BSS138PS,115

The BSS138PS,115 is a N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) designed for low-voltage applications. It is part of Nexperia's extensive range of discrete semiconductors and is particularly noted for its compact size and efficient performance.

Key Features:

1. Type: N-channel MOSFET
2. Package: The BSS138PS,115 is typically housed in a SOT-23 package, which is a small, surface-mount package that allows for efficient use of PCB space.
3. Voltage Rating: The device has a maximum drain-source voltage (V_DS) of 50V, making it suitable for a variety of low to moderate voltage applications.
4. Current Rating: It can handle a continuous drain current (I_D) of up to 220 mA, which is adequate for many switching and amplification tasks.
5. R_DS(on): The on-resistance (R_DS(on)) is low, typically around 3.5 ohms at a gate-source voltage (V_GS) of 10V, which helps in minimizing power loss during operation.
6. Gate Threshold Voltage (V_GS(th)): The threshold voltage is in the range of 0.8V to 1.5V, allowing for efficient switching at lower gate voltages.
7. Switching Speed: The BSS138PS,115 features fast switching capabilities, making it suitable for high-speed applications.
8. Thermal Characteristics: It has a maximum junction temperature of 150°C, which provides a good thermal margin for various applications.

Applications:

The BSS138PS,115 is widely used in various applications, including:

• Switching Regulators: It can be used in DC-DC converters and other power management circuits.
• Signal Switching: Ideal for low-power signal switching in communication devices.
• Load Switching: Suitable for controlling loads in consumer electronics and automotive applications.
• Level Shifting: Often used in level shifting applications between different voltage domains.

Electrical Characteristics:

• Input Capacitance (C_iss): Typically around 60 pF, which contributes to its fast switching performance.
• Output Capacitance (C_oss): Approximately 20 pF, affecting the device's performance in high-frequency applications.
• Reverse Transfer Capacitance (C_rss): Generally around 10 pF.

Conclusion:

The BSS138PS,115 from Nexperia is a versatile and efficient N-channel MOSFET that is well-suited for a variety of low-voltage applications. Its compact size, low on-resistance, and fast switching capabilities make it a popular choice among engineers and designers looking for reliable performance in their electronic circuits.