ON Semiconductor BSS138K N-Channel MOSFET, 50V, SOT-23, Surface Mount

The ON Semiconductor BSS138K is a high-performance N-channel logic level enhancement mode Field Effect Transistor, engineered for efficient power management in modern electronic circuits. This MOSFET is designed to deliver reliable and consistent performance, featuring an optimal balance of electrical characteristics for a wide range of applications.

This transistor boasts low input capacitance and low-on resistance, ensuring efficient switching and minimal power loss. Its low gate threshold voltage enables direct interfacing with low-voltage logic circuits, while its fast switching speed makes it ideal for high-frequency applications. The device also offers low input and output leakage, contributing to overall system stability and energy efficiency.

With a drain-source voltage (Vds) of 50V and a continuous drain current (Id) of 220mA, the BSS138K is suitable for a variety of medium-power switching and amplification tasks. The drain-source on-state resistance is rated at a low 1.6Ω, with an Rds(on) test voltage of 5V, ensuring efficient conduction. The gate-source threshold voltage is a maximum of 600mV, making it fully compatible with 3.3V and 5V logic levels.

Encased in a compact SOT-23 package, this surface-mount transistor is ideal for space-constrained PCB designs. It dissipates a maximum power of 350mW and operates reliably in temperatures up to 150°C, ensuring robust performance in demanding environments. The BSS138K is also a green product, meeting modern environmental standards.

Specifications:

• Channel Type: N Channel
• Drain Source Voltage (Vds): 50V
• Continuous Drain Current (Id): 220mA
• Drain Source On State Resistance: 1.6Ω
• Transistor Case Style: SOT-23
• Transistor Mounting: Surface Mount
• Rds(on) Test Voltage: 5V
• **Gate Source Threshold