DiodesZetex Small Signal NPN Transistor 200 mA, 40 V, 3-Pin Surface Mount SOT-323 MMST3904-7-F

DiodesZetex MMST3904-7-F is a small signal NPN bipolar junction transistor designed for performing amplification and switching in electronic circuits. It supports a maximum DC collector current of 200 mA and a collector-emitter voltage of 40 V, suitable for general-purpose low-power applications.

This transistor is housed in a compact 3-pin SOT-323 surface mount package with dimensions of 2.2 mm length, 2.2 mm width, and 1.1 mm height, facilitating efficient PCB layout and space savings in modern electronics.

Operating over a wide temperature range from -55°C to 150°C, the MMST3904-7-F transistor maintains reliable performance even in demanding automotive and industrial environments. It meets the AEC-Q101 automotive standard, ensuring enhanced durability and automotive compliance.

The device offers a minimum current gain (hFE) of 30 and a maximum power dissipation of 200 mW, making it ideal for signal amplification at frequencies up to 300 MHz. Its transistor configuration is single NPN with a maximum collector-base voltage of 60 V and maximum emitter-base voltage of 6 V.

Typical applications include use in electronic amplification, switching, signal processing circuits, and automotive-grade electronics. Its surface mount design supports automated assembly and efficient manufacturing.

This transistor supports a maximum power dissipation of 200 mW. It features a minimum DC current gain (hFE) of 30. The device operates over a temperature range from -55°C to 150°C. It provides a maximum transition frequency of 300 MHz for high-frequency applications.

The transistor complies with automotive standard AEC-Q101 for reliability. The compact SOT-323 package measures 2.2 mm by 2.2 mm by 1.1 mm. The device includes 3 pins and a single transistor configuration with NPN polarity.

This product is made in China and is supplied on reel packaging, ready for insertion into machinery to improve production efficiency. It is suitable for industrial, automotive, and consumer electronic applications requiring a reliable small signal transistor.

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