N-Channel MOSFET, 50 V, 170 mA, 350 mW, SOT-23-3
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The BSS138, manufactured by FSC, is a discrete N-channel enhancement mode MOSFET fabricated in a small signal SOT-23-3 surface mount package. This device is designed for low voltage, low current switching applications. It features a drain-source voltage (Vds) rating of 50V, a continuous drain current (Id) of 170mA, and a total power dissipation (Pd) of 350mW. The BSS138 exhibits a low threshold voltage (Vgs(th)), typically around 1.5V, facilitating gate drive from low voltage logic. Its fast switching speed and low gate charge contribute to efficient operation in high-frequency circuits. The SOT-23-3 package provides a compact footprint suitable for space-constrained PCB designs.