BSS138 – FSC

Part Number:

BSS138

Manufacturer:

FSC

Date Code:

9827

RoHS:

MSL:

COO:

Description:

N-Channel MOSFET, 50V, 170mA, 350mW, SOT-23-3.

Datasheet:

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Stock Quantity: 1818

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Product Details:

Overview

The FSC BSS138 is a highly versatile N-channel, logic-level enhancement-mode MOSFET in a compact SOT-23 package, specifically engineered for low-voltage switching applications. Its primary strength lies in achieving a low on-state resistance (Rds(on)) of 3.5Ω at a gate-source voltage (Vgs) of 10V, enabling efficient current delivery up to 220mA. A critical design consideration for this device is managing its maximum power dissipation of 360mW; exceeding this limit, especially in applications with continuous switching or higher ambient temperatures, can lead to thermal runaway, necessitating careful heatsinking or duty cycle management in demanding scenarios.

Key Features

Drain-to-Source Voltage (Vds): 50V
Continuous Drain Current (Id): 220mA
On-State Resistance (Rds(on)): 3.5Ω @ Vgs=10V
Maximum Power Dissipation: 360mW
Operating Temperature Range: -55°C to +150°C
Package: SOT-23 (3 Pins)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

Low-power DC-DC converter switching stages
Driving small DC motors and solenoids
Logic-level signal switching and buffering
Implementing basic power sequencing for microcontrollers