The ON Semiconductor LMMBT3904LT1G is a versatile NPN bipolar (BJT) transistor that is well-suited for a wide range of applications where a small-signal, general-purpose amplification or switching is required. This transistor is a fundamental building block in electronic circuits, and its robust design ensures reliable performance in various devices.

Key Features

• Transistor Type: NPN - This transistor is designed for electron flow from the emitter to collector, making it suitable for amplification and switching applications.
• Current Rating: The LMMBT3904LT1G can handle a continuous collector current (Ic) of up to 200 mA, providing sufficient current handling for low-power applications.
• Voltage Ratings: It has a collector-emitter voltage (Vceo) of 40V, ensuring it can handle moderate voltage levels in electronic circuits.
• Power Dissipation: With a power dissipation of 225mW, it can effectively dissipate the heat generated during operation, thereby maintaining stability and longevity.
• High Gain Bandwidth Product: This transistor offers a transition frequency (ft) of 300MHz, which is indicative of its ability to operate effectively at high-frequency applications.
• Package: The LMMBT3904LT1G comes in a compact SOT-23 surface-mount package, which is ideal for space-constrained applications and provides ease of integration into PCB designs.

Applications

The ON Semiconductor LMMBT3904LT1G is commonly used in a variety of electronic circuits, including but not limited to:

• Signal amplification in audio devices
• Switching operations in digital logic circuits
• Driver circuits for LEDs and other low-power devices
• Voltage regulation modules
• General-purpose amplification in consumer electronics

Quality and Reliability

ON Semiconductor is known for its commitment to quality and reliability, and the LMMBT3904LT1G is no exception. It is designed to meet the stringent requirements of the electronic industry, ensuring stable operation and a long service life in a range of environmental conditions.