ON Semiconductor MMBT3904LT1 NPN General Purpose Amplifier

The MMBT3904LT1 is a high-performance NPN bipolar junction transistor (BJT) from ON Semiconductor, designed for general-purpose amplifier applications. This versatile component is housed in a compact SOT-23 package, making it suitable for space-constrained designs. The MMBT3904LT1 is an ideal choice for a broad range of applications, from signal amplification to switching, due to its excellent amplification characteristics and low power consumption.

Key Features

• Device Type: NPN BJT
• Package: SOT-23 surface-mount package for efficient PCB space utilization
• Collector-Emitter Voltage (VCEO): 40V, providing a good range of operation for various circuit designs
• Collector Current (IC): 200 mA, allowing for ample current handling capability
• Power Dissipation (PD): 225 mW, ensuring reliable operation under typical ambient temperatures
• DC Current Gain (hFE): 100 to 300 at 10 mA, offering consistent gain across a range of operating conditions
• Transition Frequency (fT): 300 MHz, indicative of the device's capability to handle high-speed signals

Applications

The MMBT3904LT1 is commonly used in a variety of electronic circuits, including but not limited to:

• Signal amplification in audio, sensor, and communication systems
• Switching applications for digital and load-control circuits
• Linear amplification stages in analog signal processing
• Driver stages in high-fidelity amplifiers and oscillators

Reliability and Quality

ON Semiconductor is known for its commitment to quality and reliability, and the MMBT3904LT1 is no exception. The device is manufactured under stringent quality control standards, ensuring consistent performance and durability. The SOT-23 package is designed for optimal thermal performance and is RoHS compliant, making it suitable for environmentally sensitive applications.

In summary, the MMBT3904LT1 from ON Semiconductor is a highly reliable, versatile NPN transistor that offers excellent performance for a wide array of general-purpose amplification needs. Its small form factor, combined with its robust electrical characteristics, makes it a valuable component for designers seeking efficiency and reliability in their electronic designs.