(Pack of 5) MMBT5551 NPN High Voltage Transistor SMD SOT-23 Package

(Pack of 5) MMBT5551 NPN High Voltage Transistor SMD SOT-23 Package

The MMBT5551 is a high-voltage NPN general-purpose transistor designed for medium-current switching and signal amplification applications. With a collector-emitter voltage of 160V and a collector current of 600mA, it delivers excellent gain, high-speed switching, and reliable operation in compact surface-mount circuits.

Encased in a SOT-23 surface-mount package, the MMBT5551 is ideal for space-constrained PCB designs and automated assembly lines, providing efficient performance in high-voltage applications. Its high voltage rating and low saturation voltage make it perfect for signal amplification, driver circuits, and switching applications in both consumer and industrial electronics.

This pack of 5 transistors is perfect for prototyping, repairs, and small-scale production, offering consistent quality and reliable performance.

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Features:

• Transistor Type: NPN High Voltage General-Purpose Transistor
• Package: SMD SOT-23 (compact, easy to mount)
• Collector-Emitter Voltage (V_CE): 160V
• Collector Current (I_C): 600mA
• DC Current Gain (hFE): 80–400 (typical)
• High-Speed Switching: Suitable for digital and control circuits
• Compact SMD Design: Ideal for high-density PCB layouts
• Reliable Performance: Handles high-voltage applications efficiently
• Pack of 5: Convenient quantity for prototyping or repair

Applications:

• High-Voltage Switching Circuits: Efficient operation under high-voltage conditions
• Signal Amplification: Medium-current signal amplification for analog and digital circuits
• Driver Circuits: Relay, LED, and sensor drivers in consumer and industrial electronics
• Consumer Electronics: Audio amplifiers, portable devices, and communication circuits
• Industrial Automation: Reliable high-voltage switching for control systems
• Educational & Prototyping Projects: Great for labs and DIY electronics
• Complementary Pairing: Can be paired with MMBT5401 (PNP) for high-voltage push-pull stages