed in a SOT-23-3 surface mount package, the MMBT3906 is widely used for Whatsminer M20S and M21S hashboard repair, control circuits, and PSU maintenance.

Key Features:

  • PNP transistor with 40V / 200mA rating

  • High transition frequency (300MHz) for fast switching

  • 200mW power dissipation in compact form factor

  • Surface Mount SOT-23-3 package for space-efficient designs

  • Trusted choice for Whatsminer hashboard and PSU repair