BSS138-7-F-79

Single FETs, MOSFETs Overview

The BSS138-7-F-79 is a single N-channel enhancement mode MOSFET manufactured by Diodes Incorporated. It features a surface-mount SOT-23-3 package with a maximum drain-source voltage of 50 V and a continuous drain current of 200 mA. The device exhibits a typical on-resistance of 3.5 Ohms and a gate threshold voltage of 500 mV. Power dissipation is rated at 300 mW, with an operating temperature range from -55°C to +150°C. Switching characteristics include a turn-on delay of 20 ns and a turn-off delay of 20 ns.

Single FETs, MOSFETs Feature Summary

• Low on-resistance for efficient power handling
• Fast switching speed suitable for high-frequency applications
• Low input capacitance reducing drive requirements
• Low gate threshold voltage enabling direct logic interface

Single FETs, MOSFETs Applications

• Level shifting between different logic families
• Small signal switching in consumer electronics
• Load switching in portable devices
• General purpose amplification circuits

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix '-79' against official Diodes Incorporated documentation to confirm it denotes the standard tape-and-reel packaging format consistent with other BSS138 variants. Ensure the component matches the SOT-23-3 physical footprint and electrical specifications listed in the datasheet before integration into production designs.

Single FETs, MOSFETs Selection Notes

Select this component when a compact N-channel MOSFET is required for low-voltage switching applications. The SOT-23-3 package offers space efficiency for dense PCB layouts. Consider the 50 V breakdown voltage and 200 mA current limit to ensure adequate headroom for the intended load conditions.

Single FETs, MOSFETs Part Context

This part belongs to the BSS138 series of small-signal MOSFETs from Diodes Incorporated. The series is widely utilized for its balance of performance and cost in general-purpose electronic designs. The manufacturer provides comprehensive technical data sheets detailing absolute maximum ratings and thermal characteristics for design verification.

Single FETs, MOSFETs Replacement Considerations

Compatible substitutes include BSS138-7-F and BSS138TA from Diodes Incorporated, which share identical electrical parameters and pin configurations. Verify that alternative packages match the SOT-23-3 form factor to ensure mechanical compatibility.