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PMBT5550 from NXP,NXP Semiconductors

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PMBT5550

Manufacturer: NXP, NXP/PHILIPS

NPN high-voltage transistor

Partnumber Manufacturer Quantity Availability
PMBT5550 NXP, NXP/PHILIPS 6000 In Stock

Description and Introduction

NPN high-voltage transistor **Introduction to the PMBT5550 Transistor**  

The PMBT5550 is a high-performance NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and efficiency, this small-signal transistor is widely used in consumer electronics, industrial controls, and communication systems.  

With a compact SOT-23 package, the PMBT5550 offers excellent thermal and electrical characteristics, making it suitable for space-constrained designs. It features a high current gain (hFE) and low saturation voltage, ensuring optimal performance in low-power circuits. The transistor supports a collector current (IC) of up to 600 mA and a collector-emitter voltage (VCEO) of 40 V, providing versatility across various voltage and current requirements.  

Engineers favor the PMBT5550 for its fast switching speeds and stable operation under varying conditions. Its robust construction ensures durability, while its compatibility with automated assembly processes enhances manufacturing efficiency. Whether used in signal amplification, load switching, or digital logic circuits, the PMBT5550 delivers consistent performance with minimal power dissipation.  

For designers seeking a dependable and cost-effective transistor, the PMBT5550 remains a preferred choice, balancing performance, size, and affordability in modern electronic applications.

Application Scenarios & Design Considerations

NPN high-voltage transistor

Alternative Part Number

  • MMBT5550 --: Same 5550-series NPN transistor with equivalent voltage and current ratings, widely available in SOT-23 package.
  • 2N5550 --: Through-hole version of the same 5550 transistor family with comparable gain and voltage specifications.
  • FMMT5550 --: SOT-23 NPN transistor with similar 140V rating and low current capability, suitable drop-in replacement.
  • MMBT5550 --: Same 140V NPN small-signal transistor in SOT-23 with nearly identical electrical characteristics, widely available and pin-compatible.
  • FMMT5550 --: Direct SOT-23 NPN high-voltage transistor equivalent with comparable VCEO and current ratings, suitable drop-in replacement.
  • 2N5550 --: Through-hole TO-92 version of the same 140V NPN transistor; electrically equivalent and useful where SOT-23 is not required.

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