The NXP PMST5551 is a high-performance, low-power NPN bipolar transistor that is a part of NXP's broad range of discrete semiconductors. This versatile transistor is designed to meet the stringent requirements of modern electronic applications, offering a reliable solution for switching and amplification purposes.

Key Features

• High Current Capability: The PMST5551 is capable of handling continuous collector currents up to 100 mA, making it suitable for driving moderate loads in electronic circuits.
• Low Voltage Operation: With a collector-emitter voltage (V<sub>CEO) of 140V, it can comfortably operate in circuits with higher operating voltages, providing the flexibility needed for various applications.
• High Transition Frequency: Featuring a high transition frequency (f<sub>T) of 100 MHz, the PMST5551 is optimal for applications requiring fast switching and frequency performance.
• Low Saturation Voltage: The low V<sub>CE(sat) ensures efficient operation with minimal power loss, which is critical for battery-powered devices.
• Compact SMD Package: The PMST5551 comes in a small SOT323 package, which is ideal for space-constrained applications and supports the trend towards miniaturization in electronics design.

Applications

The PMST5551 is suited for a wide range of applications, including but not limited to:

• General-purpose switching and amplification
• Audio amplifiers
• Signal processing
• Power management functions
• Driver stages in hi-fi amplifiers and television circuits

Quality and Reliability

NXP Semiconductors is known for its commitment to quality, and the PMST5551 is no exception. It is manufactured with the highest standards to ensure consistent performance and reliability across various conditions. Whether you're designing consumer electronics, industrial control systems, or automotive applications, the PMST5551 provides a compact and efficient solution for your NPN bipolar transistor needs.