BSS138W-7-F N-Channel MOSFET Suppliers and Specifications

ElecSuppliers Part Number GuideAug 15, 2026

BSS138W-7-F is an N-channel MOSFET manufactured by Diodes Incorporated. It is designed for low-power switching applications and is available in a compact surface-mount package for space-constrained circuit designs.

The full part number is important when sourcing this component because different BSS138 variants can have different package options, manufacturers and electrical characteristics.

Electrical Characteristics

BSS138W-7-F has a drain-to-source voltage rating of 50 V and a continuous drain current rating of 200 mA. The device is intended for relatively low-current switching rather than high-power applications.

Its compact SOT-323 package makes it suitable for PCB designs where component size is an important consideration. The device also supports a gate-to-source voltage rating of ±20 V.

When selecting BSS138W-7-F, designers should consider drain current, drain-source voltage, on-resistance, gate drive conditions and power dissipation together rather than relying on a single specification.

Typical Applications

BSS138W-7-F can be used in low-power switching circuits, signal switching, load switching and interface circuits. It can also be found in compact consumer electronics, portable equipment and other electronic devices requiring a small N-channel MOSFET.

Its relatively low current capability makes it more appropriate for signal-level and low-power switching than for high-current power switching.

BSS138W-7-F Package

BSS138W-7-F uses an SOT-323 surface-mount package. The small footprint can help reduce PCB space requirements and is suitable for automated PCB assembly.

For production designs, engineers should verify the package dimensions, pin configuration and recommended PCB footprint before replacing the device with another BSS138 variant.

BSS138W-7-F Suppliers

Buyers searching for BSS138W-7-F should use the complete part number when requesting quotations or checking availability. Manufacturer, package, electrical specifications and ordering suffix should be verified before placing an order.

ElecSuppliers provides product and supplier information for electronic components, allowing buyers to find suppliers associated with specific part numbers and sourcing requirements.