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MMDT3946-7 from DIODES

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MMDT3946-7

Manufacturer: DIODES

COMPLEMENTARY NPN/PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR

Partnumber Manufacturer Quantity Availability
MMDT3946-7,MMDT39467 DIODES 1927 In Stock

Description and Introduction

COMPLEMENTARY NPN/PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR **Introduction to the MMDT3946-7 Dual NPN/PNP Transistor**  

The MMDT3946-7 is a high-performance dual complementary transistor designed for small-signal amplification and switching applications. This surface-mount device integrates a matched pair of NPN and PNP bipolar junction transistors (BJTs) in a compact SOT-363 package, making it ideal for space-constrained designs.  

Engineered for precision and efficiency, the MMDT3946-7 offers excellent current gain matching between its transistors, ensuring reliable performance in differential amplifier circuits, signal processing, and logic-level switching. With a maximum collector current of 200 mA and a voltage rating of 40 V, it provides sufficient drive capability for low-power applications while maintaining low saturation voltage.  

Key features include fast switching speeds, low noise, and high current gain (hFE), making it suitable for audio amplification, sensor interfaces, and digital control circuits. Its dual-transistor configuration simplifies board layout by reducing component count and improving thermal performance.  

The MMDT3946-7 is widely used in portable electronics, communication devices, and embedded systems where efficiency and compactness are critical. Its robust construction and consistent electrical characteristics ensure long-term reliability in demanding environments.  

For designers seeking a balanced, high-performance dual transistor solution, the MMDT3946-7 delivers a versatile and dependable option for modern electronic circuits.

Application Scenarios & Design Considerations

COMPLEMENTARY NPN/PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR

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