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On Nov 19, 2025


MMBT3906 Bipolar Transistors - BJT by Diotec – Reliable PNP Switching & Amplification


Introduction

The Bipolar Transistors - BJT MMBT3906 by Diotec is a compact PNP transistor widely used in low-power amplification and switching circuits. As part of the Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT family, it delivers dependable performance, high gain stability, and low saturation voltage.

Available globally at www.xonelec.com, the MMBT3906 is designed for consumer electronics, industrial systems, signal processing boards, and general-purpose applications.


Technical Specifications

  • Manufacturer: Diotec

  • Part Number: MMBT3906

  • Type: PNP Bipolar Transistors - BJT

  • Collector-Emitter Voltage (Vce): –40V

  • Collector Current (Ic): –200mA

  • Power Dissipation (Pd): 625mW

  • DC Current Gain (hFE): 100–300

  • Transition Frequency (fT): 250MHz

  • Package: SOT-23

  • Category: Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT

The MMBT3906 ensures reliable PNP transistor operation with stable gain and efficient low-power performance.


Key Features

  • High DC gain for low-power amplification

  • Fast switching with low saturation voltage

  • Stable performance across temperature variations

  • Compact SOT-23 package for tight PCB layouts

  • Ideal for complementary low-power circuits

These features make it a preferred choice in Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT applications.


Applications

The MMBT3906 Bipolar Transistors - BJT by Diotec is widely used in:

  • Signal amplification circuits

  • Low-power switching stages

  • Complementary transistor pair designs

  • General-purpose analog circuits

  • Communication and instrumentation systems

Its stable PNP design is ideal for Discrete Semiconductors in precision electronic applications.


Wiring and Connection Overview

  • Pin 1 – Base (B): Controls transistor operation

  • Pin 2 – Emitter (E): Typically connected to positive supply

  • Pin 3 – Collector (C): Output signal path

The SOT-23 package supports easy integration for Transistors, Bipolar Transistors - BJT in compact designs.


Use Case Scenario – Low-Power Signal Conditioning Module

Scenario: A compact portable device required a reliable PNP transistor for low-power signal conditioning.
Problem: Conventional BJTs produced instability at low current levels.
Solution: The MMBT3906 Bipolar Transistors - BJT by Diotec provided high gain stability and low noise.
Result: Improved signal accuracy and consistent device performance even under variable load conditions.

This highlights its advantages in Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT-based circuits.


Download Datasheet for MMBT3906

 Download the MMBT3906 Datasheet from XON Electronics.


Also Available from Other Manufacturers

XON Electronics offers MMBT3906 and equivalent Bipolar Transistors - BJT from:


Why Buy from XON Electronics?

Purchase the MMBT3906 from www.xonelec.com and enjoy:

  • 100% genuine Diotec components

  • Delivery across USA, India, Australia, Europe & other regions

  • Bulk order discounts and OEM support

  • Fast and secure global shipping

  • Trusted supplier for Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT


Conclusion

The MMBT3906 Bipolar Transistors - BJT by Diotec offers dependable amplification, fast switching, and stable PNP operation for modern electronics. As part of the Semiconductors, Discrete Semiconductors, Transistors, Bipolar Transistors - BJT category, it is a preferred component for compact and high-performance designs.

Buy the MMBT3906 today from www.xonelec.com and power your circuits with reliable Diotec technology.


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