DiodesZetex Small Signal NPN Transistor 200 mA 160 V 3-Pin SOT-323 MMST5551-7-F

DiodesZetex MMST5551-7-F is a high-performance small signal NPN transistor designed for surface mount technology (SMT) applications. It features a 3-pin SOT-323 package that is compact and well suited for modern electronic circuit boards.

With a maximum DC collector current of 200 mA and a collector emitter voltage rating of 160 V, this transistor is ideal for low power amplification and switching applications in both industrial and automotive electronics. It can reliably operate in temperature environments ranging from -55°C up to 150°C, maintaining stable performance across a wide range of conditions.

The transistor exhibits a minimum DC current gain (hFE) of 30 and a maximum transition frequency of 300 MHz, making it suitable for high frequency signal amplification and switching tasks. Power dissipation is limited to 200 mW, ensuring low thermal impact in tightly packed circuits.

This MMST series device also conforms to the automotive industry standard AEC-Q101, adding to its reliability in automotive electronics and harsh environment applications. The 3-pin design simplifies integration into various electronic devices requiring bipolar junction transistors.

Common applications for this transistor include signal amplification, switching in power management, and general-purpose use in automotive, industrial control systems, and consumer electronics. Its small form factor supports dense PCB layouts and modern compact electronic designs.

This transistor is designed for surface mount applications. Maximum collector current is rated at 200 mA for reliable operation. Maximum collector emitter voltage rating of 160 V allows use in high voltage circuits. Small package size enhances compact PCB design and efficient space utilization.

Low power dissipation of 200 mW supports low heat generation. Operating temperature range from -55°C to 150°C ensures performance stability in various environments. Features automotive standard AEC-Q101 qualification for automotive applications.

Transition frequency up to 300 MHz supports high frequency switching and amplification. Pin count is 3 for common transistor configuration. Guaranteed minimum DC current gain (hFE) of 30 enables consistent transistor gain performance.

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