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BSS138 N-Channel MOSFET Transistor
The BSS138 is a high-speed N-channel MOSFET designed for low-voltage applications, featuring a maximum drain-source voltage of 50V and a continuous drain current rating of 220mA. Ideal for switching and amplification in electronic circuits, this power MOSFET is a versatile component for various applications.

Overview
Overview
The BSS138 is a robust N-channel MOSFET transistor that excels in low-voltage switching applications. With its compact design and excellent performance characteristics, it is well-suited for both hobbyist and professional projects. The BSS138 is manufactured using advanced technology, enabling fast switching times and high efficiency. This power MOSFET can be utilized in a wide range of applications, including digital circuits, signal processing, and power management systems.
Key Specifications
- Type: N-Channel MOSFET
- Maximum Drain-Source Voltage (VDS): 50V
- Continuous Drain Current (ID): 220mA
- Gate Threshold Voltage (VGS(th)): 1.0V to 3.0V
- RDS(on): 3.5Ω at VGS = 10V
- Package Type: TO-92
- Operating Temperature Range: -55°C to +150°C
Applications
The BSS138 MOSFET is widely used in various applications due to its adaptability and efficiency. Key use cases include:
- Switching regulators and DC-DC converters
- Signal amplification in audio and RF applications
- Low-side switching in motor control circuits
- Level shifting in interfacing circuits
- General-purpose switching applications in consumer electronics
Its small footprint and excellent thermal performance make the BSS138 an ideal choice for compact designs. Whether you are developing a new project or upgrading an existing design, the BSS138 provides reliable performance as a power MOSFET, ensuring your circuits operate efficiently.