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MMBT5550 from ON,ON Semiconductor

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MMBT5550

Manufacturer: ON, MOTO, DIODES, FAIRCHILD

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
MMBT5550 ON, MOTO, DIODES, FAIRCHILD 158059 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor **Enhance Your Circuit Designs with the MMBT5550 Transistor**  

The MMBT5550 is a high-performance NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and efficiency, this compact surface-mount component is widely used in consumer electronics, industrial controls, and communication systems.  

Featuring a collector-emitter voltage (VCE) of 140V and a continuous collector current (IC) of 600mA, the MMBT5550 delivers robust performance in medium-power circuits. Its high current gain (hFE) ensures excellent signal amplification, making it ideal for audio stages, signal processing, and driver circuits. The transistor’s fast switching speed also makes it suitable for pulse and digital applications.  

Packaged in a small SOT-23 form factor, the MMBT5550 offers space-saving advantages without compromising performance. Its low saturation voltage minimizes power loss, enhancing energy efficiency in battery-operated devices. Additionally, the component’s thermal stability ensures consistent operation across a wide temperature range, making it a dependable choice for demanding environments.  

Engineers and designers appreciate the MMBT5550 for its versatility and ease of integration into various circuit layouts. Whether used in amplifiers, voltage regulators, or switching modules, this transistor provides a cost-effective solution without sacrificing quality.  

For those seeking a reliable, high-voltage NPN transistor with excellent amplification and switching characteristics, the MMBT5550 stands out as a top contender. Its combination of performance, compact design, and durability makes it an essential component in modern electronic designs.

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • 2N5550 --: Through-hole TO-92 version of the same NPN high-voltage transistor; identical electrical characteristics, suitable when board space allows leaded parts.
  • PZT5550 --: SOT-223 surface-mount NPN transistor with comparable voltage and current ratings, offering better thermal performance as a drop-in style alternative.
  • FMMT5550 --: SOT-23 NPN high-voltage transistor with similar VCEO and current ratings, pin-compatible with the original SOT-23 footprint.
  • BCX70 --: General-purpose SOT-23 NPN transistor with similar small-signal characteristics, usable when exact 140V rating is not critical.

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