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MMBT5551M3T5G

MMBT5551M3T5G Description

The MMBT5551M3T5G from onsemi is a high-performance NPN bipolar junction transistor (BJT) designed for surface-mount applications. Packaged in SOT-723, this compact transistor offers a collector-emitter breakdown voltage (V_CEO) of 160V and a maximum collector current (I_C) of 60mA, making it suitable for low-power switching and amplification tasks. With a low V_CE(sat) of 200mV at 5mA base current and 50mA collector current, it ensures efficient operation in energy-sensitive designs. The device boasts a minimum DC current gain (h_FE) of 80 at 10mA and 5V, ensuring reliable signal amplification.

MMBT5551M3T5G Features

• High Voltage Tolerance: 160V V_CEO for robust performance in high-voltage circuits.
• Low Saturation Voltage: 200mV @ 5mA I_B, 50mA I_C minimizes power loss.
• Compact SOT-723 Package: Ideal for space-constrained PCB designs.
• Low Leakage Current: Collector cutoff current as low as 50nA enhances efficiency.
• Wide Operating Range: Supports -55°C to +150°C junction temperatures.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.

MMBT5551M3T5G Applications

This transistor excels in:

• High-Voltage Signal Amplification: Audio preamps, sensor interfaces.
• Switching Circuits: Relay drivers, LED drivers, and low-power load control.
• Portable Electronics: Battery-operated devices requiring minimal power dissipation.
• Industrial Control Systems: Automation and precision control due to its stable h_FE.
• Telecom & Networking: Signal conditioning in communication modules.

Conclusion of MMBT5551M3T5G

The MMBT5551M3T5G stands out for its high-voltage capability, low saturation loss, and compact form factor, making it a versatile choice for modern electronics. Its balance of performance, efficiency, and reliability makes it ideal for designers seeking a cost-effective solution for amplification and switching in demanding environments. With onsemi’s proven quality and compliance with global standards, this transistor is a dependable component for both industrial and consumer applications.